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author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:00:54 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:00:54 +0200 |
commit | bb2c018b09b681d43f5e08124b83e362647ea82b (patch) | |
tree | d794902c78f9fdd04ed88a4b8d451ed6f9292ec0 /drivers/of/gpio.c | |
parent | 82638844d9a8581bbf33201cc209a14876eca167 (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
download | op-kernel-dev-bb2c018b09b681d43f5e08124b83e362647ea82b.zip op-kernel-dev-bb2c018b09b681d43f5e08124b83e362647ea82b.tar.gz |
Merge branch 'linus' into cpus4096
Conflicts:
drivers/acpi/processor_throttling.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/of/gpio.c')
-rw-r--r-- | drivers/of/gpio.c | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c index 000681e..1c9cab8 100644 --- a/drivers/of/gpio.c +++ b/drivers/of/gpio.c @@ -137,38 +137,6 @@ int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np, } EXPORT_SYMBOL(of_gpio_simple_xlate); -/* Should be sufficient for now, later we'll use dynamic bases. */ -#if defined(CONFIG_PPC32) || defined(CONFIG_SPARC32) -#define GPIOS_PER_CHIP 32 -#else -#define GPIOS_PER_CHIP 64 -#endif - -static int of_get_gpiochip_base(struct device_node *np) -{ - struct device_node *gc = NULL; - int gpiochip_base = 0; - - while ((gc = of_find_all_nodes(gc))) { - if (!of_get_property(gc, "gpio-controller", NULL)) - continue; - - if (gc != np) { - gpiochip_base += GPIOS_PER_CHIP; - continue; - } - - of_node_put(gc); - - if (gpiochip_base >= ARCH_NR_GPIOS) - return -ENOSPC; - - return gpiochip_base; - } - - return -ENOENT; -} - /** * of_mm_gpiochip_add - Add memory mapped GPIO chip (bank) * @np: device node of the GPIO chip @@ -205,11 +173,7 @@ int of_mm_gpiochip_add(struct device_node *np, if (!mm_gc->regs) goto err1; - gc->base = of_get_gpiochip_base(np); - if (gc->base < 0) { - ret = gc->base; - goto err1; - } + gc->base = -1; if (!of_gc->xlate) of_gc->xlate = of_gpio_simple_xlate; |