[PATCH 05/14] STM378x: Parameterize the max. possible GPIO number

Juergen Beisert jbe at pengutronix.de
Mon Dec 13 05:53:28 EST 2010


This is for easier integration of the i.MX28 architecture (to share the code
later on).

Signed-off-by: Juergen Beisert <jbe at pengutronix.de>
---
 arch/arm/mach-stm/iomux-imx23.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-stm/iomux-imx23.c b/arch/arm/mach-stm/iomux-imx23.c
index b0f4046..5d4465e 100644
--- a/arch/arm/mach-stm/iomux-imx23.c
+++ b/arch/arm/mach-stm/iomux-imx23.c
@@ -31,6 +31,8 @@
 #define HW_PINCTRL_DIN0 0x600
 #define HW_PINCTRL_DOE0 0x700
 
+#define MAX_GPIO_NO 95
+
 static uint32_t calc_mux_reg(uint32_t no)
 {
 	/* each register controls 16 pads */
@@ -77,7 +79,7 @@ void imx_gpio_mode(unsigned m)
 	writel(reg, IMX_IOMUXC_BASE + reg_offset);
 
 	/* some pins are disabled when configured for GPIO */
-	if ((gpio_pin > 95) && (GET_FUNC(m) == IS_GPIO)) {
+	if ((gpio_pin > MAX_GPIO_NO) && (GET_FUNC(m) == IS_GPIO)) {
 		printf("Cannot configure pad %d to GPIO\n", gpio_pin);
 		return;
 	}
-- 
1.7.2.3




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