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authorKarthikeyan Ramasubramanian <kramasub@codeaurora.org>2018-05-03 23:14:39 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-14 14:44:55 +0300
commitec91df8d3faf90d1cb428a7c4950995c6514d0ab (patch)
tree67231900b202d5bbc40372a1bea43270fcefce90 /drivers/tty
parent69736b57dfe57d116cac7846006cb4b0be9ac0d0 (diff)
downloadlinux-ec91df8d3faf90d1cb428a7c4950995c6514d0ab.tar.xz
tty: serial: qcom_geni_serial: Return IRQ_NONE for spurious interrupts
Currently the driver returns IRQ_HANDLED when spurious interrupts happen. This is misleading. Fix the behavior by returning IRQ_NONE for spurious interrupts. Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/qcom_geni_serial.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index b0758606b676..8b706b0f3723 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -633,7 +633,7 @@ static irqreturn_t qcom_geni_serial_isr(int isr, void *dev)
struct qcom_geni_serial_port *port = to_dev_port(uport, uport);
if (uport->suspended)
- return IRQ_HANDLED;
+ return IRQ_NONE;
spin_lock_irqsave(&uport->lock, flags);
m_irq_status = readl_relaxed(uport->membase + SE_GENI_M_IRQ_STATUS);