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[83.9.29.16]) by smtp.gmail.com with ESMTPSA id u7-20020ac243c7000000b004dc4d26c324sm2467479lfl.143.2023.03.08.13.35.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Mar 2023 13:35:40 -0800 (PST) From: Konrad Dybcio Date: Wed, 08 Mar 2023 22:35:19 +0100 Subject: [PATCH RFT v2 03/14] clk: qcom: smd-rpm: Add .is_prepared hook MIME-Version: 1.0 Message-Id: <20230303-topic-rpmcc_sleep-v2-3-ae80a325fe94@linaro.org> References: <20230303-topic-rpmcc_sleep-v2-0-ae80a325fe94@linaro.org> In-Reply-To: <20230303-topic-rpmcc_sleep-v2-0-ae80a325fe94@linaro.org> To: Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , devicetree@vger.kernel.org, Konrad Dybcio , Shawn Guo X-Mailer: b4 0.12.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1678311334; l=1482; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=IcjgjHunD3zMZaFeCfHoL5cnPI0PmUW34gmf6fJPVyQ=; b=XRRU/aPY7IT5XMd/T58u1InRETQd/B3Yhxj0yGAMrEQOfmdVugwndUVxyE9RQFkJpxKP4wWNbu/N yGcVWciwAl1WH/YY2FamRSLaf5lO4N4wNpnx5oA33Np6wonJwq7K X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_HTTP,RCVD_IN_SORBS_SOCKS,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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?1759837085803508948?= X-GMAIL-MSGID: =?utf-8?q?1759837085803508948?= From: Shawn Guo The RPM clocks are enabled/disabled through clk framework prepare/unprepare hooks. Without .is_prepared hook, those unused RPM clocks will not be disabled by core function clk_unprepare_unused_subtree(), because clk_core_is_prepared() always returns 0. Add .is_prepared hook to clk_ops and return the clock prepare (enable) state, so that those unused RPM clocks can be disabled by clk framework. Signed-off-by: Shawn Guo [Konrad: rebase, don't duplicate the enable func] Signed-off-by: Konrad Dybcio --- drivers/clk/qcom/clk-smd-rpm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c index ecacfbc4a16c..cce7daa97c1e 100644 --- a/drivers/clk/qcom/clk-smd-rpm.c +++ b/drivers/clk/qcom/clk-smd-rpm.c @@ -438,6 +438,7 @@ static const struct clk_ops clk_smd_rpm_ops = { .round_rate = clk_smd_rpm_round_rate, .recalc_rate = clk_smd_rpm_recalc_rate, .is_enabled = clk_smd_rpm_is_enabled, + .is_prepared = clk_smd_rpm_is_enabled, }; static const struct clk_ops clk_smd_rpm_branch_ops = { @@ -445,6 +446,7 @@ static const struct clk_ops clk_smd_rpm_branch_ops = { .unprepare = clk_smd_rpm_unprepare, .recalc_rate = clk_smd_rpm_recalc_rate, .is_enabled = clk_smd_rpm_is_enabled, + .is_prepared = clk_smd_rpm_is_enabled, }; DEFINE_CLK_SMD_RPM_BRANCH_A(bi_tcxo, QCOM_SMD_RPM_MISC_CLK, 0, 19200000);