On 7/2/20 9:56 AM, Chanwoo Choi wrote:
> Hi Dmitry,
>
> On 6/9/20 10:13 PM, Dmitry Osipenko wrote:
>> Tegra EMC driver was turned into a regular kernel driver, it also could
>> be compiled as a loadable kernel module now. Hence EMC clock isn't
>
> Looks good to me. But, you better to add the commit information
> about Tegra EMC driver with commit-id ("patch title") format
> into patch descritpion.
>
>> guaranteed to be available and clk_get("emc") may return -EPROBE_DEFER and
>> there is no good reason to spam KMSG with a error about missing EMC clock
>> in this case, so let's silence the deferred probe error.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
>> ---
>> drivers/devfreq/tegra20-devfreq.c | 8 +++++---
>> 1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/devfreq/tegra20-devfreq.c b/drivers/devfreq/tegra20-devfreq.c
>> index ff82bac9ee4e..6469dc69c5e0 100644
>> --- a/drivers/devfreq/tegra20-devfreq.c
>> +++ b/drivers/devfreq/tegra20-devfreq.c
>> @@ -141,9 +141,11 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
>>
>> /* EMC is a system-critical clock that is always enabled */
>> tegra->emc_clock = devm_clk_get(&pdev->dev, "emc");
>> - if (IS_ERR(tegra->emc_clock)) {
>> - err = PTR_ERR(tegra->emc_clock);
>> - dev_err(&pdev->dev, "failed to get emc clock: %d\n", err);
>> + err = PTR_ERR_OR_ZERO(tegra->emc_clock);
>> + if (err) {
>> + if (err != -EPROBE_DEFER)
>> + dev_err(&pdev->dev, "failed to get emc clock: %d\n",
>> + err);
>> return err;
>> }
>>
>>
>
>
The Tegra EMC drive is included in this patchset.
So, don't need to mention the commit info.
Looks good to me.
Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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