| Message ID | 20191010203043.1241612-23-arnd@arndb.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ARM: samsung platform cleanup | expand |
On Thu, 10 Oct 2019 at 22:47, Arnd Bergmann <arnd@arndb.de> wrote: > > Rather than call the internal s3c_gpio_cfgall_range() function > through a platform header, move the code into the set_power > callback that is already exported by the board, and add > a default implementation. > > In DT mode, the code already does not set the pin config, > so nothing changes there. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> This looks good to me! Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Kind regards Uffe > --- > arch/arm/mach-s3c24xx/include/mach/pm-core.h | 1 + > arch/arm/mach-s3c24xx/mach-amlm5900.c | 15 +++++ > arch/arm/mach-s3c24xx/mach-at2440evb.c | 10 ++- > arch/arm/mach-s3c24xx/mach-gta02.c | 15 +++++ > arch/arm/mach-s3c24xx/mach-h1940.c | 8 +++ > arch/arm/mach-s3c24xx/mach-mini2440.c | 9 ++- > arch/arm/mach-s3c24xx/mach-n30.c | 9 +++ > arch/arm/mach-s3c24xx/mach-qt2410.c | 15 +++++ > arch/arm/mach-s3c24xx/mach-rx1950.c | 9 +++ > arch/arm/mach-s3c24xx/mach-tct_hammer.c | 15 +++++ > arch/arm/plat-samsung/devs.c | 29 ++++++++ > drivers/mmc/host/s3cmci.c | 69 +++++--------------- > include/linux/platform_data/mmc-s3cmci.h | 2 + > 13 files changed, 152 insertions(+), 54 deletions(-) > > diff --git a/arch/arm/mach-s3c24xx/include/mach/pm-core.h b/arch/arm/mach-s3c24xx/include/mach/pm-core.h > index 8f87606c4cdc..a22b4a37ee57 100644 > --- a/arch/arm/mach-s3c24xx/include/mach/pm-core.h > +++ b/arch/arm/mach-s3c24xx/include/mach/pm-core.h > @@ -12,6 +12,7 @@ > > #include "regs-clock.h" > #include "regs-irq.h" > +#include <mach/irqs.h> > > static inline void s3c_pm_debug_init_uart(void) > { > diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c > index 9a9daf526d0c..40ad23b52bc0 100644 > --- a/arch/arm/mach-s3c24xx/mach-amlm5900.c > +++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c > @@ -13,6 +13,7 @@ > #include <linux/list.h> > #include <linux/timer.h> > #include <linux/init.h> > +#include <linux/gpio/machine.h> > #include <linux/gpio.h> > #include <linux/device.h> > #include <linux/platform_device.h> > @@ -124,6 +125,19 @@ static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { > } > }; > > +static struct gpiod_lookup_table amlm5900_mmc_gpio_table = { > + .dev_id = "s3c2410-sdi", > + .table = { > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > + { }, > + }, > +}; > > static struct platform_device *amlm5900_devices[] __initdata = { > #ifdef CONFIG_FB_S3C2410 > @@ -219,6 +233,7 @@ static void __init amlm5900_init(void) > s3c24xx_fb_set_platdata(&amlm5900_fb_info); > #endif > s3c_i2c0_set_platdata(NULL); > + gpiod_add_lookup_table(&amlm5900_mmc_gpio_table); > platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); > } > > diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-s3c24xx/mach-at2440evb.c > index 58c5ef3cf1d7..3a793aaf2cba 100644 > --- a/arch/arm/mach-s3c24xx/mach-at2440evb.c > +++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c > @@ -136,7 +136,7 @@ static struct platform_device at2440evb_device_eth = { > }; > > static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = { > - /* Intentionally left blank */ > + .set_power = s3c24xx_mci_def_set_power, > }; > > static struct gpiod_lookup_table at2440evb_mci_gpio_table = { > @@ -144,10 +144,18 @@ static struct gpiod_lookup_table at2440evb_mci_gpio_table = { > .table = { > /* Card detect S3C2410_GPG(10) */ > GPIO_LOOKUP("GPG", 10, "cd", GPIO_ACTIVE_LOW), > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > { }, > }, > }; > > + > /* 7" LCD panel */ > > static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = { > diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c > index 1ca0460d82f4..61b8c6badeb8 100644 > --- a/arch/arm/mach-s3c24xx/mach-gta02.c > +++ b/arch/arm/mach-s3c24xx/mach-gta02.c > @@ -489,6 +489,20 @@ static struct platform_device gta02_audio = { > .id = -1, > }; > > +static struct gpiod_lookup_table gta02_mmc_gpio_table = { > + .dev_id = "s3c2410-sdi", > + .table = { > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > + { }, > + }, > +}; > + > static