Re: [PATCH v3 1/1] clk: jz4725b: fix mmc0 clock gating

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On Sat, Feb 05, 2022 at 12:15:15PM +0000, Paul Cercueil wrote:
> Hi Greg,
> 
> Le sam., févr. 5 2022 at 10:59:50 +0100, Greg KH
> <gregkh@xxxxxxxxxxxxxxxxxxx> a écrit :
> > On Sat, Feb 05, 2022 at 12:45:31PM +0300, Siarhei Volkau wrote:
> > >  The mmc0 clock gate bit was mistakenly assigned to "i2s" clock.
> > >  You can find that the same bit is assigned to "mmc0" too.
> > >  It leads to mmc0 hang for a long time after any sound activity
> > >  also it  prevented PM_SLEEP to work properly.
> > >  I guess it was introduced by copy-paste from jz4740 driver
> > >  where it is really controls I2S clock gate.
> > > 
> > >  Fixes: 226dfa4726eb ("clk: Add Ingenic jz4725b CGU driver")
> > >  Signed-off-by: Siarhei Volkau <lis8215@xxxxxxxxx>
> > >  Tested-by: Siarhei Volkau <lis8215@xxxxxxxxx>
> > >  Reviewed-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> > >  ---
> > >   drivers/clk/ingenic/jz4725b-cgu.c | 3 +--
> > >   1 file changed, 1 insertion(+), 2 deletions(-)
> > > 
> > >  diff --git a/drivers/clk/ingenic/jz4725b-cgu.c
> > > b/drivers/clk/ingenic/jz4725b-cgu.c
> > >  index 744d136..15d6179 100644
> > >  --- a/drivers/clk/ingenic/jz4725b-cgu.c
> > >  +++ b/drivers/clk/ingenic/jz4725b-cgu.c
> > >  @@ -139,11 +139,10 @@ static const struct ingenic_cgu_clk_info
> > > jz4725b_cgu_clocks[] = {
> > >   	},
> > > 
> > >   	[JZ4725B_CLK_I2S] = {
> > >  -		"i2s", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
> > >  +		"i2s", CGU_CLK_MUX | CGU_CLK_DIV,
> > >   		.parents = { JZ4725B_CLK_EXT, JZ4725B_CLK_PLL_HALF, -1, -1 },
> > >   		.mux = { CGU_REG_CPCCR, 31, 1 },
> > >   		.div = { CGU_REG_I2SCDR, 0, 1, 9, -1, -1, -1 },
> > >  -		.gate = { CGU_REG_CLKGR, 6 },
> > >   	},
> > > 
> > >   	[JZ4725B_CLK_SPI] = {
> > >  --
> > >  2.35.1
> > > 
> > 
> > <formletter>
> > 
> > This is not the correct way to submit patches for inclusion in the
> > stable kernel tree.  Please read:
> > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> > for how to do this properly.
> > 
> > </formletter>
> 
> What's wrong with this patch exactly? It looks good to me.

No "Cc: stable@..." in the signed-off-by area.




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