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Mon, 24 Jun 2019 15:59:19 +0900 (KST) Mime-Version: 1.0 Subject: Re: [PATCH v4 13/16] PM / devfreq: tegra: Support Tegra30 Reply-To: myungjoo.ham@samsung.com From: MyungJoo Ham To: "digetx@gmail.com" , "janathanh@nvidia.com" , Chanwoo Choi CC: "linux-pm@vger.kernel.org" , "linux-tegra@vger.kernel.org" , "linux-kernel@vger.kernel.org" X-Priority: 3 X-Content-Kind-Code: NORMAL X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <20190624065919epcms1p1a366de5f455f5138c438d1da8151c12f@epcms1p1> Date: Mon, 24 Jun 2019 15:59:19 +0900 X-CMS-MailID: 20190624065919epcms1p1a366de5f455f5138c438d1da8151c12f Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE X-CPGSPASS: Y X-CPGSPASS: Y CMS-TYPE: 101P X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjk+LIzCtJLcpLzFFi42LZdlhTV/d4iUCswbwD8hYvD2laXP/ynNVi 9cfHjBYzpv9hsri8aw6bxefeI4wWnV9msTmwe+ycdZfdo7f5HZtH35ZVjB6fN8kFsERl22Sk JqakFimk5iXnp2TmpdsqeQfHO8ebmhkY6hpaWpgrKeQl5qbaKrn4BOi6ZeYAHaCkUJaYUwoU CkgsLlbSt7Mpyi8tSVXIyC8usVVKLUjJKbAs0CtOzC0uzUvXS87PtTI0MDAyBSpMyM6YcGcl Y8FTzorTX1ayNDA+Ye9i5OSQEDCROPRrEyuILSSwg1HiwFH1LkYODl4BQYm/O4RBwsICThLN Py6yQZQoSTTc3McMEdeX6HiwjRHEZhPQldi64S4LiC0i0MAosX2mQxcjFwezwE5GiXdb7kPt 4pWY0f6UBcKWlti+fCsjhC0qcXP1W3YY+/2x+VBxEYnWe2eZIWxBiQc/dzPC9M6Y8h9qTrXE temL2UGWSQi0MEr0rp4CVaQvcWbuSbCreQV8JaZ2/gFrYBFQlfj47THUMheJ/c/ugtUzC8hL bH87hxnkeWYBTYn1u/QhShQldv6eywhzf8PG3+zobGYBPol3X3tYYeI75j1hgrDVJA7tXgJV LyNxevpCqF88JF6c2Mc6gVFxFiKoZyE5YhbCEQsYmVcxiqUWFOempxYbFhghR+4mRnBa1DLb wbjonM8hRgEORiUeXoEN/LFCrIllxZW5hxglOJiVRHiXJgrECvGmJFZWpRblxxeV5qQWH2I0 BYbFRGYp0eR8YMrOK4k3NDUyNja2MDE0MzU0VBLnjee+GSMkkJ5YkpqdmlqQWgTTx8TBKdXA eDxr9sVini0/jlbFZGe9W8Bu9S/HR8j25c2zyudsLH6Kh05Tf/ElovbOFyWryY5aH312Rba1 bz0gL/DjpFHH3Vam2H71hMWHj86f6PJrfY4Cx3Szr0ELhcNZStUMvP9yljy+/LlWuspLk5cr 9Hr/kny9pIeXLuy+/1CFq4W94M+X0DU7jr0xVmIpzkg01GIuKk4EAIGly8ShAwAA DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20190624065919epcms1p1a366de5f455f5138c438d1da8151c12f References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org > On Thu, May 02, 2019 at 02:38:12AM +0300, Dmitry Osipenko wrote: > > The devfreq driver can be used on Tegra30 without any code change and > > it works perfectly fine, the default Tegra124 parameters are good enough > > for Tegra30. > > > > Reviewed-by: Chanwoo Choi > > Signed-off-by: Dmitry Osipenko > > --- > > drivers/devfreq/Kconfig | 4 ++-- > > drivers/devfreq/tegra-devfreq.c | 1 + > > 2 files changed, 3 insertions(+), 2 deletions(-) > > Acked-by: Thierry Reding > > diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig > index 7dd46d4..b291803 100644 > --- a/drivers/devfreq/Kconfig > +++ b/drivers/devfreq/Kconfig > @@ -93,8 +93,8 @@ config ARM_EXYNOS_BUS_DEVFREQ > This does not yet operate with optimal voltages. > > config ARM_TEGRA_DEVFREQ > - tristate "Tegra DEVFREQ Driver" > - depends on ARCH_TEGRA_124_SOC > + tristate "NVIDIA Tegra30/114/124/210 DEVFREQ Driver" > + depends on ARCH_TEGRA > select PM_OPP > help > This adds the DEVFREQ driver for the Tegra family of SoCs. A question: Does this driver support Tegra20 as well? I'm asking this because ARCH_TEGRA includes ARCH_TEGRA_2x_SOC according to /drivers/soc/tegra/Kconfig. Cheers, MyungJoo.