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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2018-02-18 22:02:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-28 15:29:58 +0100 |
| commit | 135ccb0129952966715074398f422c1517f2e7ad (patch) | |
| tree | bded6c457c71f91c68ef2b52e6f1f2765d937ca6 /drivers/tty | |
| parent | 0ef5a6e09b99c39439d09a957bd40dd3154b51ba (diff) | |
| download | linux-135ccb0129952966715074398f422c1517f2e7ad.tar.gz linux-135ccb0129952966715074398f422c1517f2e7ad.tar.xz | |
serial: imx: drop if that always evaluates to true
The check sts & USR1_DTRD was just evaluated to true two lines above.
So this change doesn't have any effect on the semantic of the driver.
Fixes: 27e16501052e ("serial: imx: implement DSR irq handling for DTE mode")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/imx.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index ace96283bdb8..6c926f702655 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -781,8 +781,7 @@ static irqreturn_t imx_int(int irq, void *dev_id) if (sts & USR1_DTRD) { unsigned long flags; - if (sts & USR1_DTRD) - writel(USR1_DTRD, sport->port.membase + USR1); + writel(USR1_DTRD, sport->port.membase + USR1); spin_lock_irqsave(&sport->port.lock, flags); imx_mctrl_check(sport); |