On 2/2/2024 3:20 PM, Bjorn Andersson wrote:
> On Fri, Feb 02, 2024 at 11:56:53AM -0800, Elliot Berman wrote:
>> On Fri, Feb 02, 2024 at 11:47:43AM -0800, Unnathi Chalicheemala wrote:
>>> Commit a3134fb09e0b ("drivers: soc: Add LLCC driver") didn't
>>> check return value after Broadcast_OR register read in
>>> llcc_update_act_ctrl(), add it.
>>>
>>
>> Reviewed-by: Elliot Berman <quic_eberman@xxxxxxxxxxx>
>>
>> You'll probably want to add:
>>
>> Fixes: a3134fb09e0b ("drivers: soc: Add LLCC driver")
>
> No, this was correct in a3134fb09e0b, ret was returned on the following
> line. The problem was introduced when the new 4.1 if statement was
> introduced without considering that ret might be overwritten.
>
> Fixes: c72ca343f911 ("soc: qcom: llcc: Add v4.1 HW version support")
>
> Regards,
> Bjorn
>
Exactly right thank you for taking the time to review.
I will name the right fix in v2 patch.
>>
>>> Signed-off-by: Unnathi Chalicheemala <quic_uchalich@xxxxxxxxxxx>
>>> ---
>>> drivers/soc/qcom/llcc-qcom.c | 2 ++
>>> 1 file changed, 2 insertions(+)
>>>
>>> diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
>>> index 4ca88eaebf06..cbef0dea1d5d 100644
>>> --- a/drivers/soc/qcom/llcc-qcom.c
>>> +++ b/drivers/soc/qcom/llcc-qcom.c
>>> @@ -859,6 +859,8 @@ static int llcc_update_act_ctrl(u32 sid,
>>> ret = regmap_read_poll_timeout(drv_data->bcast_regmap, status_reg,
>>> slice_status, !(slice_status & status),
>>> 0, LLCC_STATUS_READ_DELAY);
>>> + if (ret)
>>> + return ret;
>>>
>>> if (drv_data->version >= LLCC_VERSION_4_1_0_0)
>>> ret = regmap_write(drv_data->bcast_regmap, act_clear_reg,
>>>
>>> ---
>>> base-commit: 021533194476035883300d60fbb3136426ac8ea5
>>> change-id: 20240202-fix_llcc_update_act_ctrl-64908aed9450
>>>
>>> Best regards,
>>> --
>>> Unnathi Chalicheemala <quic_uchalich@xxxxxxxxxxx>
>>>
