[PATCH v3 1/3] clk: at91: rm9200: fix usb device clock id

[Michael Grzeschik]

On Fri, Nov 11, 2022 at 11:00:53AM +0000, Claudiu.Beznea at microchip.com wrote:
>On 10.11.2022 12:41, Claudiu Beznea - M18063 wrote:
>> On 09.11.2022 14:46, Michael Grzeschik wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> Referring to the datasheet the index 2 is the MCKUDP. When enabled, it
>>> "Enables the automatic disable of the Master Clock of the USB Device
>>> Port when a suspend condition occurs". We fix the index to the real UDP
>>> id which "Enables the 48 MHz clock of the USB Device Port".
>>>
>>> Cc: mturquette at baylibre.com
>>> Cc: sboyd at kernel.org
>>> Cc: nicolas.ferre at microchip.com
>>> Cc: alexandre.belloni at bootlin.com
>>> Cc: ludovic.desroches at microchip.com
>>> Cc: claudiu.beznea at microchip.com
>>> Cc: linux-clk at vger.kernel.org
>>> Cc: linux-arm-kernel at lists.infradead.org
>>> Cc: kernel at pengutronix.de
>>> Fixes: 02ff48e4d7f7 ("clk: at91: add at91rm9200 pmc driver")
>>> Signed-off-by: Michael Grzeschik <m.grzeschik at pengutronix.de>
>>
>> Reviewed-by: Claudiu Beznea <claudiu.beznea at microchip.com>
>
>Actually, looking again at this... I think it is best to squash this patch
>with path 2/3 from this series. Otherwise applying them independently will
>lead to usb driver probe failure. Back porting them (with proper
>dependency) to older kernel version may also lead to failures.


I just send v4.


>>
>>
>>>
>>> ---
>>> v1 -> v2: - removed ; from patch description
>>>           - added fixes tag
>>> v2 -> v3: - updated the fixes tag
>>>
>>>  drivers/clk/at91/at91rm9200.c | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c
>>> index b174f727a8ef8d..16870943a13e54 100644
>>> --- a/drivers/clk/at91/at91rm9200.c
>>> +++ b/drivers/clk/at91/at91rm9200.c
>>> @@ -40,7 +40,7 @@ static const struct clk_pll_characteristics rm9200_pll_characteristics = {
>>>  };
>>>
>>>  static const struct sck at91rm9200_systemck[] = {
>>> -       { .n = "udpck", .p = "usbck",    .id = 2 },
>>> +       { .n = "udpck", .p = "usbck",    .id = 1 },
>>>         { .n = "uhpck", .p = "usbck",    .id = 4 },
>>>         { .n = "pck0",  .p = "prog0",    .id = 8 },
>>>         { .n = "pck1",  .p = "prog1",    .id = 9 },
>>> --
>>> 2.30.2
>>>
>>
>
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