diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
commit | baea7b946f00a291b166ccae7fcfed6c01530cc6 (patch) | |
tree | 4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /drivers/mfd/wm8350-core.c | |
parent | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff) | |
parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) |
Merge branch 'origin' into for-linus
Conflicts:
MAINTAINERS
Diffstat (limited to 'drivers/mfd/wm8350-core.c')
-rw-r--r-- | drivers/mfd/wm8350-core.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index fe24079387c..ba27c9dc1ad 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -353,15 +353,15 @@ static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq) } /* - * wm8350_irq_worker actually handles the interrupts. Since all + * This is a threaded IRQ handler so can access I2C/SPI. Since all * interrupts are clear on read the IRQ line will be reasserted and * the physical IRQ will be handled again if another interrupt is * asserted while we run - in the normal course of events this is a * rare occurrence so we save I2C/SPI reads. */ -static void wm8350_irq_worker(struct work_struct *work) +static irqreturn_t wm8350_irq(int irq, void *data) { - struct wm8350 *wm8350 = container_of(work, struct wm8350, irq_work); + struct wm8350 *wm8350 = data; u16 level_one, status1, status2, comp; /* TODO: Use block reads to improve performance? */ @@ -552,16 +552,6 @@ static void wm8350_irq_worker(struct work_struct *work) } } - enable_irq(wm8350->chip_irq); -} - -static irqreturn_t wm8350_irq(int irq, void *data) -{ - struct wm8350 *wm8350 = data; - - disable_irq_nosync(irq); - schedule_work(&wm8350->irq_work); - return IRQ_HANDLED; } @@ -1428,9 +1418,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, mutex_init(&wm8350->auxadc_mutex); mutex_init(&wm8350->irq_mutex); - INIT_WORK(&wm8350->irq_work, wm8350_irq_worker); if (irq) { - int flags = 0; + int flags = IRQF_ONESHOT; if (pdata && pdata->irq_high) { flags |= IRQF_TRIGGER_HIGH; @@ -1444,8 +1433,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, WM8350_IRQ_POL); } - ret = request_irq(irq, wm8350_irq, flags, - "wm8350", wm8350); + ret = request_threaded_irq(irq, NULL, wm8350_irq, flags, + "wm8350", wm8350); if (ret != 0) { dev_err(wm8350->dev, "Failed to request IRQ: %d\n", ret); @@ -1472,6 +1461,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, &(wm8350->codec.pdev)); wm8350_client_dev_register(wm8350, "wm8350-gpio", &(wm8350->gpio.pdev)); + wm8350_client_dev_register(wm8350, "wm8350-hwmon", + &(wm8350->hwmon.pdev)); wm8350_client_dev_register(wm8350, "wm8350-power", &(wm8350->power.pdev)); wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev)); @@ -1498,11 +1489,11 @@ void wm8350_device_exit(struct wm8350 *wm8350) platform_device_unregister(wm8350->wdt.pdev); platform_device_unregister(wm8350->rtc.pdev); platform_device_unregister(wm8350->power.pdev); + platform_device_unregister(wm8350->hwmon.pdev); platform_device_unregister(wm8350->gpio.pdev); platform_device_unregister(wm8350->codec.pdev); free_irq(wm8350->chip_irq, wm8350); - flush_work(&wm8350->irq_work); kfree(wm8350->reg_cache); } EXPORT_SYMBOL_GPL(wm8350_device_exit); |