From: Dong Aisheng <aisheng.dong@nxp.com> To: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, sboyd@kernel.org, mturquette@baylibre.com, shawnguo@kernel.org, fabio.estevam@nxp.com, linux-imx@nxp.com, kernel@pengutronix.de, Dong Aisheng <aisheng.dong@nxp.com> Subject: [PATCH V5 10/11] clk: imx: clk-imx8qxp-lpcg: add runtime pm support Date: Mon, 9 Sep 2019 22:10:07 -0400 [thread overview] Message-ID: <1568081408-26800-11-git-send-email-aisheng.dong@nxp.com> (raw) In-Reply-To: <1568081408-26800-1-git-send-email-aisheng.dong@nxp.com> add runtime pm support Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> --- ChangeLog: v4->v5: * no changes v3->v4: * disable rpm when error out v3: new patch --- drivers/clk/imx/clk-imx8qxp-lpcg.c | 34 +++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c index 31efc7a..f395eb5 100644 --- a/drivers/clk/imx/clk-imx8qxp-lpcg.c +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c @@ -12,6 +12,7 @@ #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include "clk-scu.h" @@ -231,26 +232,45 @@ static int imx_lpcg_parse_clks_from_dt(struct platform_device *pdev, return -EINVAL; } + pm_runtime_get_noresume(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 500); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); + for (i = 0; i < count; i++) { idx = bit_offset[i] / 4; if (idx > IMX_LPCG_MAX_CLKS) { dev_warn(&pdev->dev, "invalid bit offset of clock %d\n", i); - return -EINVAL; + ret = -EINVAL; + goto out; } - clk_hws[idx] = imx_clk_lpcg_scu(output_names[i], - parent_names[i], 0, base, - bit_offset[i], false); + clk_hws[idx] = imx_clk_lpcg_scu_dev(&pdev->dev, output_names[i], + parent_names[i], 0, base, + bit_offset[i], false); if (IS_ERR(clk_hws[idx])) { dev_warn(&pdev->dev, "failed to register clock %d\n", idx); - return -EINVAL; + ret = -EINVAL; + goto out; } } - return devm_of_clk_add_hw_provider(&pdev->dev, imx_lpcg_of_clk_src_get, - clk_data); + ret = devm_of_clk_add_hw_provider(&pdev->dev, imx_lpcg_of_clk_src_get, + clk_data); + if (ret) + goto out; + + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + + return 0; + +out: + pm_runtime_disable(&pdev->dev); + return ret; } static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev) -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Dong Aisheng <aisheng.dong@nxp.com> To: linux-clk@vger.kernel.org Cc: Dong Aisheng <aisheng.dong@nxp.com>, sboyd@kernel.org, mturquette@baylibre.com, linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH V5 10/11] clk: imx: clk-imx8qxp-lpcg: add runtime pm support Date: Mon, 9 Sep 2019 22:10:07 -0400 [thread overview] Message-ID: <1568081408-26800-11-git-send-email-aisheng.dong@nxp.com> (raw) In-Reply-To: <1568081408-26800-1-git-send-email-aisheng.dong@nxp.com> add runtime pm support Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> --- ChangeLog: v4->v5: * no changes v3->v4: * disable rpm when error out v3: new patch --- drivers/clk/imx/clk-imx8qxp-lpcg.c | 34 +++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c index 31efc7a..f395eb5 100644 --- a/drivers/clk/imx/clk-imx8qxp-lpcg.c +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c @@ -12,6 +12,7 @@ #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include "clk-scu.h" @@ -231,26 +232,45 @@ static int imx_lpcg_parse_clks_from_dt(struct platform_device *pdev, return -EINVAL; } + pm_runtime_get_noresume(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 500); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); + for (i = 0; i < count; i++) { idx = bit_offset[i] / 4; if (idx > IMX_LPCG_MAX_CLKS) { dev_warn(&pdev->dev, "invalid bit offset of clock %d\n", i); - return -EINVAL; + ret = -EINVAL; + goto out; } - clk_hws[idx] = imx_clk_lpcg_scu(output_names[i], - parent_names[i], 0, base, - bit_offset[i], false); + clk_hws[idx] = imx_clk_lpcg_scu_dev(&pdev->dev, output_names[i], + parent_names[i], 0, base, + bit_offset[i], false); if (IS_ERR(clk_hws[idx])) { dev_warn(&pdev->dev, "failed to register clock %d\n", idx); - return -EINVAL; + ret = -EINVAL; + goto out; } } - return devm_of_clk_add_hw_provider(&pdev->dev, imx_lpcg_of_clk_src_get, - clk_data); + ret = devm_of_clk_add_hw_provider(&pdev->dev, imx_lpcg_of_clk_src_get, + clk_data); + if (ret) + goto out; + + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + + return 0; + +out: + pm_runtime_disable(&pdev->dev); + return ret; } static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev) -- 2.7.4 _______________________________________________ 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:[~2019-09-09 14:11 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-09-10 2:09 [PATCH V5 00/11] clk: imx8: add new clock binding for better pm support Dong Aisheng 2019-09-10 2:09 ` Dong Aisheng 2019-09-09 14:19 ` Aisheng Dong 2019-09-09 14:19 ` Aisheng Dong 2019-09-10 2:09 ` [PATCH V5 01/11] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree Dong Aisheng 2019-09-10 2:09 ` Dong Aisheng 2019-09-10 2:09 ` Dong Aisheng 2019-09-10 2:09 ` [PATCH V5 02/11] dt-bindings: clock: imx-lpcg: add support " Dong Aisheng 2019-09-10 2:09 ` Dong Aisheng 2019-09-10 2:09 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 03/11] clk: imx: scu: add two cells binding support Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 04/11] clk: imx: scu: bypass cpu power domains Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 05/11] clk: imx: scu: allow scu clk to take device pointer Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 06/11] clk: imx: scu: add runtime pm support Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 07/11] clk: imx: scu: add suspend/resume support Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 08/11] clk: imx: imx8qxp-lpcg: add parsing clocks from device tree Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 09/11] clk: imx: lpcg: allow lpcg clk to take device pointer Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng [this message] 2019-09-10 2:10 ` [PATCH V5 10/11] clk: imx: clk-imx8qxp-lpcg: add runtime pm support Dong Aisheng 2019-09-10 2:10 ` [PATCH V5 11/11] clk: imx: lpcg: add suspend/resume support Dong Aisheng 2019-09-10 2:10 ` Dong Aisheng 2019-09-18 6:08 ` [PATCH V5 00/11] clk: imx8: add new clock binding for better pm support Stephen Boyd 2019-09-18 6:08 ` Stephen Boyd 2019-11-17 12:31 ` Dong Aisheng 2019-11-17 12:31 ` Dong Aisheng 2020-01-06 9:29 ` Daniel Baluta 2020-01-06 9:29 ` Daniel Baluta 2019-11-14 12:22 ` Oliver Graute 2019-11-14 12:22 ` Oliver Graute 2019-11-17 12:14 ` Dong Aisheng 2019-11-17 12:14 ` Dong Aisheng
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