From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/8] arm: at91: add gpio_is_valid support
Date: Sun, 28 Oct 2012 02:24:05 +0200 [thread overview]
Message-ID: <1351383852-8488-1-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <20121028002134.GD28904@game.jcrosoft.org>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
arch/arm/mach-at91/include/mach/gpio.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm/mach-at91/include/mach/gpio.h b/arch/arm/mach-at91/include/mach/gpio.h
index 3533bf9..4edfd25 100644
--- a/arch/arm/mach-at91/include/mach/gpio.h
+++ b/arch/arm/mach-at91/include/mach/gpio.h
@@ -22,6 +22,17 @@
/* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
+#define ARCH_NR_GPIOS 256
+
+static inline int gpio_is_valid(int gpio)
+{
+ if (gpio < 0)
+ return 0;
+ if (gpio < ARCH_NR_GPIOS)
+ return 1;
+ return 0;
+}
+
#define AT91_PIN_PA0 (PIN_BASE + 0x00 + 0)
#define AT91_PIN_PA1 (PIN_BASE + 0x00 + 1)
#define AT91_PIN_PA2 (PIN_BASE + 0x00 + 2)
--
1.7.10.4
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next prev parent reply other threads:[~2012-10-28 0:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-28 0:21 [PATCH 0/8] pm9g45/pm9253/pm9261: add 1-wire support Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-10-28 0:24 ` [PATCH 2/8] w1: introduce helper to generate mac address from 1-wire id Jean-Christophe PLAGNIOL-VILLARD
2012-10-29 8:33 ` Sascha Hauer
2012-10-29 11:29 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` [PATCH 3/8] pm9g45: add 1-wire support Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` [PATCH 4/8] pm9g45: use w1 serial number to generate local mac address Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` [PATCH 5/8] pm9263: add 1-wire support Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` [PATCH 6/8] pm9263: use w1 serial number to generate local mac address Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` [PATCH 7/8] pm9261: add 1-wire support Jean-Christophe PLAGNIOL-VILLARD
2012-10-28 0:24 ` [PATCH 8/8] pm9261: use w1 serial number to generate local mac address Jean-Christophe PLAGNIOL-VILLARD
2012-10-29 13:40 [PATCH 0/8 v2:wqa] pm9g45/pm9253/pm9261: add 1-wire support Jean-Christophe PLAGNIOL-VILLARD
2012-10-29 13:46 ` [PATCH 1/8] arm: at91: add gpio_is_valid support Jean-Christophe PLAGNIOL-VILLARD
2012-10-30 7:32 ` Sascha Hauer
2012-10-30 8:41 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-30 20:54 [PATCH 0/8 v3] pm9g45/pm9253/pm9261: add 1-wire support Jean-Christophe PLAGNIOL-VILLARD
2012-10-30 21:00 ` [PATCH 1/8] arm: at91: add gpio_is_valid support Jean-Christophe PLAGNIOL-VILLARD
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