diff options
| author | Chanwoo Choi <cw00.choi@samsung.com> | 2012-07-02 09:03:00 +0900 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-07-09 00:16:13 +0200 |
| commit | dca1a71e4108a0a9051a653d885297e9d1cc656c (patch) | |
| tree | 50f90ec0cae92c063b6de94ee1b71e8fb91cf585 /drivers/extcon | |
| parent | b41511f713ccaef666e450fae8cb18909897fe4e (diff) | |
extcon: Add support irq domain for MAX8997 muic
This patch add support irq domain for Maxim MAX8997 muic
instead of irq_base in platform data and max8997 driver
private data are instead. It is tested on TRATS board.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/extcon/extcon-max8997.c | 29 |
2 files changed, 19 insertions, 12 deletions
diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig index 29c5cf852ef..bf6b2eae575 100644 --- a/drivers/extcon/Kconfig +++ b/drivers/extcon/Kconfig @@ -23,7 +23,7 @@ config EXTCON_GPIO config EXTCON_MAX8997 tristate "MAX8997 EXTCON Support" - depends on MFD_MAX8997 + depends on MFD_MAX8997 && IRQ_DOMAIN help If you say yes here you get support for the MUIC device of Maxim MAX8997 PMIC. The MAX8997 MUIC is a USB port accessory diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index a4ed30bd9a4..ef9090a4271 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -26,6 +26,7 @@ #include <linux/mfd/max8997.h> #include <linux/mfd/max8997-private.h> #include <linux/extcon.h> +#include <linux/irqdomain.h> #define DEV_NAME "max8997-muic" @@ -77,6 +78,7 @@ struct max8997_muic_irq { unsigned int irq; const char *name; + unsigned int virq; }; static struct max8997_muic_irq muic_irqs[] = { @@ -343,12 +345,10 @@ static void max8997_muic_irq_work(struct work_struct *work) { struct max8997_muic_info *info = container_of(work, struct max8997_muic_info, irq_work); - struct max8997_dev *max8997 = i2c_get_clientdata(info->muic); u8 status[2]; u8 adc, chg_type; - - int irq_type = info->irq - max8997->irq_base; - int ret; + int irq_type = 0; + int i, ret; mutex_lock(&info->mutex); @@ -363,6 +363,10 @@ static void max8997_muic_irq_work(struct work_struct *work) dev_dbg(info->dev, "%s: STATUS1:0x%x, 2:0x%x\n", __func__, status[0], status[1]); + for (i = 0 ; i < ARRAY_SIZE(muic_irqs) ; i++) + if (info->irq == muic_irqs[i].virq) + irq_type = muic_irqs[i].irq; + switch (irq_type) { case MAX8997_MUICIRQ_ADC: adc = status[0] & STATUS1_ADC_MASK; @@ -448,11 +452,15 @@ static int __devinit max8997_muic_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) { struct max8997_muic_irq *muic_irq = &muic_irqs[i]; + int virq = 0; + + virq = irq_create_mapping(max8997->irq_domain, muic_irq->irq); + if (!virq) + goto err_irq; + muic_irq->virq = virq; - ret = request_threaded_irq(pdata->irq_base + muic_irq->irq, - NULL, max8997_muic_irq_handler, - 0, muic_irq->name, - info); + ret = request_threaded_irq(virq, NULL,max8997_muic_irq_handler, + 0, muic_irq->name, info); if (ret) { dev_err(&pdev->dev, "failed: irq request (IRQ: %d," @@ -496,7 +504,7 @@ err_extcon: kfree(info->edev); err_irq: while (--i >= 0) - free_irq(pdata->irq_base + muic_irqs[i].irq, info); + free_irq(muic_irqs[i].virq, info); kfree(info); err_kfree: return ret; @@ -505,11 +513,10 @@ err_kfree: static int __devexit max8997_muic_remove(struct platform_device *pdev) { struct max8997_muic_info *info = platform_get_drvdata(pdev); - struct max8997_dev *max8997 = i2c_get_clientdata(info->muic); int i; for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) - free_irq(max8997->irq_base + muic_irqs[i].irq, info); + free_irq(muic_irqs[i].virq, info); cancel_work_sync(&info->irq_work); extcon_dev_unregister(info->edev); |