diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2013-06-24 14:39:52 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-06-30 23:29:44 +0200 |
| commit | 443c6ae253e96db9a5800a28d7c61131e81c2dee (patch) | |
| tree | c9df532a7f81a8799fe52f6845504b275803e58e /drivers/rtc/rtc-max8998.c | |
| parent | b5c46787df1f28b0a24499e275491ba9a505c8ec (diff) | |
| download | lwn-443c6ae253e96db9a5800a28d7c61131e81c2dee.tar.gz lwn-443c6ae253e96db9a5800a28d7c61131e81c2dee.zip | |
mfd: max8998: Add irq domain support
This patch adds irq domain support for max8998 interrupts.
To keep both non-DT and DT worlds happy, simple domain is used, which is
linear when no explicit IRQ base is specified and legacy, with static
mapping, otherwise.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/rtc/rtc-max8998.c')
| -rw-r--r-- | drivers/rtc/rtc-max8998.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c index d5af7baa48b5..46f23014759b 100644 --- a/drivers/rtc/rtc-max8998.c +++ b/drivers/rtc/rtc-max8998.c @@ -16,6 +16,7 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/bcd.h> +#include <linux/irqdomain.h> #include <linux/rtc.h> #include <linux/platform_device.h> #include <linux/mfd/max8998.h> @@ -264,7 +265,6 @@ static int max8998_rtc_probe(struct platform_device *pdev) info->dev = &pdev->dev; info->max8998 = max8998; info->rtc = max8998->rtc; - info->irq = max8998->irq_base + MAX8998_IRQ_ALARM0; platform_set_drvdata(pdev, info); @@ -277,6 +277,15 @@ static int max8998_rtc_probe(struct platform_device *pdev) goto out_rtc; } + if (!max8998->irq_domain) + goto no_irq; + + info->irq = irq_create_mapping(max8998->irq_domain, MAX8998_IRQ_ALARM0); + if (!info->irq) { + dev_warn(&pdev->dev, "Failed to map alarm IRQ\n"); + goto no_irq; + } + ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, max8998_rtc_alarm_irq, 0, "rtc-alarm0", info); @@ -284,6 +293,7 @@ static int max8998_rtc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n", info->irq, ret); +no_irq: dev_info(&pdev->dev, "RTC CHIP NAME: %s\n", pdev->id_entry->name); if (pdata && pdata->rtc_delay) { info->lp3974_bug_workaround = true; |