void __init gta02_map_io(void) > { > s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); > @@ -545,6 +559,7 @@ static void __init gta02_machine_init(void) > S3C_GPIO_PULL_NONE); > > gpiod_add_lookup_table(>a02_audio_gpio_table); > + gpiod_add_lookup_table(>a02_mmc_gpio_table); > platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); > pm_power_off = gta02_poweroff; > > diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c > index 11f705fb5e32..24f785da7659 100644 > --- a/arch/arm/mach-s3c24xx/mach-h1940.c > +++ b/arch/arm/mach-s3c24xx/mach-h1940.c > @@ -462,6 +462,7 @@ static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) > static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { > .set_power = h1940_set_mmc_power, > .ocr_avail = MMC_VDD_32_33, > + .set_power = s3c24xx_mci_def_set_power, > }; > > static struct gpiod_lookup_table h1940_mmc_gpio_table = { > @@ -471,6 +472,13 @@ static struct gpiod_lookup_table h1940_mmc_gpio_table = { > GPIO_LOOKUP("GPF", 5, "cd", GPIO_ACTIVE_LOW), > /* Write protect S3C2410_GPH(8) */ > GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_LOW), > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > { }, > }, > }; > diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c > index 894d43ff94f1..5c000efdf0e8 100644 > --- a/arch/arm/mach-s3c24xx/mach-mini2440.c > +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c > @@ -236,7 +236,7 @@ static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { > > static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { > .wprotect_invert = 1, > - .set_power = NULL, > + .set_power = s3c24xx_mci_def_set_power, > .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, > }; > > @@ -247,6 +247,13 @@ static struct gpiod_lookup_table mini2440_mmc_gpio_table = { > GPIO_LOOKUP("GPG", 8, "cd", GPIO_ACTIVE_LOW), > /* Write protect S3C2410_GPH(8) */ > GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_HIGH), > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > { }, > }, > }; > diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-s3c24xx/mach-n30.c > index 5f5ca4b7015c..8d7ad61e9930 100644 > --- a/arch/arm/mach-s3c24xx/mach-n30.c > +++ b/arch/arm/mach-s3c24xx/mach-n30.c > @@ -339,6 +339,8 @@ static struct s3c2410fb_mach_info n30_fb_info __initdata = { > > static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd) > { > + s3c24xx_mci_def_set_power(power_mode, vdd); > + > switch (power_mode) { > case MMC_POWER_ON: > case MMC_POWER_UP: > @@ -364,6 +366,13 @@ static struct gpiod_lookup_table n30_mci_gpio_table = { > /* Write protect S3C2410_GPG(10) */ > GPIO_LOOKUP("GPG", 10, "wp", GPIO_ACTIVE_LOW), > { }, > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > }, > }; > > diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c > index 6686f02a3f4f..9b47b8434f10 100644 > --- a/arch/arm/mach-s3c24xx/mach-qt2410.c > +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c > @@ -219,6 +219,20 @@ static struct gpiod_lookup_table qt2410_spi_gpiod_table = { > }, > }; > > +static struct gpiod_lookup_table qt2410_mmc_gpiod_table = { > + .dev_id = "s3c2410-sdi", > + .table = { > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > + { }, > + }, > +}; > + > /* Board devices */ > > static struct platform_device *qt2410_devices[] __initdata = { > @@ -342,6 +356,7 @@ static void __init qt2410_machine_init(void) > s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), > S3C_GPIO_PULL_NONE); > gpiod_add_lookup_table(&qt2410_spi_gpiod_table); > + gpiod_add_lookup_table(&qt2410_mmc_gpiod_table); > platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices)); > s3c_pm_init(); > } > diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c > index 4eeede398775..820e626f5129 100644 > --- a/arch/arm/mach-s3c24xx/mach-rx1950.c > +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c > @@ -545,6 +545,8 @@ static struct platform_device rx1950_backlight = { > > static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd) > { > + s3c24xx_mci_def_set_power(power_mode, vdd); > + > switch (power_mode) { > case MMC_POWER_OFF: > gpio_direction_output(S3C2410_GPJ(1), 0); > @@ -570,6 +572,13 @@ static struct gpiod_lookup_table rx1950_mmc_gpio_table = { > GPIO_LOOKUP("GPF", 5, "cd", GPIO_ACTIVE_LOW), > /* Write protect S3C2410_GPH(8) */ > GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_LOW), > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > { }, > }, > }; > diff --git a/arch/arm/mach-s3c24xx/mach-tct_hammer.c b/arch/arm/mach-s3c24xx/mach-tct_hammer.c > index 8d8ddd6ea305..d6dbbe6759bc 100644 > --- a/arch/arm/mach-s3c24xx/mach-tct_hammer.c > +++ b/arch/arm/mach-s3c24xx/mach-tct_hammer.c > @@ -7,6 +7,7 @@ > // derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by > // Ben Dooks <ben@simtec.co.uk> > > +#include <linux/gpio/machine.h> > #include <linux/kernel.h> > #include <linux/types.h> > #include <linux/interrupt.h> > @@ -103,6 +104,19 @@ static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = { > } > }; > > +static struct gpiod_lookup_table tct_hammer_mmc_gpio_table = { > + .dev_id = "s3c2410-sdi", > + .table = { > + /* bus pins */ > + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), > + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), > + { }, > + }, > +}; > > static struct platform_device *tct_hammer_devices[] __initdata = { > &s3c_device_adc, > @@ -131,6 +145,7 @@ static void __init tct_hammer_init_time(void) > static void __init tct_hammer_init(void) > { > s3c_i2c0_set_platdata(NULL); > + gpiod_add_lookup_table(&tct_hammer_mmc_gpio_table); > platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices)); > } > > diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c > index ddd90f0bb380..c0739bda060b 100644 > --- a/arch/arm/plat-samsung/devs.c > +++ b/arch/arm/plat-samsung/devs.c > @@ -5,6 +5,7 @@ > // > // Base SAMSUNG platform device definitions > > +#include <linux/gpio.h> > #include <linux/kernel.h> > #include <linux/types.h> > #include <linux/interrupt.h> > @@ -40,6 +41,8 @@ > #include <mach/dma.h> > #include <mach/irqs.h> > #include <mach/map.h> > +#include <mach/gpio-samsung.h> > +#include <plat/gpio-cfg.h> > #include <mach/regs-s3c2443-clock.h> > > #include <plat/cpu.h> > @@ -833,16 +836,42 @@ struct platform_device s3c_device_rtc = { > /* SDI */ > > #ifdef CONFIG_PLAT_S3C24XX > +void s3c24xx_mci_def_set_power(unsigned char power_mode, unsigned short vdd) > +{ > + switch (power_mode) { > + case MMC_POWER_ON: > + case MMC_POWER_UP: > + /* Configure GPE5...GPE10 pins in SD mode */ > + s3c_gpio_cfgall_range(S3C2410_GPE(5), 6, S3C_GPIO_SFN(2), > + S3C_GPIO_PULL_NONE); > + break; > + > + case MMC_POWER_OFF: > + default: > + gpio_direction_output(S3C2410_GPE(5), 0); > + break; > + } > +} > + > static struct resource s3c_sdi_resource[] = { > [0] = DEFINE_RES_MEM(S3C24XX_PA_SDI, S3C24XX_SZ_SDI), > [1] = DEFINE_RES_IRQ(IRQ_SDI), > }; > > +static struct s3c24xx_mci_pdata s3cmci_def_pdata = { > + /* This is currently here to avoid a number of if (host->pdata) > + * checks. Any zero fields to ensure reasonable defaults are picked. */ > + .no_wprotect = 1, > + .no_detect = 1, > + .set_power = s3c24xx_mci_def_set_power, > +}; > + > struct platform_device s3c_device_sdi = { > .name = "s3c2410-sdi", > .id = -1, > .num_resources = ARRAY_SIZE(s3c_sdi_resource), > .resource = s3c_sdi_resource, > + .dev.platform_data = &s3cmci_def_pdata, > }; > > void __init s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata) > diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c > index bce9c33bc4b5..c2b46640a78b 100644 > --- a/drivers/mmc/host/s3cmci.c > +++ b/drivers/mmc/host/s3cmci.c > @@ -25,9 +25,7 @@ > #include <linux/of_device.h> > #include <linux/mmc/slot-gpio.h> > > -#include <plat/gpio-cfg.h> > #include <mach/dma.h> > -#include <mach/gpio-samsung.h> > > #include <linux/platform_data/mmc-s3cmci.h> > > @@ -307,7 +305,8 @@ static inline void clear_imask(struct s3cmci_host *host) > static void s3cmci_check_sdio_irq(struct s3cmci_host *host) > { > if (host->sdio_irqen) { > - if (gpio_get_value(S3C2410_GPE(8)) == 0) { > + if (host->pdata->bus[3] && > + gpiod_get_value(host->pdata->bus[3]) == 0) { > pr_debug("%s: signalling irq\n", __func__); > mmc_signal_sdio_irq(host->mmc); > } > @@ -1213,33 +1212,20 @@ static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) > switch (ios->power_mode) { > case MMC_POWER_ON: > case MMC_POWER_UP: > - /* Configure GPE5...GPE10 pins in SD mode */ > - if (!host->pdev->dev.of_node) > - s3c_gpio_cfgall_range(S3C2410_GPE(5), 6, S3C_GPIO_SFN(2), > - S3C_GPIO_PULL_NONE); > - > - if (host->pdata->set_power) > - host->pdata->set_power(ios->power_mode, ios->vdd); > - > if (!host->is2440) > mci_con |= S3C2410_SDICON_FIFORESET; > - > break; > > case MMC_POWER_OFF: > default: > - if (!host->pdev->dev.of_node) > - gpio_direction_output(S3C2410_GPE(5), 0); > - > if (host->is2440) > mci_con |= S3C2440_SDICON_SDRESET; > - > - if (host->pdata->set_power) > - host->pdata->set_power(ios->power_mode, ios->vdd); > - > break; > } > > + if (host->pdata->set_power) > + host->pdata->set_power(ios->power_mode, ios->vdd); > + > s3cmci_set_clk(host, ios); > > /* Set CLOCK_ENABLE */ > @@ -1317,13 +1303,6 @@ static const struct mmc_host_ops s3cmci_ops = { > .enable_sdio_irq = s3cmci_enable_sdio_irq, > }; > > -static struct s3c24xx_mci_pdata s3cmci_def_pdata = { > - /* This is currently here to avoid a number of if (host->pdata) > - * checks. Any zero fields to ensure reasonable defaults are picked. */ > - .no_wprotect = 1, > - .no_detect = 1, > -}; > - > #ifdef CONFIG_ARM_S3C24XX_CPUFREQ > > static int s3cmci_cpufreq_transition(struct notifier_block *nb, > @@ -1477,24 +1456,21 @@ static int s3cmci_probe_pdata(struct s3cmci_host *host) > int i, ret; > > host->is2440 = platform_get_device_id(pdev)->driver_data; > + pdata = pdev->dev.platform_data; > + if (!pdata) { > + dev_err(&pdev->dev, "need platform data"); > + return -ENXIO; > + } > > - for (i = S3C2410_GPE(5); i <= S3C2410_GPE(10); i++) { > - ret = gpio_request(i, dev_name(&pdev->dev)); > - if (ret) { > + for (i = 0; i < 6; i++) { > + pdata->bus[i] = devm_gpiod_get_index(&pdev->dev, "bus", i, > + GPIOD_OUT_LOW); > + if (IS_ERR(pdata->bus[i])) { > dev_err(&pdev->dev, "failed to get gpio %d\n", i); > - > - for (i--; i >= S3C2410_GPE(5); i--) > - gpio_free(i); > - > - return ret; > + return PTR_ERR(pdata->bus[i]); > } > } > > - if (!pdev->dev.platform_data) > - pdev->dev.platform_data = &s3cmci_def_pdata; > - > - pdata = pdev->dev.platform_data; > - > if (pdata->no_wprotect) > mmc->caps2 |= MMC_CAP2_NO_WRITE_PROTECT; > > @@ -1549,7 +1525,6 @@ static int s3cmci_probe(struct platform_device *pdev) > struct s3cmci_host *host; > struct mmc_host *mmc; > int ret; > - int i; > > mmc = mmc_alloc_host(sizeof(struct s3cmci_host), &pdev->dev); > if (!mmc) { > @@ -1593,7 +1568,7 @@ static int s3cmci_probe(struct platform_device *pdev) > "failed to get io memory region resource.\n"); > > ret = -ENOENT; > - goto probe_free_gpio; > + goto probe_free_host; > } > > host->mem = request_mem_region(host->mem->start, > @@ -1602,7 +1577,7 @@ static int s3cmci_probe(struct platform_device *pdev) > if (!host->mem) { > dev_err(&pdev->dev, "failed to request io memory region.\n"); > ret = -ENOENT; > - goto probe_free_gpio; > + goto probe_free_host; > } > > host->base = ioremap(host->mem->start, resource_size(host->mem)); > @@ -1726,11 +1701,6 @@ static int s3cmci_probe(struct platform_device *pdev) > probe_free_mem_region: > release_mem_region(host->mem->start, resource_size(host->mem)); > > - probe_free_gpio: > - if (!pdev->dev.of_node) > - for (i = S3C2410_GPE(5); i <= S3C2410_GPE(10); i++) > - gpio_free(i); > - > probe_free_host: > mmc_free_host(mmc); > > @@ -1756,7 +1726,6 @@ static int s3cmci_remove(struct platform_device *pdev) > { > struct mmc_host *mmc = platform_get_drvdata(pdev); > struct s3cmci_host *host = mmc_priv(mmc); > - int i; > > s3cmci_shutdown(pdev); > > @@ -1769,10 +1738,6 @@ static int s3cmci_remove(struct platform_device *pdev) > > free_irq(host->irq, host); > > - if (!pdev->dev.of_node) > - for (i = S3C2410_GPE(5); i <= S3C2410_GPE(10); i++) > - gpio_free(i); > - > iounmap(host->base); > release_mem_region(host->mem->start, resource_size(host->mem)); > > diff --git a/include/linux/platform_data/mmc-s3cmci.h b/include/linux/platform_data/mmc-s3cmci.h > index 33310b11cbdd..bacb86db3112 100644 > --- a/include/linux/platform_data/mmc-s3cmci.h > +++ b/include/linux/platform_data/mmc-s3cmci.h > @@ -35,6 +35,7 @@ struct s3c24xx_mci_pdata { > unsigned long ocr_avail; > void (*set_power)(unsigned char power_mode, > unsigned short vdd); > + struct gpio_desc *bus[6]; > }; > > /** > @@ -44,6 +45,7 @@ struct s3c24xx_mci_pdata { > * Copy the platform data supplied by @pdata so that this can be marked > * __initdata. > */ > +extern void s3c24xx_mci_def_set_power(unsigned char power_mode, unsigned short vdd); > extern void s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata); > > #endif /* _ARCH_NCI_H */ > -- > 2.20.0 >
On Thu, Oct 10, 2019 at 10:47 PM Arnd Bergmann <arnd@arndb.de> wrote: > Rather than call the internal s3c_gpio_cfgall_range() function > through a platform header, move the code into the set_power > callback that is already exported by the board, and add > a default implementation. > > In DT mode, the code already does not set the pin config, > so nothing changes there. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> It looks good: Acked-by: Linus Walleij <linus.walleij@linaro.org> It would feel better if someone was actually testing it on these boards. I see Ben is listed as maintainer so I bet he will pull the board out :) Yours, Linus Walleij
diff --git a/arch/arm/mach-s3c24xx/include/mach/pm-core.h b/arch/arm/mach-s3c24xx/include/mach/pm-core.h index 8f87606c4cdc..a22b4a37ee57 100644 --- a/arch/arm/mach-s3c24xx/include/mach/pm-core.h +++ b/arch/arm/mach-s3c24xx/include/mach/pm-core.h @@ -12,6 +12,7 @@ #include "regs-clock.h" #include "regs-irq.h" +#include <mach/irqs.h> static inline void s3c_pm_debug_init_uart(void) { diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c index 9a9daf526d0c..40ad23b52bc0 100644 --- a/arch/arm/mach-s3c24xx/mach-amlm5900.c +++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c @@ -13,6 +13,7 @@ #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> +#include <linux/gpio/machine.h> #include <linux/gpio.h> #include <linux/device.h> #include <linux/platform_device.h> @@ -124,6 +125,19 @@ static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { } }; +static struct gpiod_lookup_table amlm5900_mmc_gpio_table = { + .dev_id = "s3c2410-sdi", + .table = { + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), + { }, + }, +}; static struct platform_device *amlm5900_devices[] __initdata = { #ifdef CONFIG_FB_S3C2410 @@ -219,6 +233,7 @@ static void __init amlm5900_init(void) s3c24xx_fb_set_platdata(&amlm5900_fb_info); #endif s3c_i2c0_set_platdata(NULL); + gpiod_add_lookup_table(&amlm5900_mmc_gpio_table); platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); } diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-s3c24xx/mach-at2440evb.c index 58c5ef3cf1d7..3a793aaf2cba 100644 --- a/arch/arm/mach-s3c24xx/mach-at2440evb.c +++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c @@ -136,7 +136,7 @@ static struct platform_device at2440evb_device_eth = { }; static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = { - /* Intentionally left blank */ + .set_power = s3c24xx_mci_def_set_power, }; static struct gpiod_lookup_table at2440evb_mci_gpio_table = { @@ -144,10 +144,18 @@ static struct gpiod_lookup_table at2440evb_mci_gpio_table = { .table = { /* Card detect S3C2410_GPG(10) */ GPIO_LOOKUP("GPG", 10, "cd", GPIO_ACTIVE_LOW), + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), { }, }, }; + /* 7" LCD panel */ static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = { diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c index 1ca0460d82f4..61b8c6badeb8 100644 --- a/arch/arm/mach-s3c24xx/mach-gta02.c +++ b/arch/arm/mach-s3c24xx/mach-gta02.c @@ -489,6 +489,20 @@ static struct platform_device gta02_audio = { .id = -1, }; +static struct gpiod_lookup_table gta02_mmc_gpio_table = { + .dev_id = "s3c2410-sdi", + .table = { + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), + { }, + }, +}; + static void __init gta02_map_io(void) { s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); @@ -545,6 +559,7 @@ static void __init gta02_machine_init(void) S3C_GPIO_PULL_NONE); gpiod_add_lookup_table(>a02_audio_gpio_table); + gpiod_add_lookup_table(>a02_mmc_gpio_table); platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); pm_power_off = gta02_poweroff; diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c index 11f705fb5e32..24f785da7659 100644 --- a/arch/arm/mach-s3c24xx/mach-h1940.c +++ b/arch/arm/mach-s3c24xx/mach-h1940.c @@ -462,6 +462,7 @@ static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { .set_power = h1940_set_mmc_power, .ocr_avail = MMC_VDD_32_33, + .set_power = s3c24xx_mci_def_set_power, }; static struct gpiod_lookup_table h1940_mmc_gpio_table = { @@ -471,6 +472,13 @@ static struct gpiod_lookup_table h1940_mmc_gpio_table = { GPIO_LOOKUP("GPF", 5, "cd", GPIO_ACTIVE_LOW), /* Write protect S3C2410_GPH(8) */ GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_LOW), + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), { }, }, }; diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c index 894d43ff94f1..5c000efdf0e8 100644 --- a/arch/arm/mach-s3c24xx/mach-mini2440.c +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c @@ -236,7 +236,7 @@ static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { .wprotect_invert = 1, - .set_power = NULL, + .set_power = s3c24xx_mci_def_set_power, .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, }; @@ -247,6 +247,13 @@ static struct gpiod_lookup_table mini2440_mmc_gpio_table = { GPIO_LOOKUP("GPG", 8, "cd", GPIO_ACTIVE_LOW), /* Write protect S3C2410_GPH(8) */ GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_HIGH), + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), { }, }, }; diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-s3c24xx/mach-n30.c index 5f5ca4b7015c..8d7ad61e9930 100644 --- a/arch/arm/mach-s3c24xx/mach-n30.c +++ b/arch/arm/mach-s3c24xx/mach-n30.c @@ -339,6 +339,8 @@ static struct s3c2410fb_mach_info n30_fb_info __initdata = { static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd) { + s3c24xx_mci_def_set_power(power_mode, vdd); + switch (power_mode) { case MMC_POWER_ON: case MMC_POWER_UP: @@ -364,6 +366,13 @@ static struct gpiod_lookup_table n30_mci_gpio_table = { /* Write protect S3C2410_GPG(10) */ GPIO_LOOKUP("GPG", 10, "wp", GPIO_ACTIVE_LOW), { }, + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), }, }; diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c index 6686f02a3f4f..9b47b8434f10 100644 --- a/arch/arm/mach-s3c24xx/mach-qt2410.c +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c @@ -219,6 +219,20 @@ static struct gpiod_lookup_table qt2410_spi_gpiod_table = { }, }; +static struct gpiod_lookup_table qt2410_mmc_gpiod_table = { + .dev_id = "s3c2410-sdi", + .table = { + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), + { }, + }, +}; + /* Board devices */ static struct platform_device *qt2410_devices[] __initdata = { @@ -342,6 +356,7 @@ static void __init qt2410_machine_init(void) s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), S3C_GPIO_PULL_NONE); gpiod_add_lookup_table(&qt2410_spi_gpiod_table); + gpiod_add_lookup_table(&qt2410_mmc_gpiod_table); platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices)); s3c_pm_init(); } diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c index 4eeede398775..820e626f5129 100644 --- a/arch/arm/mach-s3c24xx/mach-rx1950.c +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -545,6 +545,8 @@ static struct platform_device rx1950_backlight = { static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd) { + s3c24xx_mci_def_set_power(power_mode, vdd); + switch (power_mode) { case MMC_POWER_OFF: gpio_direction_output(S3C2410_GPJ(1), 0); @@ -570,6 +572,13 @@ static struct gpiod_lookup_table rx1950_mmc_gpio_table = { GPIO_LOOKUP("GPF", 5, "cd", GPIO_ACTIVE_LOW), /* Write protect S3C2410_GPH(8) */ GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_LOW), + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), { }, }, }; diff --git a/arch/arm/mach-s3c24xx/mach-tct_hammer.c b/arch/arm/mach-s3c24xx/mach-tct_hammer.c index 8d8ddd6ea305..d6dbbe6759bc 100644 --- a/arch/arm/mach-s3c24xx/mach-tct_hammer.c +++ b/arch/arm/mach-s3c24xx/mach-tct_hammer.c @@ -7,6 +7,7 @@ // derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by // Ben Dooks <ben@simtec.co.uk> +#include <linux/gpio/machine.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/interrupt.h> @@ -103,6 +104,19 @@ static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = { } }; +static struct gpiod_lookup_table tct_hammer_mmc_gpio_table = { + .dev_id = "s3c2410-sdi", + .table = { + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), + { }, + }, +}; static struct platform_device *tct_hammer_devices[] __initdata = { &s3c_device_adc, @@ -131,6 +145,7 @@ static void __init tct_hammer_init_time(void) static void __init tct_hammer_init(void) { s3c_i2c0_set_platdata(NULL); + gpiod_add_lookup_table(&tct_hammer_mmc_gpio_table); platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices)); } diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index ddd90f0bb380..c0739bda060b 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -5,6 +5,7 @@ // // Base SAMSUNG platform device definitions +#include <linux/gpio.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/interrupt.h> @@ -40,6 +41,8 @@ #include <mach/dma.h> #include <mach/irqs.h> #include <mach/map.h> +#include <mach/gpio-samsung.h> +#include <plat/gpio-cfg.h> #include <mach/regs-s3c2443-clock.h> #include <plat/cpu.h> @@ -833,16 +836,42 @@ struct platform_device s3c_device_rtc = { /* SDI */ #ifdef CONFIG_PLAT_S3C24XX +void s3c24xx_mci_def_set_power(unsigned char power_mode, unsigned short vdd) +{ + switch (power_mode) { + case MMC_POWER_ON: + case MMC_POWER_UP: + /* Configure GPE5...GPE10 pins in SD mode */ + s3c_gpio_cfgall_range(S3C2410_GPE(5), 6, S3C_GPIO_SFN(2), + S3C_GPIO_PULL_NONE); + break; + + case MMC_POWER_OFF: + default: + gpio_direction_output(S3C2410_GPE(5), 0); + break; + } +} + static struct resource s3c_sdi_resource[] = { [0] = DEFINE_RES_MEM(S3C24XX_PA_SDI, S3C24XX_SZ_SDI), [1] = DEFINE_RES_IRQ(IRQ_SDI), }; +static struct s3c24xx_mci_pdata s3cmci_def_pdata = { + /* This is currently here to avoid a number of if (host->pdata) + * checks. Any zero fields to ensure reasonable defaults are picked. */ + .no_wprotect = 1, + .no_detect = 1, + .set_power = s3c24xx_mci_def_set_power, +}; + struct platform_device s3c_device_sdi = { .name = "s3c2410-sdi", .id = -1, .num_resources = ARRAY_SIZE(s3c_sdi_resource), .resource = s3c_sdi_resource, + .dev.platform_data = &s3cmci_def_pdata, }; void __init s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata) diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index bce9c33bc4b5..c2b46640a78b 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -25,9 +25,7 @@ #include <linux/of_device.h> #include <linux/mmc/slot-gpio.h> -#include <plat/gpio-cfg.h> #include <mach/dma.h> -#include <mach/gpio-samsung.h> #include <linux/platform_data/mmc-s3cmci.h> @@ -307,7 +305,8 @@ static inline void clear_imask(struct s3cmci_host *host) static void s3cmci_check_sdio_irq(struct s3cmci_host *host) { if (host->sdio_irqen) { - if (gpio_get_value(S3C2410_GPE(8)) == 0) { + if (host->pdata->bus[3] && + gpiod_get_value(host->pdata->bus[3]) == 0) { pr_debug("%s: signalling irq\n", __func__); mmc_signal_sdio_irq(host->mmc); } @@ -1213,33 +1212,20 @@ static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) switch (ios->power_mode) { case MMC_POWER_ON: case MMC_POWER_UP: - /* Configure GPE5...GPE10 pins in SD mode */ - if (!host->pdev->dev.of_node) - s3c_gpio_cfgall_range(S3C2410_GPE(5), 6, S3C_GPIO_SFN(2), - S3C_GPIO_PULL_NONE); - - if (host->pdata->set_power) - host->pdata->set_power(ios->power_mode, ios->vdd); - if (!host->is2440) mci_con |= S3C2410_SDICON_FIFORESET; - break; case MMC_POWER_OFF: default: - if (!host->pdev->dev.of_node) - gpio_direction_output(S3C2410_GPE(5), 0); - if (host->is2440) mci_con |= S3C2440_SDICON_SDRESET; - - if (host->pdata->set_power) - host->pdata->set_power(ios->power_mode, ios->vdd); - break; } + if (host->pdata->set_power) + host->pdata->set_power(ios->power_mode, ios->vdd); + s3cmci_set_clk(host, ios); /* Set CLOCK_ENABLE */ @@ -1317,13 +1303,6 @@ static const struct mmc_host_ops s3cmci_ops = { .enable_sdio_irq = s3cmci_enable_sdio_irq, }; -static struct s3c24xx_mci_pdata s3cmci_def_pdata = { - /* This is currently here to avoid a number of if (host->pdata) - * checks. Any zero fields to ensure reasonable defaults are picked. */ - .no_wprotect = 1, - .no_detect = 1, -}; - #ifdef CONFIG_ARM_S3C24XX_CPUFREQ static int s3cmci_cpufreq_transition(struct notifier_block *nb, @@ -1477,24 +1456,21 @@ static int s3cmci_probe_pdata(struct s3cmci_host *host) int i, ret; host->is2440 = platform_get_device_id(pdev)->driver_data; + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "need platform data"); + return -ENXIO; + } - for (i = S3C2410_GPE(5); i <= S3C2410_GPE(10); i++) { - ret = gpio_request(i, dev_name(&pdev->dev)); - if (ret) { + for (i = 0; i < 6; i++) { + pdata->bus[i] = devm_gpiod_get_index(&pdev->dev, "bus", i, + GPIOD_OUT_LOW); + if (IS_ERR(pdata->bus[i])) { dev_err(&pdev->dev, "failed to get gpio %d\n", i); - - for (i--; i >= S3C2410_GPE(5); i--) - gpio_free(i); - - return ret; + return PTR_ERR(pdata->bus[i]); } } - if (!pdev->dev.platform_data) - pdev->dev.platform_data = &s3cmci_def_pdata; - - pdata = pdev->dev.platform_data; - if (pdata->no_wprotect) mmc->caps2 |= MMC_CAP2_NO_WRITE_PROTECT; @@ -1549,7 +1525,6 @@ static int s3cmci_probe(struct platform_device *pdev) struct s3cmci_host *host; struct mmc_host *mmc; int ret; - int i; mmc = mmc_alloc_host(sizeof(struct s3cmci_host), &pdev->dev); if (!mmc) { @@ -1593,7 +1568,7 @@ static int s3cmci_probe(struct platform_device *pdev) "failed to get io memory region resource.\n"); ret = -ENOENT; - goto probe_free_gpio; + goto probe_free_host; } host->mem = request_mem_region(host->mem->start, @@ -1602,7 +1577,7 @@ static int s3cmci_probe(struct platform_device *pdev) if (!host->mem) { dev_err(&pdev->dev, "failed to request io memory region.\n"); ret = -ENOENT; - goto probe_free_gpio; + goto probe_free_host; } host->base = ioremap(host->mem->start, resource_size(host->mem)); @@ -1726,11 +1701,6 @@ static int s3cmci_probe(struct platform_device *pdev) probe_free_mem_region: release_mem_region(host->mem->start, resource_size(host->mem)); - probe_free_gpio: - if (!pdev->dev.of_node) - for (i = S3C2410_GPE(5); i <= S3C2410_GPE(10); i++) - gpio_free(i); - probe_free_host: mmc_free_host(mmc); @@ -1756,7 +1726,6 @@ static int s3cmci_remove(struct platform_device *pdev) { struct mmc_host *mmc = platform_get_drvdata(pdev); struct s3cmci_host *host = mmc_priv(mmc); - int i; s3cmci_shutdown(pdev); @@ -1769,10 +1738,6 @@ static int s3cmci_remove(struct platform_device *pdev) free_irq(host->irq, host); - if (!pdev->dev.of_node) - for (i = S3C2410_GPE(5); i <= S3C2410_GPE(10); i++) - gpio_free(i); - iounmap(host->base); release_mem_region(host->mem->start, resource_size(host->mem)); diff --git a/include/linux/platform_data/mmc-s3cmci.h b/include/linux/platform_data/mmc-s3cmci.h index 33310b11cbdd..bacb86db3112 100644 --- a/include/linux/platform_data/mmc-s3cmci.h +++ b/include/linux/platform_data/mmc-s3cmci.h @@ -35,6 +35,7 @@ struct s3c24xx_mci_pdata { unsigned long ocr_avail; void (*set_power)(unsigned char power_mode, unsigned short vdd); + struct gpio_desc *bus[6]; }; /** @@ -44,6 +45,7 @@ struct s3c24xx_mci_pdata { * Copy the platform data supplied by @pdata so that this can be marked * __initdata. */ +extern void s3c24xx_mci_def_set_power(unsigned char power_mode, unsigned short vdd); extern void s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata); #endif /* _ARCH_NCI_H */
Rather than call the internal s3c_gpio_cfgall_range() function through a platform header, move the code into the set_power callback that is already exported by the board, and add a default implementation. In DT mode, the code already does not set the pin config, so nothing changes there. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/mach-s3c24xx/include/mach/pm-core.h | 1 + arch/arm/mach-s3c24xx/mach-amlm5900.c | 15 +++++ arch/arm/mach-s3c24xx/mach-at2440evb.c | 10 ++- arch/arm/mach-s3c24xx/mach-gta02.c | 15 +++++ arch/arm/mach-s3c24xx/mach-h1940.c | 8 +++ arch/arm/mach-s3c24xx/mach-mini2440.c | 9 ++- arch/arm/mach-s3c24xx/mach-n30.c | 9 +++ arch/arm/mach-s3c24xx/mach-qt2410.c | 15 +++++ arch/arm/mach-s3c24xx/mach-rx1950.c | 9 +++ arch/arm/mach-s3c24xx/mach-tct_hammer.c | 15 +++++ arch/arm/plat-samsung/devs.c | 29 ++++++++ drivers/mmc/host/s3cmci.c | 69 +++++--------------- include/linux/platform_data/mmc-s3cmci.h | 2 + 13 files changed, 152 insertions(+), 54 deletions(-)