Messages in this thread | | | From | Chunyan Zhang <> | Date | Fri, 3 Apr 2020 09:56:41 +0800 | Subject | Re: [PATCH] clk: sprd: don't gate uart console clock |
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Hi Stephen,
This is also a fix, could you please take it into clk-next as well?
Thanks, Chunyan
On Tue, 31 Mar 2020 at 18:45, Chunyan Zhang <zhang.lyra@gmail.com> wrote: > > Don't gate uart1_eb which provides console clock, gating that clock would > make serial stop working if serial driver didn't enable that explicitly. > > Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> > --- > drivers/clk/sprd/sc9863a-clk.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/clk/sprd/sc9863a-clk.c b/drivers/clk/sprd/sc9863a-clk.c > index 24f064262814..6c6ac158ef61 100644 > --- a/drivers/clk/sprd/sc9863a-clk.c > +++ b/drivers/clk/sprd/sc9863a-clk.c > @@ -1671,8 +1671,9 @@ static SPRD_SC_GATE_CLK_FW_NAME(i2c4_eb, "i2c4-eb", "ext-26m", 0x0, > 0x1000, BIT(12), 0, 0); > static SPRD_SC_GATE_CLK_FW_NAME(uart0_eb, "uart0-eb", "ext-26m", 0x0, > 0x1000, BIT(13), 0, 0); > +/* uart1_eb is for console, don't gate even if unused */ > static SPRD_SC_GATE_CLK_FW_NAME(uart1_eb, "uart1-eb", "ext-26m", 0x0, > - 0x1000, BIT(14), 0, 0); > + 0x1000, BIT(14), CLK_IGNORE_UNUSED, 0); > static SPRD_SC_GATE_CLK_FW_NAME(uart2_eb, "uart2-eb", "ext-26m", 0x0, > 0x1000, BIT(15), 0, 0); > static SPRD_SC_GATE_CLK_FW_NAME(uart3_eb, "uart3-eb", "ext-26m", 0x0, > -- > 2.20.1 >
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