On 17/03/2021 10:52, Sergei Shtylyov wrote:
> Hello!
>
> On 16.03.2021 20:57, Krzysztof Kozlowski wrote:
>
>> The Ralink MIPS platform does not use Common Clock Framework and does
>> not define certain clock operations leading to compile test failures:
>>
>> /usr/bin/mips-linux-gnu-ld: drivers/usb/phy/phy-tegra-usb.o: in
>> function `tegra_usb_phy_init':
>> phy-tegra-usb.c:(.text+0x1dd4): undefined reference to `clk_get_parent'
>>
>> Reported-by: kernel test robot <l...@intel.com>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlow...@canonical.com>
>> ---
>> arch/mips/ralink/clk.c | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>>
>> diff --git a/arch/mips/ralink/clk.c b/arch/mips/ralink/clk.c
>> index 2f9d5acb38ea..8387177a47ef 100644
>> --- a/arch/mips/ralink/clk.c
>> +++ b/arch/mips/ralink/clk.c
>> @@ -70,6 +70,20 @@ long clk_round_rate(struct clk *clk, unsigned long rate)
>> }
>> EXPORT_SYMBOL_GPL(clk_round_rate);
>>
>> +int clk_set_parent(struct clk *clk, struct clk *parent)
>> +{
>> + WARN_ON(clk);
>> + return -1;
>
> Shouldn't this be a proepr error code (-1 corresponds to -EPRERM)?
Could be ENODEV or EINVAL but all other stubs here and in ar7/clock.c
use -1. Do you prefer it then to have it inconsistent with others?
Best regards,
Krzysztof
