From: Ulf Hansson <ulf.hansson@linaro.org> To: "Rafael J . Wysocki" <rafael@kernel.org>, linux-pm@vger.kernel.org Cc: Ulf Hansson <ulf.hansson@linaro.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Viresh Kumar <viresh.kumar@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>, Kevin Hilman <khilman@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Bjorn Andersson <andersson@kernel.org>, Nikunj Kela <nkela@quicinc.com>, Prasad Sodagudi <psodagud@quicinc.com>, Stephan Gerhold <stephan@gerhold.net>, Ben Horgan <Ben.Horgan@arm.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-remoteproc@vger.kernel.org, linux-media@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Daniel Baluta <daniel.baluta@nxp.com>, Iuliana Prodan <iuliana.prodan@nxp.com>, Mathieu Poirier <mathieu.poirier@linaro.org> Subject: [PATCH v3 3/5] remoteproc: imx_rproc: Convert to dev_pm_domain_attach|detach_list() Date: Tue, 30 Jan 2024 13:39:49 +0100 [thread overview] Message-ID: <20240130123951.236243-4-ulf.hansson@linaro.org> (raw) In-Reply-To: <20240130123951.236243-1-ulf.hansson@linaro.org> Let's avoid the boilerplate code to manage the multiple PM domain case, by converting into using dev_pm_domain_attach|detach_list(). Cc: Bjorn Andersson <andersson@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Daniel Baluta <daniel.baluta@nxp.com> Cc: <linux-remoteproc@vger.kernel.org> Tested-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- Changes in v3: - Added reviewed-by and tested-by tags. Changes in v2: - None. --- drivers/remoteproc/imx_rproc.c | 73 +++++----------------------------- 1 file changed, 9 insertions(+), 64 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 8bb293b9f327..3161f14442bc 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -92,7 +92,6 @@ struct imx_rproc_mem { static int imx_rproc_xtr_mbox_init(struct rproc *rproc); static void imx_rproc_free_mbox(struct rproc *rproc); -static int imx_rproc_detach_pd(struct rproc *rproc); struct imx_rproc { struct device *dev; @@ -113,10 +112,8 @@ struct imx_rproc { u32 rproc_pt; /* partition id */ u32 rsrc_id; /* resource id */ u32 entry; /* cpu start address */ - int num_pd; u32 core_index; - struct device **pd_dev; - struct device_link **pd_dev_link; + struct dev_pm_domain_list *pd_list; }; static const struct imx_rproc_att imx_rproc_att_imx93[] = { @@ -853,7 +850,7 @@ static void imx_rproc_put_scu(struct rproc *rproc) return; if (imx_sc_rm_is_resource_owned(priv->ipc_handle, priv->rsrc_id)) { - imx_rproc_detach_pd(rproc); + dev_pm_domain_detach_list(priv->pd_list); return; } @@ -880,72 +877,20 @@ static int imx_rproc_partition_notify(struct notifier_block *nb, static int imx_rproc_attach_pd(struct imx_rproc *priv) { struct device *dev = priv->dev; - int ret, i; - - /* - * If there is only one power-domain entry, the platform driver framework - * will handle it, no need handle it in this driver. - */ - priv->num_pd = of_count_phandle_with_args(dev->of_node, "power-domains", - "#power-domain-cells"); - if (priv->num_pd <= 1) - return 0; - - priv->pd_dev = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev), GFP_KERNEL); - if (!priv->pd_dev) - return -ENOMEM; - - priv->pd_dev_link = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev_link), - GFP_KERNEL); - - if (!priv->pd_dev_link) - return -ENOMEM; - - for (i = 0; i < priv->num_pd; i++) { - priv->pd_dev[i] = dev_pm_domain_attach_by_id(dev, i); - if (IS_ERR(priv->pd_dev[i])) { - ret = PTR_ERR(priv->pd_dev[i]); - goto detach_pd; - } - - priv->pd_dev_link[i] = device_link_add(dev, priv->pd_dev[i], DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (!priv->pd_dev_link[i]) { - dev_pm_domain_detach(priv->pd_dev[i], false); - ret = -EINVAL; - goto detach_pd; - } - } - - return 0; - -detach_pd: - while (--i >= 0) { - device_link_del(priv->pd_dev_link[i]); - dev_pm_domain_detach(priv->pd_dev[i], false); - } - - return ret; -} - -static int imx_rproc_detach_pd(struct rproc *rproc) -{ - struct imx_rproc *priv = rproc->priv; - int i; + int ret; + struct dev_pm_domain_attach_data pd_data = { + .pd_flags = PD_FLAG_DEV_LINK_ON, + }; /* * If there is only one power-domain entry, the platform driver framework * will handle it, no need handle it in this driver. */ - if (priv->num_pd <= 1) + if (dev->pm_domain) return 0; - for (i = 0; i < priv->num_pd; i++) { - device_link_del(priv->pd_dev_link[i]); - dev_pm_domain_detach(priv->pd_dev[i], false); - } - - return 0; + ret = dev_pm_domain_attach_list(dev, &pd_data, &priv->pd_list); + return ret < 0 ? ret : 0; } static int imx_rproc_detect_mode(struct imx_rproc *priv) -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Ulf Hansson <ulf.hansson@linaro.org> To: "Rafael J . Wysocki" <rafael@kernel.org>, linux-pm@vger.kernel.org Cc: Ulf Hansson <ulf.hansson@linaro.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Viresh Kumar <viresh.kumar@linaro.org>, Sudeep Holla <sudeep.holla@arm.com>, Kevin Hilman <khilman@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Bjorn Andersson <andersson@kernel.org>, Nikunj Kela <nkela@quicinc.com>, Prasad Sodagudi <psodagud@quicinc.com>, Stephan Gerhold <stephan@gerhold.net>, Ben Horgan <Ben.Horgan@arm.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-remoteproc@vger.kernel.org, linux-media@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Daniel Baluta <daniel.baluta@nxp.com>, Iuliana Prodan <iuliana.prodan@nxp.com>, Mathieu Poirier <mathieu.poirier@linaro.org> Subject: [PATCH v3 3/5] remoteproc: imx_rproc: Convert to dev_pm_domain_attach|detach_list() Date: Tue, 30 Jan 2024 13:39:49 +0100 [thread overview] Message-ID: <20240130123951.236243-4-ulf.hansson@linaro.org> (raw) In-Reply-To: <20240130123951.236243-1-ulf.hansson@linaro.org> Let's avoid the boilerplate code to manage the multiple PM domain case, by converting into using dev_pm_domain_attach|detach_list(). Cc: Bjorn Andersson <andersson@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Daniel Baluta <daniel.baluta@nxp.com> Cc: <linux-remoteproc@vger.kernel.org> Tested-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- Changes in v3: - Added reviewed-by and tested-by tags. Changes in v2: - None. --- drivers/remoteproc/imx_rproc.c | 73 +++++----------------------------- 1 file changed, 9 insertions(+), 64 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 8bb293b9f327..3161f14442bc 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -92,7 +92,6 @@ struct imx_rproc_mem { static int imx_rproc_xtr_mbox_init(struct rproc *rproc); static void imx_rproc_free_mbox(struct rproc *rproc); -static int imx_rproc_detach_pd(struct rproc *rproc); struct imx_rproc { struct device *dev; @@ -113,10 +112,8 @@ struct imx_rproc { u32 rproc_pt; /* partition id */ u32 rsrc_id; /* resource id */ u32 entry; /* cpu start address */ - int num_pd; u32 core_index; - struct device **pd_dev; - struct device_link **pd_dev_link; + struct dev_pm_domain_list *pd_list; }; static const struct imx_rproc_att imx_rproc_att_imx93[] = { @@ -853,7 +850,7 @@ static void imx_rproc_put_scu(struct rproc *rproc) return; if (imx_sc_rm_is_resource_owned(priv->ipc_handle, priv->rsrc_id)) { - imx_rproc_detach_pd(rproc); + dev_pm_domain_detach_list(priv->pd_list); return; } @@ -880,72 +877,20 @@ static int imx_rproc_partition_notify(struct notifier_block *nb, static int imx_rproc_attach_pd(struct imx_rproc *priv) { struct device *dev = priv->dev; - int ret, i; - - /* - * If there is only one power-domain entry, the platform driver framework - * will handle it, no need handle it in this driver. - */ - priv->num_pd = of_count_phandle_with_args(dev->of_node, "power-domains", - "#power-domain-cells"); - if (priv->num_pd <= 1) - return 0; - - priv->pd_dev = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev), GFP_KERNEL); - if (!priv->pd_dev) - return -ENOMEM; - - priv->pd_dev_link = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev_link), - GFP_KERNEL); - - if (!priv->pd_dev_link) - return -ENOMEM; - - for (i = 0; i < priv->num_pd; i++) { - priv->pd_dev[i] = dev_pm_domain_attach_by_id(dev, i); - if (IS_ERR(priv->pd_dev[i])) { - ret = PTR_ERR(priv->pd_dev[i]); - goto detach_pd; - } - - priv->pd_dev_link[i] = device_link_add(dev, priv->pd_dev[i], DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (!priv->pd_dev_link[i]) { - dev_pm_domain_detach(priv->pd_dev[i], false); - ret = -EINVAL; - goto detach_pd; - } - } - - return 0; - -detach_pd: - while (--i >= 0) { - device_link_del(priv->pd_dev_link[i]); - dev_pm_domain_detach(priv->pd_dev[i], false); - } - - return ret; -} - -static int imx_rproc_detach_pd(struct rproc *rproc) -{ - struct imx_rproc *priv = rproc->priv; - int i; + int ret; + struct dev_pm_domain_attach_data pd_data = { + .pd_flags = PD_FLAG_DEV_LINK_ON, + }; /* * If there is only one power-domain entry, the platform driver framework * will handle it, no need handle it in this driver. */ - if (priv->num_pd <= 1) + if (dev->pm_domain) return 0; - for (i = 0; i < priv->num_pd; i++) { - device_link_del(priv->pd_dev_link[i]); - dev_pm_domain_detach(priv->pd_dev[i], false); - } - - return 0; + ret = dev_pm_domain_attach_list(dev, &pd_data, &priv->pd_list); + return ret < 0 ? ret : 0; } static int imx_rproc_detect_mode(struct imx_rproc *priv) -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-01-30 12:40 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-30 12:39 [PATCH v3 0/5] PM: domains: Add helpers for multi PM domains to avoid open-coding Ulf Hansson 2024-01-30 12:39 ` Ulf Hansson 2024-01-30 12:39 ` [PATCH v3 1/5] PM: domains: Add helper functions to attach/detach multiple PM domains Ulf Hansson 2024-01-30 12:39 ` Ulf Hansson 2024-01-30 12:39 ` [PATCH v3 2/5] remoteproc: imx_dsp_rproc: Convert to dev_pm_domain_attach|detach_list() Ulf Hansson 2024-01-30 12:39 ` Ulf Hansson 2024-01-30 12:39 ` Ulf Hansson [this message] 2024-01-30 12:39 ` [PATCH v3 3/5] remoteproc: imx_rproc: " Ulf Hansson 2024-01-30 12:39 ` [PATCH v3 4/5] remoteproc: qcom_q6v5_adsp: " Ulf Hansson 2024-01-30 12:39 ` Ulf Hansson 2024-01-30 12:39 ` [PATCH v3 5/5] media: venus: Convert to dev_pm_domain_attach|detach_list() for vcodec Ulf Hansson 2024-01-30 12:39 ` Ulf Hansson 2024-02-07 11:39 ` [PATCH v3 0/5] PM: domains: Add helpers for multi PM domains to avoid open-coding Ulf Hansson 2024-02-07 11:39 ` Ulf Hansson
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