linux-kernel - [PATCH 4.14 12/28] iio: imu: st_lsm6dsx: flip irq return logic

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Date:   Fri, 15 Jan 2021 13:27:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sean Nyekjaer <sean@...nix.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 4.14 12/28] iio: imu: st_lsm6dsx: flip irq return logic

From: Sean Nyekjaer <sean@...nix.com>

commit ec76d918f23034f9f662539ca9c64e2ae3ba9fba upstream

No need for using reverse logic in the irq return,
fix this by flip things around.

Signed-off-by: Sean Nyekjaer <sean@...nix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -401,7 +401,7 @@ static irqreturn_t st_lsm6dsx_handler_th
 	count = st_lsm6dsx_read_fifo(hw);
 	mutex_unlock(&hw->fifo_lock);
 
-	return !count ? IRQ_NONE : IRQ_HANDLED;
+	return count ? IRQ_HANDLED : IRQ_NONE;
 }
 
 static int st_lsm6dsx_buffer_preenable(struct iio_dev *iio_dev)