diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-28 19:50:39 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-28 19:51:57 +0100 |
| commit | d23511f9590870effa5ace575b59aac18c47175f (patch) | |
| tree | c30929de930763a8a4930a171478dca9d414dfc3 | |
| parent | regmap: Add a reusable irq_chip for regmap based interrupt controllers (diff) | |
| download | linux-d23511f9590870effa5ace575b59aac18c47175f.tar.xz linux-d23511f9590870effa5ace575b59aac18c47175f.zip | |
regmap: Report if we actually handled an interrupt in regmap-irq
While the IRQ core doesn't currently support shared threaded interrupts
that's no reason for drivers not to do their bit and report IRQ_NONE when
they don't get an interrupt. This allows the core spurious/wedget interrupt
detection support to do its thing.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | drivers/base/regmap/regmap-irq.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index bd54f63be9ed..6b8a74c3ed18 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -100,6 +100,7 @@ static irqreturn_t regmap_irq_thread(int irq, void *d) u8 *buf8 = data->status_reg_buf; u16 *buf16 = data->status_reg_buf; u32 *buf32 = data->status_reg_buf; + bool handled = false; ret = regmap_bulk_read(map, chip->status_base, data->status_reg_buf, chip->num_regs); @@ -146,10 +147,14 @@ static irqreturn_t regmap_irq_thread(int irq, void *d) if (data->status_buf[chip->irqs[i].reg_offset] & chip->irqs[i].mask) { handle_nested_irq(data->irq_base + i); + handled = true; } } - return IRQ_HANDLED; + if (handled) + return IRQ_HANDLED; + else + return IRQ_NONE; } /** |