diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-18 12:46:37 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-18 12:46:37 -0800 |
commit | 31564cbd77baa88405862d4aa0d00893ab1d8cb7 (patch) | |
tree | 2eaec947ab64ccfa2d94ca29bf14feb70b8a4b61 /drivers/input/keyboard/nomadik-ske-keypad.c | |
parent | 6842d98de7bb726dfddc719cb9ae022b26a0f2b8 (diff) | |
parent | 022573c275500e1a50889949f679d04b5446edf6 (diff) | |
download | linux-next-31564cbd77baa88405862d4aa0d00893ab1d8cb7.tar.gz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull second round of input updates from Dmitry Torokhov:
"As usual, there are a couple of new drivers, input core now supports
managed input devices (devres), a slew of drivers now have device tree
support and a bunch of fixes and cleanups."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (71 commits)
Input: walkera0701 - fix crash on startup
Input: matrix-keymap - provide a proper module license
Input: gpio_keys_polled - switch to using gpio_request_one()
Input: gpio_keys - switch to using gpio_request_one()
Input: wacom - fix touch support for Bamboo Fun CTH-461
Input: xpad - add a few new VID/PID combinations
Input: xpad - minor formatting fixes
Input: gpio-keys-polled - honor 'autorepeat' setting in platform data
Input: tca8418-keypad - switch to using managed resources
Input: tca8418_keypad - increase severity of failures in probe()
Input: tca8418_keypad - move device ID tables closer to where they are used
Input: tca8418_keypad - use dev_get_platdata() to retrieve platform data
Input: tca8418_keypad - use a temporary variable for parent device
Input: tca8418_keypad - add support for shared interrupt
Input: tca8418_keypad - add support for device tree bindings
Input: remove Compaq iPAQ H3600 (Bitsy) touchscreen driver
Input: bu21013_ts - add support for Device Tree booting
Input: bu21013_ts - move GPIO init and exit functions into the driver
Input: bu21013_ts - request regulator that actually exists
ARM: ux500: Strip out duplicate touch screen platform information
...
Diffstat (limited to 'drivers/input/keyboard/nomadik-ske-keypad.c')
-rw-r--r-- | drivers/input/keyboard/nomadik-ske-keypad.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c index 49f5fa64e0b1..0e6a8151fee3 100644 --- a/drivers/input/keyboard/nomadik-ske-keypad.c +++ b/drivers/input/keyboard/nomadik-ske-keypad.c @@ -67,6 +67,7 @@ struct ske_keypad { const struct ske_keypad_platform_data *board; unsigned short keymap[SKE_KPD_NUM_ROWS * SKE_KPD_NUM_COLS]; struct clk *clk; + struct clk *pclk; spinlock_t ske_keypad_lock; }; @@ -271,11 +272,18 @@ static int __init ske_keypad_probe(struct platform_device *pdev) goto err_free_mem_region; } + keypad->pclk = clk_get(&pdev->dev, "apb_pclk"); + if (IS_ERR(keypad->pclk)) { + dev_err(&pdev->dev, "failed to get pclk\n"); + error = PTR_ERR(keypad->pclk); + goto err_iounmap; + } + keypad->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(keypad->clk)) { dev_err(&pdev->dev, "failed to get clk\n"); error = PTR_ERR(keypad->clk); - goto err_iounmap; + goto err_pclk; } input->id.bustype = BUS_HOST; @@ -287,14 +295,25 @@ static int __init ske_keypad_probe(struct platform_device *pdev) keypad->keymap, input); if (error) { dev_err(&pdev->dev, "Failed to build keymap\n"); - goto err_iounmap; + goto err_clk; } input_set_capability(input, EV_MSC, MSC_SCAN); if (!plat->no_autorepeat) __set_bit(EV_REP, input->evbit); - clk_enable(keypad->clk); + error = clk_prepare_enable(keypad->pclk); + if (error) { + dev_err(&pdev->dev, "Failed to prepare/enable pclk\n"); + goto err_clk; + } + + error = clk_prepare_enable(keypad->clk); + if (error) { + dev_err(&pdev->dev, "Failed to prepare/enable clk\n"); + goto err_pclk_disable; + } + /* go through board initialization helpers */ if (keypad->board->init) @@ -330,8 +349,13 @@ static int __init ske_keypad_probe(struct platform_device *pdev) err_free_irq: free_irq(keypad->irq, keypad); err_clk_disable: - clk_disable(keypad->clk); + clk_disable_unprepare(keypad->clk); +err_pclk_disable: + clk_disable_unprepare(keypad->pclk); +err_clk: clk_put(keypad->clk); +err_pclk: + clk_put(keypad->pclk); err_iounmap: iounmap(keypad->reg_base); err_free_mem_region: @@ -342,7 +366,7 @@ err_free_mem: return error; } -static int __devexit ske_keypad_remove(struct platform_device *pdev) +static int ske_keypad_remove(struct platform_device *pdev) { struct ske_keypad *keypad = platform_get_drvdata(pdev); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -351,7 +375,7 @@ static int __devexit ske_keypad_remove(struct platform_device *pdev) input_unregister_device(keypad->input); - clk_disable(keypad->clk); + clk_disable_unprepare(keypad->clk); clk_put(keypad->clk); if (keypad->board->exit) @@ -403,7 +427,7 @@ static struct platform_driver ske_keypad_driver = { .owner = THIS_MODULE, .pm = &ske_keypad_dev_pm_ops, }, - .remove = __devexit_p(ske_keypad_remove), + .remove = ske_keypad_remove, }; static int __init ske_keypad_init(void) |