| Message ID | 20201113023355.43406-1-greentime.hu@sifive.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3] gpio: sifive: To get gpio irq offset from device tree data | expand |
On Fri, Nov 13, 2020 at 3:34 AM Greentime Hu <greentime.hu@sifive.com> wrote: > > We can get hwirq number of the gpio by its irq_data->hwirq so that we don't > need to add more macros for different platforms. This patch is tested in > SiFive Unleashed board and SiFive Unmatched board. > > Signed-off-by: Greentime Hu <greentime.hu@sifive.com> > --- Please list the changes between versions of patches. What has changed since v2? Bartosz
Bartosz Golaszewski <bgolaszewski@baylibre.com> 於 2020年11月13日 週五 下午5:00寫道： > > On Fri, Nov 13, 2020 at 3:34 AM Greentime Hu <greentime.hu@sifive.com> wrote: > > > > We can get hwirq number of the gpio by its irq_data->hwirq so that we don't > > need to add more macros for different platforms. This patch is tested in > > SiFive Unleashed board and SiFive Unmatched board. > > > > Signed-off-by: Greentime Hu <greentime.hu@sifive.com> > > --- > > Please list the changes between versions of patches. What has changed since v2? changes in v3: Add 2 newlines changes in v2: Use irqd_to_hwirq() instead of d->hwirq and platform_get_irq() instead of irq_of_parse_and_map()
On Fri, Nov 13, 2020 at 3:34 AM Greentime Hu <greentime.hu@sifive.com> wrote: > > We can get hwirq number of the gpio by its irq_data->hwirq so that we don't > need to add more macros for different platforms. This patch is tested in > SiFive Unleashed board and SiFive Unmatched board. > > Signed-off-by: Greentime Hu <greentime.hu@sifive.com> > --- > drivers/gpio/gpio-sifive.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c > index c54dd08f2cbf..630bddec48e5 100644 > --- a/drivers/gpio/gpio-sifive.c > +++ b/drivers/gpio/gpio-sifive.c > @@ -29,7 +29,6 @@ > #define SIFIVE_GPIO_OUTPUT_XOR 0x40 > > #define SIFIVE_GPIO_MAX 32 > -#define SIFIVE_GPIO_IRQ_OFFSET 7 > > struct sifive_gpio { > void __iomem *base; > @@ -37,7 +36,7 @@ struct sifive_gpio { > struct regmap *regs; > unsigned long irq_state; > unsigned int trigger[SIFIVE_GPIO_MAX]; > - unsigned int irq_parent[SIFIVE_GPIO_MAX]; > + unsigned int irq_number[SIFIVE_GPIO_MAX]; > }; > > static void sifive_gpio_set_ie(struct sifive_gpio *chip, unsigned int offset) > @@ -144,8 +143,12 @@ static int sifive_gpio_child_to_parent_hwirq(struct gpio_chip *gc, > unsigned int *parent, > unsigned int *parent_type) > { > + struct sifive_gpio *chip = gpiochip_get_data(gc); > + struct irq_data *d = irq_get_irq_data(chip->irq_number[child]); > + > *parent_type = IRQ_TYPE_NONE; > - *parent = child + SIFIVE_GPIO_IRQ_OFFSET; > + *parent = irqd_to_hwirq(d); > + > return 0; > } > > @@ -165,7 +168,7 @@ static int sifive_gpio_probe(struct platform_device *pdev) > struct irq_domain *parent; > struct gpio_irq_chip *girq; > struct sifive_gpio *chip; > - int ret, ngpio; > + int ret, ngpio, i; > > chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); > if (!chip) > @@ -200,6 +203,9 @@ static int sifive_gpio_probe(struct platform_device *pdev) > return -ENODEV; > } > > + for (i = 0; i < ngpio; i++) > + chip->irq_number[i] = platform_get_irq(pdev, i); > + > ret = bgpio_init(&chip->gc, dev, 4, > chip->base + SIFIVE_GPIO_INPUT_VAL, > chip->base + SIFIVE_GPIO_OUTPUT_VAL, > -- > 2.29.2 > Applied, thanks! Bart
diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c index c54dd08f2cbf..630bddec48e5 100644 --- a/drivers/gpio/gpio-sifive.c +++ b/drivers/gpio/gpio-sifive.c @@ -29,7 +29,6 @@ #define SIFIVE_GPIO_OUTPUT_XOR 0x40 #define SIFIVE_GPIO_MAX 32 -#define SIFIVE_GPIO_IRQ_OFFSET 7 struct sifive_gpio { void __iomem *base; @@ -37,7 +36,7 @@ struct sifive_gpio { struct regmap *regs; unsigned long irq_state; unsigned int trigger[SIFIVE_GPIO_MAX]; - unsigned int irq_parent[SIFIVE_GPIO_MAX]; + unsigned int irq_number[SIFIVE_GPIO_MAX]; }; static void sifive_gpio_set_ie(struct sifive_gpio *chip, unsigned int offset) @@ -144,8 +143,12 @@ static int sifive_gpio_child_to_parent_hwirq(struct gpio_chip *gc, unsigned int *parent, unsigned int *parent_type) { + struct sifive_gpio *chip = gpiochip_get_data(gc); + struct irq_data *d = irq_get_irq_data(chip->irq_number[child]); + *parent_type = IRQ_TYPE_NONE; - *parent = child + SIFIVE_GPIO_IRQ_OFFSET; + *parent = irqd_to_hwirq(d); + return 0; } @@ -165,7 +168,7 @@ static int sifive_gpio_probe(struct platform_device *pdev) struct irq_domain *parent; struct gpio_irq_chip *girq; struct sifive_gpio *chip; - int ret, ngpio; + int ret, ngpio, i; chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); if (!chip) @@ -200,6 +203,9 @@ static int sifive_gpio_probe(struct platform_device *pdev) return -ENODEV; } + for (i = 0; i < ngpio; i++) + chip->irq_number[i] = platform_get_irq(pdev, i); + ret = bgpio_init(&chip->gc, dev, 4, chip->base + SIFIVE_GPIO_INPUT_VAL, chip->base + SIFIVE_GPIO_OUTPUT_VAL,
We can get hwirq number of the gpio by its irq_data->hwirq so that we don't need to add more macros for different platforms. This patch is tested in SiFive Unleashed board and SiFive Unmatched board. Signed-off-by: Greentime Hu <greentime.hu@sifive.com> --- drivers/gpio/gpio-sifive.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)