[PATCH v4 11/12] Input: tegra-kbc - request_irq by IRQF_NO_AUTOEN and remove disable_irq

[Barry Song]

disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable because of requesting.

Signed-off-by: Barry Song <song.bao....@hisilicon.com>
---
 drivers/input/keyboard/tegra-kbc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/input/keyboard/tegra-kbc.c 
b/drivers/input/keyboard/tegra-kbc.c
index 9671842a082a..570fe18c0ce9 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -694,14 +694,13 @@ static int tegra_kbc_probe(struct platform_device *pdev)
        input_set_drvdata(kbc->idev, kbc);
 
        err = devm_request_irq(&pdev->dev, kbc->irq, tegra_kbc_isr,
-                              IRQF_TRIGGER_HIGH, pdev->name, kbc);
+                              IRQF_TRIGGER_HIGH | IRQF_NO_AUTOEN,
+                              pdev->name, kbc);
        if (err) {
                dev_err(&pdev->dev, "failed to request keyboard IRQ\n");
                return err;
        }
 
-       disable_irq(kbc->irq);
-
        err = input_register_device(kbc->idev);
        if (err) {
                dev_err(&pdev->dev, "failed to register input device\n");
-- 
2.25.1