summary refs log tree commit diff
path: root/drivers
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-04-01 10:26:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-04-01 10:26:09 -0700
commit26803bac2b70a7314f19d56c588cf7d55e4ddc3e (patch)
tree8324a9a55217e3301016b10604ef799b55a96cd2 /drivers
parentaa240ee7883487201d0c6cc537ec1c4cd6cb2a9e (diff)
parent24f71ae5447e661813228677d343208d624fc141 (diff)
downloadlinux-26803bac2b70a7314f19d56c588cf7d55e4ddc3e.tar.gz
Merge tag 'gpio-fixes-for-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:

 - grammar and formatting fixes in comments for gpio-ts4900

 - correct links in gpio-ts5500

 - fix a warning in doc generation for the core GPIO documentation

* tag 'gpio-fixes-for-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: ts5500: Fix Links to Technologic Systems web resources
  gpio: Properly document parent data union
  gpio: ts4900: Fix comment formatting and grammar
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpio/gpio-ts4900.c12
-rw-r--r--drivers/gpio/gpio-ts5500.c4
2 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-ts4900.c b/drivers/gpio/gpio-ts4900.c
index 69854fd2382a..416725c26e94 100644
--- a/drivers/gpio/gpio-ts4900.c
+++ b/drivers/gpio/gpio-ts4900.c
@@ -47,8 +47,9 @@ static int ts4900_gpio_direction_input(struct gpio_chip *chip,
 {
 	struct ts4900_gpio_priv *priv = gpiochip_get_data(chip);
 
-	/* Only clear the OE bit here, requires a RMW. Prevents potential issue
-	 * with OE and data getting to the physical pin at different times.
+	/*
+	 * Only clear the OE bit here, requires a RMW. Prevents a potential issue
+	 * with OE and DAT getting to the physical pin at different times.
 	 */
 	return regmap_update_bits(priv->regmap, offset, TS4900_GPIO_OE, 0);
 }
@@ -60,9 +61,10 @@ static int ts4900_gpio_direction_output(struct gpio_chip *chip,
 	unsigned int reg;
 	int ret;
 
-	/* If changing from an input to an output, we need to first set the
-	 * proper data bit to what is requested and then set OE bit. This
-	 * prevents a glitch that can occur on the IO line
+	/*
+	 * If changing from an input to an output, we need to first set the
+	 * GPIO's DAT bit to what is requested and then set the OE bit. This
+	 * prevents a glitch that can occur on the IO line.
 	 */
 	regmap_read(priv->regmap, offset, &reg);
 	if (!(reg & TS4900_GPIO_OE)) {
diff --git a/drivers/gpio/gpio-ts5500.c b/drivers/gpio/gpio-ts5500.c
index b159e92a3612..8e03614c7a24 100644
--- a/drivers/gpio/gpio-ts5500.c
+++ b/drivers/gpio/gpio-ts5500.c
@@ -11,11 +11,11 @@
  * Actually, the following platforms have DIO support:
  *
  * TS-5500:
- *   Documentation: http://wiki.embeddedarm.com/wiki/TS-5500
+ *   Documentation: https://docs.embeddedts.com/TS-5500
  *   Blocks: DIO1, DIO2 and LCD port.
  *
  * TS-5600:
- *   Documentation: http://wiki.embeddedarm.com/wiki/TS-5600
+ *   Documentation: https://docs.embeddedts.com/TS-5600
  *   Blocks: LCD port (identical to TS-5500 LCD).
  */