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Fri, 14 Dec 2018 01:59:01 -0500 (EST) Date: Fri, 14 Dec 2018 07:59:00 +0100 From: Greg KH To: Krzysztof Kozlowski Subject: Re: [PATCH] ARM: dts: exynos: Specify I2S assigned clocks in proper node Message-ID: <20181214065900.GA22664@kroah.com> References: <20181212175744.8287-1-s.nawrocki@samsung.com> <20181213205656.GA799@kozik-lap> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20181213205656.GA799@kozik-lap> User-Agent: Mutt/1.11.1 (2018-12-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181213_225922_778743_3B4CD474 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, robh+dt@kernel.org, Sylwester Nawrocki , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Dec 13, 2018 at 09:56:56PM +0100, Krzysztof Kozlowski wrote: > On Wed, Dec 12, 2018 at 06:57:44PM +0100, Sylwester Nawrocki wrote: > > The assigned parent clocks should be normally specified in the consumer > > device's DT node, this ensures respective driver always sees correct clock > > settings when required. > > > > This patch fixes regression in audio subsystem on Odroid XU3/XU4 boards > > that appeared after commits: > > > > 'commit 647d04f8e07a ("ASoC: samsung: i2s: Ensure the RCLK rate is properly determined")' > > 'commit 995e73e55f46 ("ASoC: samsung: i2s: Fix rclk_srcrate handling")' > > 'commit 48279c53fd1d ("ASoC: samsung: i2s: Prevent external abort on exynos5433 I2S1 access")' > > > > Without this patch the driver gets wrong clock as the I2S function (op_clk) > > clock in probe() and effectively the clock which is finally assigned from DT > > is not being enabled/disabled in the runtime resume/suspend ops. > > > > Without the above listed commits the EXYNOS_I2S_BUS clock was always set > > as parent of CLK_I2S_RCLK_SRC regardless of DT settings so there was no issue > > with not enabled EXYNOS_SCLK_I2S. > > > > Cc: stable@vger.kernel.org # v4.17+ > > I gues your format would work (got recognized by stable scripts) but > strictly speaking format is different: > > Cc: # 4.17.x > > https://elixir.bootlin.com/linux/latest/source/Documentation/process/stable-kernel-rules.rst#L127 Either works just fine, my scripts have to be a bit flexible due to all of the odd ways people like to tag things here... thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel