summaryrefslogtreecommitdiffstats
path: root/drivers/media/rc
diff options
context:
space:
mode:
authorPhilipp Zabel <p.zabel@pengutronix.de>2017-03-15 08:31:38 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-03-24 08:30:03 -0300
commitc3d4fb0fb41f4b5eafeee51173c14e50be12f839 (patch)
tree89301324ef1ae0b2df1e5fdf3173d354380200d7 /drivers/media/rc
parentec6b0bd54e00beabfdf45d1f3aba8dfb79f52b53 (diff)
downloadop-kernel-dev-c3d4fb0fb41f4b5eafeee51173c14e50be12f839.zip
op-kernel-dev-c3d4fb0fb41f4b5eafeee51173c14e50be12f839.tar.gz
[media] rc: sunxi-cir: simplify optional reset handling
As of commit bb475230b8e5 ("reset: make optional functions really optional"), the reset framework API calls use NULL pointers to describe optional, non-present reset controls. This allows to return errors from devm_reset_control_get_optional and to call reset_control_(de)assert unconditionally. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/sunxi-cir.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/media/rc/sunxi-cir.c b/drivers/media/rc/sunxi-cir.c
index 25b0061..4b785dd 100644
--- a/drivers/media/rc/sunxi-cir.c
+++ b/drivers/media/rc/sunxi-cir.c
@@ -174,16 +174,11 @@ static int sunxi_ir_probe(struct platform_device *pdev)
/* Reset (optional) */
ir->rst = devm_reset_control_get_optional(dev, NULL);
- if (IS_ERR(ir->rst)) {
- ret = PTR_ERR(ir->rst);
- if (ret == -EPROBE_DEFER)
- return ret;
- ir->rst = NULL;
- } else {
- ret = reset_control_deassert(ir->rst);
- if (ret)
- return ret;
- }
+ if (IS_ERR(ir->rst))
+ return PTR_ERR(ir->rst);
+ ret = reset_control_deassert(ir->rst);
+ if (ret)
+ return ret;
ret = clk_set_rate(ir->clk, SUNXI_IR_BASE_CLK);
if (ret) {
@@ -291,8 +286,7 @@ exit_clkdisable_clk:
exit_clkdisable_apb_clk:
clk_disable_unprepare(ir->apb_clk);
exit_reset_assert:
- if (ir->rst)
- reset_control_assert(ir->rst);
+ reset_control_assert(ir->rst);
return ret;
}
@@ -304,8 +298,7 @@ static int sunxi_ir_remove(struct platform_device *pdev)
clk_disable_unprepare(ir->clk);
clk_disable_unprepare(ir->apb_clk);
- if (ir->rst)
- reset_control_assert(ir->rst);
+ reset_control_assert(ir->rst);
spin_lock_irqsave(&ir->ir_lock, flags);
/* disable IR IRQ */
OpenPOWER on IntegriCloud