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[94.254.63.18]) by smtp.gmail.com with ESMTPSA id a9-20020a05651c030900b0026ddd41aecasm1998617ljp.135.2022.10.18.08.29.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Oct 2022 08:29:02 -0700 (PDT) From: Ulf Hansson To: Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: Dmitry Baryshkov , Maulik Shah , Rajendra Nayak , Sudeep Holla , Amit Pundir , Ulf Hansson , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 5/6] soc: qcom: rpmh-rsc: Save base address of drv Date: Tue, 18 Oct 2022 17:28:36 +0200 Message-Id: <20221018152837.619426-6-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221018152837.619426-1-ulf.hansson@linaro.org> References: <20221018152837.619426-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Maulik Shah Add changes to save drv's base address for rsc. This is used to read drv's configuration such as solver mode is supported or to write into CONTROL_TCS registers. Signed-off-by: Maulik Shah Reviewed-by: Ulf Hansson Tested-by: Dmitry Baryshkov # SM8450 --- drivers/soc/qcom/rpmh-internal.h | 2 ++ drivers/soc/qcom/rpmh-rsc.c | 18 ++++++++---------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/soc/qcom/rpmh-internal.h b/drivers/soc/qcom/rpmh-inter= nal.h index cd3d6ce137e3..7866bb1e5361 100644 --- a/drivers/soc/qcom/rpmh-internal.h +++ b/drivers/soc/qcom/rpmh-internal.h @@ -91,6 +91,7 @@ struct rpmh_ctrlr { * Resource State Coordinator controller (RSC) * * @name: Controller identifier. + * @base: Start address of the DRV registers in this control= ler. * @tcs_base: Start address of the TCS registers in this control= ler. * @id: Instance id in the controller (Direct Resource Vot= er). * @num_tcs: Number of TCSes in this DRV. @@ -114,6 +115,7 @@ struct rpmh_ctrlr { */ struct rsc_drv { const char *name; + void __iomem *base; void __iomem *tcs_base; int id; int num_tcs; diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index 050b5f5c9f62..8e01697f59af 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -881,8 +881,7 @@ static int rpmh_rsc_pd_attach(struct rsc_drv *drv, stru= ct device *dev) return ret; } =20 -static int rpmh_probe_tcs_config(struct platform_device *pdev, - struct rsc_drv *drv, void __iomem *base) +static int rpmh_probe_tcs_config(struct platform_device *pdev, struct rsc_= drv *drv) { struct tcs_type_config { u32 type; @@ -896,9 +895,9 @@ static int rpmh_probe_tcs_config(struct platform_device= *pdev, ret =3D of_property_read_u32(dn, "qcom,tcs-offset", &offset); if (ret) return ret; - drv->tcs_base =3D base + offset; + drv->tcs_base =3D drv->base + offset; =20 - config =3D readl_relaxed(base + DRV_PRNT_CHLD_CONFIG); + config =3D readl_relaxed(drv->base + DRV_PRNT_CHLD_CONFIG); =20 max_tcs =3D config; max_tcs &=3D DRV_NUM_TCS_MASK << (DRV_NUM_TCS_SHIFT * drv->id); @@ -960,7 +959,6 @@ static int rpmh_rsc_probe(struct platform_device *pdev) char drv_id[10] =3D {0}; int ret, irq; u32 solver_config; - void __iomem *base; =20 /* * Even though RPMh doesn't directly use cmd-db, all of its children @@ -987,11 +985,11 @@ static int rpmh_rsc_probe(struct platform_device *pde= v) drv->name =3D dev_name(&pdev->dev); =20 snprintf(drv_id, ARRAY_SIZE(drv_id), "drv-%d", drv->id); - base =3D devm_platform_ioremap_resource_byname(pdev, drv_id); - if (IS_ERR(base)) - return PTR_ERR(base); + drv->base =3D devm_platform_ioremap_resource_byname(pdev, drv_id); + if (IS_ERR(drv->base)) + return PTR_ERR(drv->base); =20 - ret =3D rpmh_probe_tcs_config(pdev, drv, base); + ret =3D rpmh_probe_tcs_config(pdev, drv); if (ret) return ret; =20 @@ -1014,7 +1012,7 @@ static int rpmh_rsc_probe(struct platform_device *pde= v) * 'HW solver' mode where they can be in autonomous mode executing low * power mode to power down. */ - solver_config =3D readl_relaxed(base + DRV_SOLVER_CONFIG); + solver_config =3D readl_relaxed(drv->base + DRV_SOLVER_CONFIG); solver_config &=3D DRV_HW_SOLVER_MASK << DRV_HW_SOLVER_SHIFT; solver_config =3D solver_config >> DRV_HW_SOLVER_SHIFT; if (!solver_config) { --=20 2.34.1