diff options
| author | Yadwinder Singh Brar <yadi.brar01@gmail.com> | 2012-07-09 13:21:45 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-07-09 15:13:42 +0200 |
| commit | 2b40459b7ee502c970d9f1dcf94dfa4d58ec1d85 (patch) | |
| tree | c17a8614a3fd213063221c13510ae885e89291cb /drivers/mfd/max77686-irq.c | |
| parent | mfd: Apply irq_mask_cur before handling max77686 interrupts (diff) | |
| download | linux-2b40459b7ee502c970d9f1dcf94dfa4d58ec1d85.tar.xz linux-2b40459b7ee502c970d9f1dcf94dfa4d58ec1d85.zip | |
mfd: Allow to specify max77686 interrupt through DT or platform file also
Presently driver expects irq_gpio pin in platform data and maps it to irq
itself. But we can also directly specify the interrupt in DT or platform file.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/max77686-irq.c')
| -rw-r--r-- | drivers/mfd/max77686-irq.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/mfd/max77686-irq.c b/drivers/mfd/max77686-irq.c index 0758fac0c447..cdc3280e2ec7 100644 --- a/drivers/mfd/max77686-irq.c +++ b/drivers/mfd/max77686-irq.c @@ -252,21 +252,28 @@ int max77686_irq_init(struct max77686_dev *max77686) mutex_init(&max77686->irqlock); - max77686->irq = gpio_to_irq(max77686->irq_gpio); - - if (debug_mask & MAX77686_DEBUG_IRQ_INT) { - ret = gpio_request(max77686->irq_gpio, "pmic_irq"); - if (ret < 0) { - dev_err(max77686->dev, - "Failed to request gpio %d with ret: %d\n", - max77686->irq_gpio, ret); - return IRQ_NONE; + if (max77686->irq_gpio && !max77686->irq) { + max77686->irq = gpio_to_irq(max77686->irq_gpio); + + if (debug_mask & MAX77686_DEBUG_IRQ_INT) { + ret = gpio_request(max77686->irq_gpio, "pmic_irq"); + if (ret < 0) { + dev_err(max77686->dev, + "Failed to request gpio %d with ret:" + "%d\n", max77686->irq_gpio, ret); + return IRQ_NONE; + } + + gpio_direction_input(max77686->irq_gpio); + val = gpio_get_value(max77686->irq_gpio); + gpio_free(max77686->irq_gpio); + pr_info("%s: gpio_irq=%x\n", __func__, val); } + } - gpio_direction_input(max77686->irq_gpio); - val = gpio_get_value(max77686->irq_gpio); - gpio_free(max77686->irq_gpio); - pr_info("%s: gpio_irq=%x\n", __func__, val); + if (!max77686->irq) { + dev_err(max77686->dev, "irq is not specified\n"); + return -ENODEV; } /* Mask individual interrupt sources */ |