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SubjectRe: [PATCH v4 05/10] memory: tegra20-emc: Replace clk_get_sys with devm_clk_get
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17.06.2019 12:46, Thierry Reding пишет:
> On Mon, Jun 17, 2019 at 02:35:46AM +0300, Dmitry Osipenko wrote:
>> There is no problem for drivers to request pll_m and pll_p clocks for
>> the device, hence there is no need to use clk_get_sys() and it could be
>> replaced with devm_clk_get() for consistency.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
>> ---
>> drivers/memory/tegra/tegra20-emc.c | 12 ++++--------
>> 1 file changed, 4 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
>> index 43aef3614b65..527aa4b90e95 100644
>> --- a/drivers/memory/tegra/tegra20-emc.c
>> +++ b/drivers/memory/tegra/tegra20-emc.c
>> @@ -527,33 +527,29 @@ static int tegra_emc_probe(struct platform_device *pdev)
>> goto unset_cb;
>> }
>>
>> - emc->pll_m = clk_get_sys(NULL, "pll_m");
>> + emc->pll_m = devm_clk_get(&pdev->dev, "pll_m");
>
> Interesting... I didn't know that clk_get() had a fallback path to
> return clk_get_sys() if the named clock wasn't found in DT. That's
> nice.
>
> Looks good to me.

Yes, I didn't know either until recently. Thanks!

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