linux-kernel - [PATCH] ARM: S3C24XX: Fix configuration of gpio port sizes on S3C24XX.

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Date:	Wed, 11 Sep 2013 09:46:13 +0100
From:	José Miguel Gonçalves 
	<jose.goncalves@...v.pt>
To:	linux-samsung-soc@...r.kernel.org
Cc:	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	José Miguel Gonçalves 
	<jose.goncalves@...v.pt>
Subject: [PATCH] ARM: S3C24XX: Fix configuration of gpio port sizes on S3C24XX.

Some GPIO line limits are incorrectly set which, for instance,
does not allow nRTS1 (GPH11) configuration on a S3C2416 chip.

Signed-off-by: José Miguel Gonçalves <jose.goncalves@...v.pt>
---
 arch/arm/mach-s3c24xx/include/mach/gpio.h |   10 +++++-----
 drivers/gpio/gpio-samsung.c               |    6 +++---
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio.h b/arch/arm/mach-s3c24xx/include/mach/gpio.h
index 1459156..a1435bc 100644
--- a/arch/arm/mach-s3c24xx/include/mach/gpio.h
+++ b/arch/arm/mach-s3c24xx/include/mach/gpio.h
@@ -31,17 +31,17 @@
  *   2410 2412 2440 2443 2416
  *             2442
  *   ---- ---- ---- ---- ----
- * A  23   22   25   16   25
- * B  11   11   11   11   9
- * C  16   15   16   16   16
+ * A  23   22   25   16   27
+ * B  11   11   11   11   11
+ * C  16   16   16   16   16
  * D  16   16   16   16   16
  * E  16   16   16   16   16
  * F  8    8    8    8    8
  * G  16   16   16   16   8
- * H  11   11   9    15   15
+ * H  11   11   11   15   15
  * J  --   --   13   16   --
  * K  --   --   --   --   16
- * L  --   --   --   15   7
+ * L  --   --   --   15   14
  * M  --   --   --   2    2
  */
 
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 358a21c..29c428b 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -1053,7 +1053,7 @@ struct samsung_gpio_chip s3c24xx_gpios[] = {
 			.base			= S3C2410_GPA(0),
 			.owner			= THIS_MODULE,
 			.label			= "GPIOA",
-			.ngpio			= 24,
+			.ngpio			= 27,
 			.direction_input	= s3c24xx_gpiolib_banka_input,
 			.direction_output	= s3c24xx_gpiolib_banka_output,
 		},
@@ -1062,7 +1062,7 @@ struct samsung_gpio_chip s3c24xx_gpios[] = {
 			.base	= S3C2410_GPB(0),
 			.owner	= THIS_MODULE,
 			.label	= "GPIOB",
-			.ngpio	= 16,
+			.ngpio	= 11,
 		},
 	}, {
 		.chip	= {
@@ -1107,7 +1107,7 @@ struct samsung_gpio_chip s3c24xx_gpios[] = {
 			.base	= S3C2410_GPH(0),
 			.owner	= THIS_MODULE,
 			.label	= "GPIOH",
-			.ngpio	= 11,
+			.ngpio	= 15,
 		},
 	},
 		/* GPIOS for the S3C2443 and later devices. */
-- 
1.7.10.4

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