| Message ID | 20240930144804.75068-3-brgl@bgdev.pl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] gpio: xilinx: drop dependency on GPIO_OF | expand |
On 9/30/24 16:48, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > > OF-specific routines should not be used unless necessary. Generic device > properties are preferred so switch to using them in the driver code. > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > --- > drivers/gpio/gpio-xilinx.c | 16 +++++++--------- > 1 file changed, 7 insertions(+), 9 deletions(-) > > diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c > index d99824d42c77..41c552a58059 100644 > --- a/drivers/gpio/gpio-xilinx.c > +++ b/drivers/gpio/gpio-xilinx.c > @@ -15,7 +15,6 @@ > #include <linux/io.h> > #include <linux/irq.h> > #include <linux/module.h> > -#include <linux/of.h> > #include <linux/platform_device.h> > #include <linux/pm_runtime.h> > #include <linux/slab.h> > @@ -564,7 +563,6 @@ static int xgpio_probe(struct platform_device *pdev) > struct device *dev = &pdev->dev; > struct xgpio_instance *chip; > int status = 0; > - struct device_node *np = dev->of_node; > u32 is_dual = 0; > u32 width[2]; > u32 state[2]; > @@ -579,7 +577,7 @@ static int xgpio_probe(struct platform_device *pdev) > platform_set_drvdata(pdev, chip); > > /* First, check if the device is dual-channel */ > - of_property_read_u32(np, "xlnx,is-dual", &is_dual); > + device_property_read_u32(dev, "xlnx,is-dual", &is_dual); > > /* Setup defaults */ > memset32(width, 0, ARRAY_SIZE(width)); > @@ -587,14 +585,14 @@ static int xgpio_probe(struct platform_device *pdev) > memset32(dir, 0xFFFFFFFF, ARRAY_SIZE(dir)); > > /* Update GPIO state shadow register with default value */ > - of_property_read_u32(np, "xlnx,dout-default", &state[0]); > - of_property_read_u32(np, "xlnx,dout-default-2", &state[1]); > + device_property_read_u32(dev, "xlnx,dout-default", &state[0]); > + device_property_read_u32(dev, "xlnx,dout-default-2", &state[1]); > > bitmap_from_arr32(chip->state, state, 64); > > /* Update GPIO direction shadow register with default value */ > - of_property_read_u32(np, "xlnx,tri-default", &dir[0]); > - of_property_read_u32(np, "xlnx,tri-default-2", &dir[1]); > + device_property_read_u32(dev, "xlnx,tri-default", &dir[0]); > + device_property_read_u32(dev, "xlnx,tri-default-2", &dir[1]); > > bitmap_from_arr32(chip->dir, dir, 64); > > @@ -602,13 +600,13 @@ static int xgpio_probe(struct platform_device *pdev) > * Check device node and parent device node for device width > * and assume default width of 32 > */ > - if (of_property_read_u32(np, "xlnx,gpio-width", &width[0])) > + if (device_property_read_u32(dev, "xlnx,gpio-width", &width[0])) > width[0] = 32; > > if (width[0] > 32) > return -EINVAL; > > - if (is_dual && of_property_read_u32(np, "xlnx,gpio2-width", &width[1])) > + if (is_dual && device_property_read_u32(dev, "xlnx,gpio2-width", &width[1])) > width[1] = 32; > > if (width[1] > 32) This is also fine. Acked-by: Michal Simek <michal.simek@amd.com> Thanks, Michal
On Mon, Sep 30, 2024 at 4:48 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote: > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > > OF-specific routines should not be used unless necessary. Generic device > properties are preferred so switch to using them in the driver code. > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index d99824d42c77..41c552a58059 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -15,7 +15,6 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/module.h> -#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/slab.h> @@ -564,7 +563,6 @@ static int xgpio_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct xgpio_instance *chip; int status = 0; - struct device_node *np = dev->of_node; u32 is_dual = 0; u32 width[2]; u32 state[2]; @@ -579,7 +577,7 @@ static int xgpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, chip); /* First, check if the device is dual-channel */ - of_property_read_u32(np, "xlnx,is-dual", &is_dual); + device_property_read_u32(dev, "xlnx,is-dual", &is_dual); /* Setup defaults */ memset32(width, 0, ARRAY_SIZE(width)); @@ -587,14 +585,14 @@ static int xgpio_probe(struct platform_device *pdev) memset32(dir, 0xFFFFFFFF, ARRAY_SIZE(dir)); /* Update GPIO state shadow register with default value */ - of_property_read_u32(np, "xlnx,dout-default", &state[0]); - of_property_read_u32(np, "xlnx,dout-default-2", &state[1]); + device_property_read_u32(dev, "xlnx,dout-default", &state[0]); + device_property_read_u32(dev, "xlnx,dout-default-2", &state[1]); bitmap_from_arr32(chip->state, state, 64); /* Update GPIO direction shadow register with default value */ - of_property_read_u32(np, "xlnx,tri-default", &dir[0]); - of_property_read_u32(np, "xlnx,tri-default-2", &dir[1]); + device_property_read_u32(dev, "xlnx,tri-default", &dir[0]); + device_property_read_u32(dev, "xlnx,tri-default-2", &dir[1]); bitmap_from_arr32(chip->dir, dir, 64); @@ -602,13 +600,13 @@ static int xgpio_probe(struct platform_device *pdev) * Check device node and parent device node for device width * and assume default width of 32 */ - if (of_property_read_u32(np, "xlnx,gpio-width", &width[0])) + if (device_property_read_u32(dev, "xlnx,gpio-width", &width[0])) width[0] = 32; if (width[0] > 32) return -EINVAL; - if (is_dual && of_property_read_u32(np, "xlnx,gpio2-width", &width[1])) + if (is_dual && device_property_read_u32(dev, "xlnx,gpio2-width", &width[1])) width[1] = 32; if (width[1] > 32)