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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 19:12:43 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 19:12:43 +0300
commit79c9601c2e0dbbe69895d302de4d19f3a31fbd30 (patch)
tree78d4be2df851b2b4106adcfd736622a90cecf9e9 /arch/arm/plat-mxc/iomux-v3.c
parent41440ffe21f29bdb985cab76b2d0b06d83e63b19 (diff)
parent3d14b5beba35250c548d3851a2b84fce742d8311 (diff)
downloadlinux-79c9601c2e0dbbe69895d302de4d19f3a31fbd30.tar.xz
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (272 commits) Fix soc_common PCMCIA configuration ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver ARM: 5825/1: SA1100: h3600: update defconfig ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100 ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys ARM: 5822/1: SA1100: h3100/h3600: clean up #includes ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates ARM: 5820/1: SA1100: h3100/h3600: split h3600.c ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h ...
Diffstat (limited to 'arch/arm/plat-mxc/iomux-v3.c')
-rw-r--r--arch/arm/plat-mxc/iomux-v3.c36
1 files changed, 2 insertions, 34 deletions
diff --git a/arch/arm/plat-mxc/iomux-v3.c b/arch/arm/plat-mxc/iomux-v3.c
index 851ca99bf1b1..b318c6a222d5 100644
--- a/arch/arm/plat-mxc/iomux-v3.c
+++ b/arch/arm/plat-mxc/iomux-v3.c
@@ -31,19 +31,11 @@
static void __iomem *base;
-static unsigned long iomux_v3_pad_alloc_map[0x200 / BITS_PER_LONG];
-
/*
- * setups a single pin:
- * - reserves the pin so that it is not claimed by another driver
- * - setups the iomux according to the configuration
+ * setups a single pad in the iomuxer
*/
int mxc_iomux_v3_setup_pad(struct pad_desc *pad)
{
- unsigned int pad_ofs = pad->pad_ctrl_ofs;
-
- if (test_and_set_bit(pad_ofs >> 2, iomux_v3_pad_alloc_map))
- return -EBUSY;
if (pad->mux_ctrl_ofs)
__raw_writel(pad->mux_mode, base + pad->mux_ctrl_ofs);
@@ -66,37 +58,13 @@ int mxc_iomux_v3_setup_multiple_pads(struct pad_desc *pad_list, unsigned count)
for (i = 0; i < count; i++) {
ret = mxc_iomux_v3_setup_pad(p);
if (ret)
- goto setup_error;
+ return ret;
p++;
}
return 0;
-
-setup_error:
- mxc_iomux_v3_release_multiple_pads(pad_list, i);
- return ret;
}
EXPORT_SYMBOL(mxc_iomux_v3_setup_multiple_pads);
-void mxc_iomux_v3_release_pad(struct pad_desc *pad)
-{
- unsigned int pad_ofs = pad->pad_ctrl_ofs;
-
- clear_bit(pad_ofs >> 2, iomux_v3_pad_alloc_map);
-}
-EXPORT_SYMBOL(mxc_iomux_v3_release_pad);
-
-void mxc_iomux_v3_release_multiple_pads(struct pad_desc *pad_list, int count)
-{
- struct pad_desc *p = pad_list;
- int i;
-
- for (i = 0; i < count; i++) {
- mxc_iomux_v3_release_pad(p);
- p++;
- }
-}
-EXPORT_SYMBOL(mxc_iomux_v3_release_multiple_pads);
-
void mxc_iomux_v3_init(void __iomem *iomux_v3_base)
{
base = iomux_v3_base;