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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kishon Vijay Abraham I , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Bartosz Golaszewski Subject: Re: [PATCH 13/26] net: stmmac: dwmac-qcom-ethqos: make the rgmii clock optional Message-ID: <20230612204042.litbbv23zdb3u5k7@halaney-x13s> References: <20230612092355.87937-1-brgl@bgdev.pl> <20230612092355.87937-14-brgl@bgdev.pl> MIME-Version: 1.0 In-Reply-To: <20230612092355.87937-14-brgl@bgdev.pl> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230612_134048_710909_D0DF09C2 X-CRM114-Status: GOOD ( 19.39 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Mon, Jun 12, 2023 at 11:23:42AM +0200, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski > > On sa8775p there's no RGMII clock so make it optional in the driver. > > Signed-off-by: Bartosz Golaszewski > --- > drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c > index 3438b6229351..252dca400071 100644 > --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c > +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c > @@ -663,7 +663,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev) > ethqos->rgmii_config_loopback_en = data->rgmii_config_loopback_en; > ethqos->has_emac3 = data->has_emac3; > > - ethqos->rgmii_clk = devm_clk_get(dev, "rgmii"); > + ethqos->rgmii_clk = devm_clk_get_optional(dev, "rgmii"); This makes it optional for older platforms too, but as far as I know on those platforms it is mandatory. This can be enforced in dt-binding checks, but should we also enforce that in the driver still? Honestly I feel like yes, but there's probably some precedent maintainers follow on this front that I don't know of. > if (IS_ERR(ethqos->rgmii_clk)) { > ret = PTR_ERR(ethqos->rgmii_clk); > goto out_config_dt; > -- > 2.39.2 > -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy