| Message ID | 20210120142542.4100741-3-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: rc: remove obsolete drivers | expand |
Hi Arnd, On Wed, Jan 20, 2021 at 03:25:42PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@arndb.de> > > The zte zx platform is getting removed, so this driver is no > longer needed. I think the keymap should go too. drivers/media/rc/keymaps/rc-zx-irdec.c Any references to RC_MAP_ZX_IRDEC or rc-zx-irdec Thanks Sean > > Cc: Jun Nie <jun.nie@linaro.org> > Cc: Shawn Guo <shawnguo@kernel.org> > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > .../devicetree/bindings/media/zx-irdec.txt | 14 -- > drivers/media/rc/Kconfig | 11 -- > drivers/media/rc/Makefile | 1 - > drivers/media/rc/zx-irdec.c | 181 ------------------ > 4 files changed, 207 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/media/zx-irdec.txt > delete mode 100644 drivers/media/rc/zx-irdec.c > > diff --git a/Documentation/devicetree/bindings/media/zx-irdec.txt b/Documentation/devicetree/bindings/media/zx-irdec.txt > deleted file mode 100644 > index 295b9fab593e..000000000000 > --- a/Documentation/devicetree/bindings/media/zx-irdec.txt > +++ /dev/null > @@ -1,14 +0,0 @@ > -IR Decoder (IRDEC) on ZTE ZX family SoCs > - > -Required properties: > - - compatible: Should be "zte,zx296718-irdec". > - - reg: Physical base address and length of IRDEC registers. > - - interrupts: Interrupt number of IRDEC. > - > -Exmaples: > - > - irdec: ir-decoder@111000 { > - compatible = "zte,zx296718-irdec"; > - reg = <0x111000 0x1000>; > - interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>; > - }; > diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig > index 39bc75cc1848..afeef7d99a5a 100644 > --- a/drivers/media/rc/Kconfig > +++ b/drivers/media/rc/Kconfig > @@ -509,17 +509,6 @@ config RC_XBOX_DVD > To compile this driver as a module, choose M here: the module will be > called xbox_remote. > > -config IR_ZX > - tristate "ZTE ZX IR remote control" > - depends on RC_CORE > - depends on ARCH_ZX || COMPILE_TEST > - help > - Say Y if you want to use the IR remote control available > - on ZTE ZX family SoCs. > - > - To compile this driver as a module, choose M here: the > - module will be called zx-irdec. > - > config IR_TOY > tristate "Infrared Toy and IR Droid" > depends on RC_CORE > diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile > index f46a72071a7b..23eb7d43d2ff 100644 > --- a/drivers/media/rc/Makefile > +++ b/drivers/media/rc/Makefile > @@ -47,6 +47,5 @@ obj-$(CONFIG_IR_IMG) += img-ir/ > obj-$(CONFIG_IR_SERIAL) += serial_ir.o > obj-$(CONFIG_IR_SIR) += sir_ir.o > obj-$(CONFIG_IR_MTK) += mtk-cir.o > -obj-$(CONFIG_IR_ZX) += zx-irdec.o > obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o > obj-$(CONFIG_IR_TOY) += ir_toy.o > diff --git a/drivers/media/rc/zx-irdec.c b/drivers/media/rc/zx-irdec.c > deleted file mode 100644 > index 948ad90ae5d8..000000000000 > --- a/drivers/media/rc/zx-irdec.c > +++ /dev/null > @@ -1,181 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* > - * Copyright (C) 2017 Sanechips Technology Co., Ltd. > - * Copyright 2017 Linaro Ltd. > - */ > - > -#include <linux/device.h> > -#include <linux/err.h> > -#include <linux/interrupt.h> > -#include <linux/io.h> > -#include <linux/module.h> > -#include <linux/of_platform.h> > -#include <linux/platform_device.h> > - > -#include <media/rc-core.h> > - > -#define DRIVER_NAME "zx-irdec" > - > -#define ZX_IR_ENABLE 0x04 > -#define ZX_IREN BIT(0) > -#define ZX_IR_CTRL 0x08 > -#define ZX_DEGL_MASK GENMASK(21, 20) > -#define ZX_DEGL_VALUE(x) (((x) << 20) & ZX_DEGL_MASK) > -#define ZX_WDBEGIN_MASK GENMASK(18, 8) > -#define ZX_WDBEGIN_VALUE(x) (((x) << 8) & ZX_WDBEGIN_MASK) > -#define ZX_IR_INTEN 0x10 > -#define ZX_IR_INTSTCLR 0x14 > -#define ZX_IR_CODE 0x30 > -#define ZX_IR_CNUM 0x34 > -#define ZX_NECRPT BIT(16) > - > -struct zx_irdec { > - void __iomem *base; > - struct rc_dev *rcd; > -}; > - > -static void zx_irdec_set_mask(struct zx_irdec *irdec, unsigned int reg, > - u32 mask, u32 value) > -{ > - u32 data; > - > - data = readl(irdec->base + reg); > - data &= ~mask; > - data |= value & mask; > - writel(data, irdec->base + reg); > -} > - > -static irqreturn_t zx_irdec_irq(int irq, void *dev_id) > -{ > - struct zx_irdec *irdec = dev_id; > - u8 address, not_address; > - u8 command, not_command; > - u32 rawcode, scancode; > - enum rc_proto rc_proto; > - > - /* Clear interrupt */ > - writel(1, irdec->base + ZX_IR_INTSTCLR); > - > - /* Check repeat frame */ > - if (readl(irdec->base + ZX_IR_CNUM) & ZX_NECRPT) { > - rc_repeat(irdec->rcd); > - goto done; > - } > - > - rawcode = readl(irdec->base + ZX_IR_CODE); > - not_command = (rawcode >> 24) & 0xff; > - command = (rawcode >> 16) & 0xff; > - not_address = (rawcode >> 8) & 0xff; > - address = rawcode & 0xff; > - > - scancode = ir_nec_bytes_to_scancode(address, not_address, > - command, not_command, > - &rc_proto); > - rc_keydown(irdec->rcd, rc_proto, scancode, 0); > - > -done: > - return IRQ_HANDLED; > -} > - > -static int zx_irdec_probe(struct platform_device *pdev) > -{ > - struct device *dev = &pdev->dev; > - struct zx_irdec *irdec; > - struct resource *res; > - struct rc_dev *rcd; > - int irq; > - int ret; > - > - irdec = devm_kzalloc(dev, sizeof(*irdec), GFP_KERNEL); > - if (!irdec) > - return -ENOMEM; > - > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - irdec->base = devm_ioremap_resource(dev, res); > - if (IS_ERR(irdec->base)) > - return PTR_ERR(irdec->base); > - > - irq = platform_get_irq(pdev, 0); > - if (irq < 0) > - return irq; > - > - rcd = devm_rc_allocate_device(dev, RC_DRIVER_SCANCODE); > - if (!rcd) { > - dev_err(dev, "failed to allocate rc device\n"); > - return -ENOMEM; > - } > - > - irdec->rcd = rcd; > - > - rcd->priv = irdec; > - rcd->input_phys = DRIVER_NAME "/input0"; > - rcd->input_id.bustype = BUS_HOST; > - rcd->map_name = RC_MAP_ZX_IRDEC; > - rcd->allowed_protocols = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX | > - RC_PROTO_BIT_NEC32; > - rcd->driver_name = DRIVER_NAME; > - rcd->device_name = DRIVER_NAME; > - > - platform_set_drvdata(pdev, irdec); > - > - ret = devm_rc_register_device(dev, rcd); > - if (ret) { > - dev_err(dev, "failed to register rc device\n"); > - return ret; > - } > - > - ret = devm_request_irq(dev, irq, zx_irdec_irq, 0, NULL, irdec); > - if (ret) { > - dev_err(dev, "failed to request irq\n"); > - return ret; > - } > - > - /* > - * Initialize deglitch level and watchdog counter beginner as > - * recommended by vendor BSP code. > - */ > - zx_irdec_set_mask(irdec, ZX_IR_CTRL, ZX_DEGL_MASK, ZX_DEGL_VALUE(0)); > - zx_irdec_set_mask(irdec, ZX_IR_CTRL, ZX_WDBEGIN_MASK, > - ZX_WDBEGIN_VALUE(0x21c)); > - > - /* Enable interrupt */ > - writel(1, irdec->base + ZX_IR_INTEN); > - > - /* Enable the decoder */ > - zx_irdec_set_mask(irdec, ZX_IR_ENABLE, ZX_IREN, ZX_IREN); > - > - return 0; > -} > - > -static int zx_irdec_remove(struct platform_device *pdev) > -{ > - struct zx_irdec *irdec = platform_get_drvdata(pdev); > - > - /* Disable the decoder */ > - zx_irdec_set_mask(irdec, ZX_IR_ENABLE, ZX_IREN, 0); > - > - /* Disable interrupt */ > - writel(0, irdec->base + ZX_IR_INTEN); > - > - return 0; > -} > - > -static const struct of_device_id zx_irdec_match[] = { > - { .compatible = "zte,zx296718-irdec" }, > - { }, > -}; > -MODULE_DEVICE_TABLE(of, zx_irdec_match); > - > -static struct platform_driver zx_irdec_driver = { > - .probe = zx_irdec_probe, > - .remove = zx_irdec_remove, > - .driver = { > - .name = DRIVER_NAME, > - .of_match_table = zx_irdec_match, > - }, > -}; > -module_platform_driver(zx_irdec_driver); > - > -MODULE_DESCRIPTION("ZTE ZX IR remote control driver"); > -MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>"); > -MODULE_LICENSE("GPL v2"); > -- > 2.29.2
Hi Arnd, On Mon, Mar 01, 2021 at 10:25:22AM +0000, Sean Young wrote: > On Wed, Jan 20, 2021 at 03:25:42PM +0100, Arnd Bergmann wrote: > > From: Arnd Bergmann <arnd@arndb.de> > > > > The zte zx platform is getting removed, so this driver is no > > longer needed. > > I think the keymap should go too. > > drivers/media/rc/keymaps/rc-zx-irdec.c > > Any references to RC_MAP_ZX_IRDEC or rc-zx-irdec Come to think of it, removing the keymap doesn't make a whole lot of sense. There might still be users for the remote. Sean
diff --git a/Documentation/devicetree/bindings/media/zx-irdec.txt b/Documentation/devicetree/bindings/media/zx-irdec.txt deleted file mode 100644 index 295b9fab593e..000000000000 --- a/Documentation/devicetree/bindings/media/zx-irdec.txt +++ /dev/null @@ -1,14 +0,0 @@ -IR Decoder (IRDEC) on ZTE ZX family SoCs - -Required properties: - - compatible: Should be "zte,zx296718-irdec". - - reg: Physical base address and length of IRDEC registers. - - interrupts: Interrupt number of IRDEC. - -Exmaples: - - irdec: ir-decoder@111000 { - compatible = "zte,zx296718-irdec"; - reg = <0x111000 0x1000>; - interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>; - }; diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 39bc75cc1848..afeef7d99a5a 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -509,17 +509,6 @@ config RC_XBOX_DVD To compile this driver as a module, choose M here: the module will be called xbox_remote. -config IR_ZX - tristate "ZTE ZX IR remote control" - depends on RC_CORE - depends on ARCH_ZX || COMPILE_TEST - help - Say Y if you want to use the IR remote control available - on ZTE ZX family SoCs. - - To compile this driver as a module, choose M here: the - module will be called zx-irdec. - config IR_TOY tristate "Infrared Toy and IR Droid" depends on RC_CORE diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile index f46a72071a7b..23eb7d43d2ff 100644 --- a/drivers/media/rc/Makefile +++ b/drivers/media/rc/Makefile @@ -47,6 +47,5 @@ obj-$(CONFIG_IR_IMG) += img-ir/ obj-$(CONFIG_IR_SERIAL) += serial_ir.o obj-$(CONFIG_IR_SIR) += sir_ir.o obj-$(CONFIG_IR_MTK) += mtk-cir.o -obj-$(CONFIG_IR_ZX) += zx-irdec.o obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o obj-$(CONFIG_IR_TOY) += ir_toy.o diff --git a/drivers/media/rc/zx-irdec.c b/drivers/media/rc/zx-irdec.c deleted file mode 100644 index 948ad90ae5d8..000000000000 --- a/drivers/media/rc/zx-irdec.c +++ /dev/null @@ -1,181 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2017 Sanechips Technology Co., Ltd. - * Copyright 2017 Linaro Ltd. - */ - -#include <linux/device.h> -#include <linux/err.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/of_platform.h> -#include <linux/platform_device.h> - -#include <media/rc-core.h> - -#define DRIVER_NAME "zx-irdec" - -#define ZX_IR_ENABLE 0x04 -#define ZX_IREN BIT(0) -#define ZX_IR_CTRL 0x08 -#define ZX_DEGL_MASK GENMASK(21, 20) -#define ZX_DEGL_VALUE(x) (((x) << 20) & ZX_DEGL_MASK) -#define ZX_WDBEGIN_MASK GENMASK(18, 8) -#define ZX_WDBEGIN_VALUE(x) (((x) << 8) & ZX_WDBEGIN_MASK) -#define ZX_IR_INTEN 0x10 -#define ZX_IR_INTSTCLR 0x14 -#define ZX_IR_CODE 0x30 -#define ZX_IR_CNUM 0x34 -#define ZX_NECRPT BIT(16) - -struct zx_irdec { - void __iomem *base; - struct rc_dev *rcd; -}; - -static void zx_irdec_set_mask(struct zx_irdec *irdec, unsigned int reg, - u32 mask, u32 value) -{ - u32 data; - - data = readl(irdec->base + reg); - data &= ~mask; - data |= value & mask; - writel(data, irdec->base + reg); -} - -static irqreturn_t zx_irdec_irq(int irq, void *dev_id) -{ - struct zx_irdec *irdec = dev_id; - u8 address, not_address; - u8 command, not_command; - u32 rawcode, scancode; - enum rc_proto rc_proto; - - /* Clear interrupt */ - writel(1, irdec->base + ZX_IR_INTSTCLR); - - /* Check repeat frame */ - if (readl(irdec->base + ZX_IR_CNUM) & ZX_NECRPT) { - rc_repeat(irdec->rcd); - goto done; - } - - rawcode = readl(irdec->base + ZX_IR_CODE); - not_command = (rawcode >> 24) & 0xff; - command = (rawcode >> 16) & 0xff; - not_address = (rawcode >> 8) & 0xff; - address = rawcode & 0xff; - - scancode = ir_nec_bytes_to_scancode(address, not_address, - command, not_command, - &rc_proto); - rc_keydown(irdec->rcd, rc_proto, scancode, 0); - -done: - return IRQ_HANDLED; -} - -static int zx_irdec_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct zx_irdec *irdec; - struct resource *res; - struct rc_dev *rcd; - int irq; - int ret; - - irdec = devm_kzalloc(dev, sizeof(*irdec), GFP_KERNEL); - if (!irdec) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irdec->base = devm_ioremap_resource(dev, res); - if (IS_ERR(irdec->base)) - return PTR_ERR(irdec->base); - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - rcd = devm_rc_allocate_device(dev, RC_DRIVER_SCANCODE); - if (!rcd) { - dev_err(dev, "failed to allocate rc device\n"); - return -ENOMEM; - } - - irdec->rcd = rcd; - - rcd->priv = irdec; - rcd->input_phys = DRIVER_NAME "/input0"; - rcd->input_id.bustype = BUS_HOST; - rcd->map_name = RC_MAP_ZX_IRDEC; - rcd->allowed_protocols = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX | - RC_PROTO_BIT_NEC32; - rcd->driver_name = DRIVER_NAME; - rcd->device_name = DRIVER_NAME; - - platform_set_drvdata(pdev, irdec); - - ret = devm_rc_register_device(dev, rcd); - if (ret) { - dev_err(dev, "failed to register rc device\n"); - return ret; - } - - ret = devm_request_irq(dev, irq, zx_irdec_irq, 0, NULL, irdec); - if (ret) { - dev_err(dev, "failed to request irq\n"); - return ret; - } - - /* - * Initialize deglitch level and watchdog counter beginner as - * recommended by vendor BSP code. - */ - zx_irdec_set_mask(irdec, ZX_IR_CTRL, ZX_DEGL_MASK, ZX_DEGL_VALUE(0)); - zx_irdec_set_mask(irdec, ZX_IR_CTRL, ZX_WDBEGIN_MASK, - ZX_WDBEGIN_VALUE(0x21c)); - - /* Enable interrupt */ - writel(1, irdec->base + ZX_IR_INTEN); - - /* Enable the decoder */ - zx_irdec_set_mask(irdec, ZX_IR_ENABLE, ZX_IREN, ZX_IREN); - - return 0; -} - -static int zx_irdec_remove(struct platform_device *pdev) -{ - struct zx_irdec *irdec = platform_get_drvdata(pdev); - - /* Disable the decoder */ - zx_irdec_set_mask(irdec, ZX_IR_ENABLE, ZX_IREN, 0); - - /* Disable interrupt */ - writel(0, irdec->base + ZX_IR_INTEN); - - return 0; -} - -static const struct of_device_id zx_irdec_match[] = { - { .compatible = "zte,zx296718-irdec" }, - { }, -}; -MODULE_DEVICE_TABLE(of, zx_irdec_match); - -static struct platform_driver zx_irdec_driver = { - .probe = zx_irdec_probe, - .remove = zx_irdec_remove, - .driver = { - .name = DRIVER_NAME, - .of_match_table = zx_irdec_match, - }, -}; -module_platform_driver(zx_irdec_driver); - -MODULE_DESCRIPTION("ZTE ZX IR remote control driver"); -MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>"); -MODULE_LICENSE("GPL v2");