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[93.42.71.18]) by smtp.googlemail.com with ESMTPSA id z14-20020adff74e000000b0022cdb687bf9sm14130285wrp.0.2022.11.08.16.56.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 16:56:37 -0800 (PST) From: Christian Marangi To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Christian Marangi Subject: [PATCH 2/5] clk: qcom: krait-cc: also enable secondary mux and div clk Date: Wed, 9 Nov 2022 01:56:28 +0100 Message-Id: <20221109005631.3189-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221109005631.3189-1-ansuelsmth@gmail.com> References: <20221109005631.3189-1-ansuelsmth@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748978562307422206?= X-GMAIL-MSGID: =?utf-8?q?1748978562307422206?= clk-krait ignore any rate change if clk is not flagged as enabled. Correctly enable the secondary mux and div clk to correctly change rate instead of silently ignoring the request. Signed-off-by: Christian Marangi --- drivers/clk/qcom/krait-cc.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/krait-cc.c b/drivers/clk/qcom/krait-cc.c index c2a261cfeb6a..0e497e69e3e3 100644 --- a/drivers/clk/qcom/krait-cc.c +++ b/drivers/clk/qcom/krait-cc.c @@ -80,6 +80,7 @@ krait_add_div(struct device *dev, int id, const char *s, unsigned int offset) }; const char *p_names[1]; struct clk *clk; + int cpu; div = devm_kzalloc(dev, sizeof(*div), GFP_KERNEL); if (!div) @@ -103,6 +104,17 @@ krait_add_div(struct device *dev, int id, const char *s, unsigned int offset) } clk = devm_clk_register(dev, &div->hw); + if (IS_ERR(clk)) + goto err; + + /* clk-krait ignore any rate change if mux is not flagged as enabled */ + if (id < 0) + for_each_online_cpu(cpu) + clk_prepare_enable(div->hw.clk); + else + clk_prepare_enable(div->hw.clk); + +err: kfree(p_names[0]); kfree(init.name); @@ -113,7 +125,7 @@ static int krait_add_sec_mux(struct device *dev, int id, const char *s, unsigned int offset, bool unique_aux) { - int ret; + int cpu, ret; struct krait_mux_clk *mux; static const char *sec_mux_list[] = { "qsb", @@ -165,6 +177,13 @@ krait_add_sec_mux(struct device *dev, int id, const char *s, if (ret) goto unique_aux; + /* clk-krait ignore any rate change if mux is not flagged as enabled */ + if (id < 0) + for_each_online_cpu(cpu) + clk_prepare_enable(mux->hw.clk); + else + clk_prepare_enable(mux->hw.clk); + unique_aux: if (unique_aux) kfree(sec_mux_list[0]);