[PATCH v3 1/3] clk: at91: rm9200: fix usb device clock id
Claudiu.Beznea at microchip.com
Claudiu.Beznea at microchip.com
Fri Nov 11 03:00:53 PST 2022
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.
>
>
>>
>> ---
>> 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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