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Commit ec91df8d authored by Karthikeyan Ramasubramanian's avatar Karthikeyan Ramasubramanian Committed by Greg Kroah-Hartman
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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: default avatarKarthikeyan Ramasubramanian <kramasub@codeaurora.org>
Reviewed-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 69736b57

drivers/tty/serial/qcom_geni_serial.c

+1 −1
Original line number Diff line number Diff line
@@ -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);