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Revert "serial: omap: Fix IRQ handling return value"

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This reverts commit 908fd7e566.

Kevin writes:
	Greg, without a better justification in the changelog, I think
	this patch should be dropped from tty-next.

Reported-by: Kevin Hilman <khilman@linaro.org>
Cc: Ruchika Kharwar <ruchika@ti.com>
Cc: Alexander Savchenko <oleksandr.savchenko@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-08-27 15:59:53 -07:00
parent 8316d04c42
commit 7b013e440a
1 changed files with 3 additions and 1 deletions
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4
drivers/tty/serial/omap-serial.c
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@ -538,6 +538,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
struct uart_omap_port *up = dev_id;
unsigned int iir, lsr;
unsigned int type;
irqreturn_t ret = IRQ_NONE;
int max_count = 256;
spin_lock(&up->port.lock);
@ -548,6 +549,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
if (iir & UART_IIR_NO_INT)
break;
ret = IRQ_HANDLED;
lsr = serial_in(up, UART_LSR);
/* extract IRQ type from IIR register */
@ -586,7 +588,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
pm_runtime_put_autosuspend(up->dev);
up->port_activity = jiffies;
return IRQ_HANDLED;
return ret;
}
static unsigned int serial_omap_tx_empty(struct uart_port *port)