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[212.78.193.212]) by smtp.gmail.com with ESMTPSA id dn22-20020a05640222f600b00532c1dfe8ecsm635878edb.66.2023.09.19.05.46.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Sep 2023 05:46:05 -0700 (PDT) From: Luca Weiss Date: Tue, 19 Sep 2023 14:45:56 +0200 Subject: [PATCH v2 2/7] nvmem: qfprom: Mark core clk as optional MIME-Version: 1.0 Message-Id: <20230919-fp5-initial-v2-2-14bb7cedadf5@fairphone.com> References: <20230919-fp5-initial-v2-0-14bb7cedadf5@fairphone.com> In-Reply-To: <20230919-fp5-initial-v2-0-14bb7cedadf5@fairphone.com> To: cros-qcom-dts-watchers@chromium.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Srinivas Kandagatla , Linus Walleij , "Rafael J. Wysocki" , Viresh Kumar Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.12.3 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On some platforms like sc7280 on non-ChromeOS devices the core clock cannot be touched by Linux so we cannot provide it. Mark it as optional as accessing qfprom for reading works without it but we still prohibit writing if we cannot provide the clock. Signed-off-by: Luca Weiss --- drivers/nvmem/qfprom.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c index 14814cba2dd6..525be03b7bba 100644 --- a/drivers/nvmem/qfprom.c +++ b/drivers/nvmem/qfprom.c @@ -423,12 +423,12 @@ static int qfprom_probe(struct platform_device *pdev) if (IS_ERR(priv->vcc)) return PTR_ERR(priv->vcc); - priv->secclk = devm_clk_get(dev, "core"); + priv->secclk = devm_clk_get_optional(dev, "core"); if (IS_ERR(priv->secclk)) return dev_err_probe(dev, PTR_ERR(priv->secclk), "Error getting clock\n"); - /* Only enable writing if we have SoC data. */ - if (priv->soc_data) + /* Only enable writing if we have SoC data and a valid clock */ + if (priv->soc_data && priv->secclk) econfig.reg_write = qfprom_reg_write; }