From faa14263f5f9617a91b4d8335f93814522c8d42b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20B=C3=BCsch?= <mb@bu3sch.de>
Date: Tue, 19 Feb 2008 15:22:17 +0000
Subject: ssb: Make the GPIO API reentrancy safe.
SVN-Revision: 10496
---
.../files/include/asm-mips/mach-bcm947xx/gpio.h | 34 ++++------------------
1 file changed, 6 insertions(+), 28 deletions(-)
(limited to 'target/linux/brcm47xx/files')
diff --git a/target/linux/brcm47xx/files/include/asm-mips/mach-bcm947xx/gpio.h b/target/linux/brcm47xx/files/include/asm-mips/mach-bcm947xx/gpio.h
index 499df4ef18..4a897d1ea4 100644
--- a/target/linux/brcm47xx/files/include/asm-mips/mach-bcm947xx/gpio.h
+++ b/target/linux/brcm47xx/files/include/asm-mips/mach-bcm947xx/gpio.h
@@ -1,9 +1,7 @@
#ifndef __BCM947XX_GPIO_H
#define __BCM947XX_GPIO_H
-#include <linux/ssb/ssb.h>
-#include <linux/ssb/ssb_driver_chipcommon.h>
-#include <linux/ssb/ssb_driver_extif.h>
+#include <linux/ssb/ssb_embedded.h>
extern struct ssb_bus ssb;
@@ -18,24 +16,13 @@ static inline void gpio_free(unsigned gpio)
static inline int gpio_direction_input(unsigned gpio)
{
- if (ssb.chipco.dev)
- ssb_chipco_gpio_outen(&ssb.chipco, 1 << gpio, 0);
- else if (ssb.extif.dev)
- ssb_extif_gpio_outen(&ssb.extif, 1 << gpio, 0);
- else
- return -EINVAL;
+ ssb_gpio_outen(&ssb, 1 << gpio, 0);
return 0;
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
- if (ssb.chipco.dev)
- ssb_chipco_gpio_outen(&ssb.chipco, 1 << gpio, value << gpio);
- else if (ssb.extif.dev)
- ssb_extif_gpio_outen(&ssb.extif, 1 << gpio, value << gpio);
- else
- return -EINVAL;
-
+ ssb_gpio_outen(&ssb, 1 << gpio, value << gpio);
return 0;
}
@@ -43,7 +30,7 @@ static inline int gpio_direction_output(unsigned gpio, int value)
static inline int gpio_to_irq(unsigned gpio)
{
struct ssb_device *dev;
-
+
dev = ssb.chipco.dev;
if (!dev)
dev = ssb.extif.dev;
@@ -61,21 +48,12 @@ static inline int irq_to_gpio(unsigned gpio)
static inline int gpio_get_value(unsigned gpio)
{
- if (ssb.chipco.dev)
- return ssb_chipco_gpio_in(&ssb.chipco, 1 << gpio) ? 1 : 0;
- else if (ssb.extif.dev)
- return ssb_extif_gpio_in(&ssb.extif, 1 << gpio) ? 1 : 0;
- else
- return 0;
+ return !!ssb_gpio_in(&ssb, 1 << gpio);
}
static inline int gpio_set_value(unsigned gpio, int value)
{
- if (ssb.chipco.dev)
- ssb_chipco_gpio_out(&ssb.chipco, 1 << gpio, (value ? 1 << gpio : 0));
- else if (ssb.extif.dev)
- ssb_extif_gpio_out(&ssb.extif, 1 << gpio, (value ? 1 << gpio : 0));
-
+ ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
return 0;
}
--
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