From: Tony Lindgren tony@atomide.com
[ Upstream commit f620596fa347170852da499e778a5736d79a4b79 ]
Fix warning drivers/bus/ti-sysc.c:1806 sysc_quirk_dispc() warn: masking a bool.
While at it let's add a comment for what were doing to make the code a bit easier to follow.
Fixes: 7324a7a0d5e2 ("bus: ti-sysc: Implement display subsystem reset quirk") Reported-by: Dan Carpenter dan.carpenter@linaro.org Closes: https://lore.kernel.org/linux-omap/a8ec8a68-9c2c-4076-bf47-09fccce7659f@kili... Signed-off-by: Tony Lindgren tony@atomide.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/bus/ti-sysc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index e93912e56f28c..7d508f9050038 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1759,7 +1759,7 @@ static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, if (!ddata->module_va) return -EIO;
- /* DISP_CONTROL */ + /* DISP_CONTROL, shut down lcd and digit on disable if enabled */ val = sysc_read(ddata, dispc_offset + 0x40); lcd_en = val & lcd_en_mask; digit_en = val & digit_en_mask; @@ -1771,7 +1771,7 @@ static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, else irq_mask |= BIT(2) | BIT(3); /* EVSYNC bits */ } - if (disable & (lcd_en | digit_en)) + if (disable && (lcd_en || digit_en)) sysc_write(ddata, dispc_offset + 0x40, val & ~(lcd_en_mask | digit_en_mask));