serial: omap: Fix IRQ handling return value
Ensure the Interrupt handling routine return IRQ_HANDLED vs IRQ_NONE. Signed-off-by: Ruchika Kharwar <ruchika@ti.com> Signed-off-by: Alexander Savchenko <oleksandr.savchenko@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Родитель
a0a490f9df
Коммит
908fd7e566
|
@ -485,7 +485,6 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
|
||||||
struct uart_omap_port *up = dev_id;
|
struct uart_omap_port *up = dev_id;
|
||||||
unsigned int iir, lsr;
|
unsigned int iir, lsr;
|
||||||
unsigned int type;
|
unsigned int type;
|
||||||
irqreturn_t ret = IRQ_NONE;
|
|
||||||
int max_count = 256;
|
int max_count = 256;
|
||||||
|
|
||||||
spin_lock(&up->port.lock);
|
spin_lock(&up->port.lock);
|
||||||
|
@ -496,7 +495,6 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
|
||||||
if (iir & UART_IIR_NO_INT)
|
if (iir & UART_IIR_NO_INT)
|
||||||
break;
|
break;
|
||||||
|
|
||||||
ret = IRQ_HANDLED;
|
|
||||||
lsr = serial_in(up, UART_LSR);
|
lsr = serial_in(up, UART_LSR);
|
||||||
|
|
||||||
/* extract IRQ type from IIR register */
|
/* extract IRQ type from IIR register */
|
||||||
|
@ -535,7 +533,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
|
||||||
pm_runtime_put_autosuspend(up->dev);
|
pm_runtime_put_autosuspend(up->dev);
|
||||||
up->port_activity = jiffies;
|
up->port_activity = jiffies;
|
||||||
|
|
||||||
return ret;
|
return IRQ_HANDLED;
|
||||||
}
|
}
|
||||||
|
|
||||||
static unsigned int serial_omap_tx_empty(struct uart_port *port)
|
static unsigned int serial_omap_tx_empty(struct uart_port *port)
|
||||||
|
|
Загрузка…
Ссылка в новой задаче