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From: Juergen Beisert <jbe@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/6] Simplify test for the max. possible GPIO number.
Date: Mon, 22 Nov 2010 13:24:21 +0100	[thread overview]
Message-ID: <1290428665-23561-3-git-send-email-jbe@pengutronix.de> (raw)
In-Reply-To: <1290428665-23561-1-git-send-email-jbe@pengutronix.de>

This is only for easier integration of the i.MX28 architecture.

Signed-off-by: Juergen Beisert <jbe@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 b50aac3..55e7798 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 unsigned calc_mux_reg(unsigned no)
 {
 	/* each register controls 16 pads */
@@ -84,7 +86,7 @@ void imx_gpio_mode(uint32_t 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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  parent reply	other threads:[~2010-11-22 12:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-22 12:24 [PATCH] i.MX23/STM: Continue improving this architecture Juergen Beisert
2010-11-22 12:24 ` [PATCH 1/6] Remove variable size restrictions in i.MX23's gpio managing routines Juergen Beisert
2010-11-22 12:24 ` Juergen Beisert [this message]
2010-11-22 12:24 ` [PATCH 3/6] i.MX23: Add support for the gpio commands Juergen Beisert
2010-11-22 12:24 ` [PATCH 4/6] i.MX23: Add pixel clock calculation routine for framebuffer support Juergen Beisert
2010-11-22 12:24 ` [PATCH 5/6] i.MX23: Add framebuffer device support Juergen Beisert
2010-11-22 12:24 ` [PATCH 6/6] Separate i.MX23 clock handling Juergen Beisert
2010-11-22 12:27 ` [PATCH] i.MX23/STM: Continue improving this architecture Juergen Beisert

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