aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpio-xilinx.c
diff options
context:
space:
mode:
authorBartosz Golaszewski <[email protected]>2024-09-30 14:48:04 +0000
committerBartosz Golaszewski <[email protected]>2024-10-08 08:18:29 +0000
commit06c88b7ac9eed417f02cd748499b29318a9795be (patch)
tree887d9f9fc90d7d09edebe20607be2b4e1697e43b /drivers/gpio/gpio-xilinx.c
parentgpio: xilinx: use helper variable to store the address of pdev->dev (diff)
downloadkernel-06c88b7ac9eed417f02cd748499b29318a9795be.tar.gz
kernel-06c88b7ac9eed417f02cd748499b29318a9795be.zip
gpio: xilinx: use generic device properties
OF-specific routines should not be used unless necessary. Generic device properties are preferred so switch to using them in the driver code. Acked-by: Michal Simek <[email protected]> Reviewed-by: Linus Walleij <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Bartosz Golaszewski <[email protected]>
Diffstat (limited to 'drivers/gpio/gpio-xilinx.c')
-rw-r--r--drivers/gpio/gpio-xilinx.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index d99824d42c77..31bb02e133fa 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -15,9 +15,9 @@
#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/property.h>
#include <linux/slab.h>
/* Register Offset Definitions */
@@ -564,7 +564,6 @@ 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 +578,7 @@ 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 +586,14 @@ 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 +601,13 @@ 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)