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authorDavid S. Miller <davem@davemloft.net>2008-07-18 02:39:39 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-18 02:39:39 -0700
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /drivers/of/gpio.c
parenta0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
Diffstat (limited to 'drivers/of/gpio.c')
-rw-r--r--drivers/of/gpio.c38
1 files changed, 1 insertions, 37 deletions
diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c
index 000681e98f2..1c9cab844f1 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;