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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-15 16:08:50 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-15 16:08:50 -0700
commit65a6ec0d72a07f16719e9b7a96e1c4bae044b591 (patch)
tree344e03a5039a44982c1b78d6113633b21b434820 /drivers/input/keyboard
parent541010e4b8921cd781ff02ae68028501457045b6 (diff)
parent0181b61a988424b5cc44fe09e6968142359c815e (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits) [ARM] 4578/1: CM-x270: PCMCIA support [ARM] 4577/1: ITE 8152 PCI bridge support [ARM] 4576/1: CM-X270 machine support [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put() [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols [ARM] pxa: PXA3xx base support [NET] smc91x: fix PXA DMA support code [SERIAL] Fix console initialisation ordering [ARM] pxa: tidy up arch/arm/mach-pxa/Makefile [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils [ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23) [ARM] Rename consistent_sync() as dma_cache_maint() [ARM] 4572/1: ep93xx: add cirrus logic edb9307 support [ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32 [ARM] 4594/1: ns9xxx: use the new gpio functions [ARM] 4593/1: ns9xxx: implement generic clockevents ...
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/pxa27x_keyboard.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/input/keyboard/pxa27x_keyboard.c b/drivers/input/keyboard/pxa27x_keyboard.c
index ebe5eacf299..b7061aa3881 100644
--- a/drivers/input/keyboard/pxa27x_keyboard.c
+++ b/drivers/input/keyboard/pxa27x_keyboard.c
@@ -23,6 +23,8 @@
#include <linux/input.h>
#include <linux/device.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -40,6 +42,8 @@
col/2 == 2 ? KPASMKP2 : KPASMKP3)
#define KPASMKPx_MKC(row, col) (1 << (row + 16 * (col % 2)))
+static struct clk *pxakbd_clk;
+
static irqreturn_t pxakbd_irq_handler(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
@@ -104,7 +108,7 @@ static int pxakbd_open(struct input_dev *dev)
KPREC = 0x7F;
/* Enable unit clock */
- pxa_set_cken(CKEN_KEYPAD, 1);
+ clk_enable(pxakbd_clk);
return 0;
}
@@ -112,7 +116,7 @@ static int pxakbd_open(struct input_dev *dev)
static void pxakbd_close(struct input_dev *dev)
{
/* Disable clock unit */
- pxa_set_cken(CKEN_KEYPAD, 0);
+ clk_disable(pxakbd_clk);
}
#ifdef CONFIG_PM
@@ -140,7 +144,8 @@ static int pxakbd_resume(struct platform_device *pdev)
KPREC = pdata->reg_kprec;
/* Enable unit clock */
- pxa_set_cken(CKEN_KEYPAD, 1);
+ clk_disable(pxakbd_clk);
+ clk_enable(pxakbd_clk);
}
mutex_unlock(&input_dev->mutex);
@@ -158,11 +163,18 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
struct input_dev *input_dev;
int i, row, col, error;
+ pxakbd_clk = clk_get(&pdev->dev, "KBDCLK");
+ if (IS_ERR(pxakbd_clk)) {
+ error = PTR_ERR(pxakbd_clk);
+ goto err_clk;
+ }
+
/* Create and register the input driver. */
input_dev = input_allocate_device();
if (!input_dev) {
printk(KERN_ERR "Cannot request keypad device\n");
- return -ENOMEM;
+ error = -ENOMEM;
+ goto err_alloc;
}
input_dev->name = DRIVER_NAME;
@@ -185,7 +197,6 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
DRIVER_NAME, pdev);
if (error) {
printk(KERN_ERR "Cannot request keypad IRQ\n");
- pxa_set_cken(CKEN_KEYPAD, 0);
goto err_free_dev;
}
@@ -217,6 +228,9 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
free_irq(IRQ_KEYPAD, pdev);
err_free_dev:
input_free_device(input_dev);
+ err_alloc:
+ clk_put(pxakbd_clk);
+ err_clk:
return error;
}
@@ -226,6 +240,7 @@ static int __devexit pxakbd_remove(struct platform_device *pdev)
input_unregister_device(input_dev);
free_irq(IRQ_KEYPAD, pdev);
+ clk_put(pxakbd_clk);
platform_set_drvdata(pdev, NULL);
return 0;