linux-kernel - Re: [PATCH] clk: at91: sam9x60: Don't use audio PLL

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Date:   Fri, 31 Jan 2020 11:51:51 +0000
From:   <Codrin.Ciubotariu@...rochip.com>
To:     <Claudiu.Beznea@...rochip.com>, <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <alexandre.belloni@...tlin.com>, <sboyd@...nel.org>,
        <Ludovic.Desroches@...rochip.com>, <Eugen.Hristev@...rochip.com>
Subject: Re: [PATCH] clk: at91: sam9x60: Don't use audio PLL

On 31.01.2020 12:42, Claudiu Beznea - M18063 wrote:
> Hi Codrin,
> 
> On 30.01.2020 19:47, Codrin Ciubotariu wrote:
>> On sam9x60, there is not audio PLL and so I2S and classD have to use one
>> of the best matching parents for their generated clock.
>>
>> Fixes: 01e2113de9a5 ("clk: at91: add sam9x60 pmc driver")
>> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
>> ---
>>   drivers/clk/at91/sam9x60.c | 6 ++----
>>   1 file changed, 2 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
>> index 77398aefeb6d..0aeb44fed9de 100644
>> --- a/drivers/clk/at91/sam9x60.c
>> +++ b/drivers/clk/at91/sam9x60.c
>> @@ -144,11 +144,9 @@ static const struct {
>>          { .n = "sdmmc1_gclk", .id = 26, .r = { .min = 0, .max = 105000000 }, },
>>          { .n = "flex11_gclk", .id = 32, },
>>          { .n = "flex12_gclk", .id = 33, },
>> -       { .n = "i2s_gclk",    .id = 34, .r = { .min = 0, .max = 105000000 },
>> -               .pll = true, },
>> +       { .n = "i2s_gclk",    .id = 34, .r = { .min = 0, .max = 105000000 }, },
>>          { .n = "pit64b_gclk", .id = 37, },
>> -       { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 },
>> -               .pll = true, },
>> +       { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, },
>>          { .n = "tcb1_gclk",   .id = 45, },
>>          { .n = "dbgu_gclk",   .id = 47, },
>>   };
> 
> Please remove also the pll member of:
> 
> static const struct {
>          char *n;
>          u8 id;
>          struct clk_range r;
>          bool pll;
> }

Sure, will send v2.

Thanks and best regards,
Codrin