diff options
| author | Tony Lindgren <tony@atomide.com> | 2023-05-17 10:04:16 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-19 16:21:18 +0200 |
| commit | 13602e6132464dbbbf5e4c941a118f27921aa012 (patch) | |
| tree | 85d25442c506302571d3e379e1952e044e91abe1 /drivers/bus | |
| parent | 46a8dff2103bee5d4d54745df6d0cff46a02a239 (diff) | |
bus: ti-sysc: Fix dispc quirk masking bool variables
[ 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.mountain/
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 9a7d12332fad..cae078bffc71 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1808,7 +1808,7 @@ 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; @@ -1820,7 +1820,7 @@ 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)); |