From d23511f9590870effa5ace575b59aac18c47175f Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 28 Nov 2011 18:50:39 +0000 Subject: 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 --- drivers/base/regmap/regmap-irq.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/base') 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; } /** -- cgit v1.2.3