From: Andrew Davis <afd@ti.com> To: Sebastian Reichel <sre@kernel.org>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Cristian Ciocaltea <cristian.ciocaltea@gmail.com>, Florian Fainelli <florian.fainelli@broadcom.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Sean Wang <sean.wang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: <linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-actions@lists.infradead.org>, <linux-arm-msm@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, Andrew Davis <afd@ti.com> Subject: [PATCH 18/18] power: reset: syscon-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:01:02 -0600 [thread overview] Message-ID: <20240201180102.70395-19-afd@ti.com> (raw) In-Reply-To: <20240201180102.70395-1-afd@ti.com> Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis <afd@ti.com> --- drivers/power/reset/syscon-poweroff.c | 34 ++++++++++++--------------- 1 file changed, 15 insertions(+), 19 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/syscon-poweroff.c index 4899a019256e8..203936f4c544f 100644 --- a/drivers/power/reset/syscon-poweroff.c +++ b/drivers/power/reset/syscon-poweroff.c @@ -13,6 +13,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/reboot.h> #include <linux/regmap.h> struct syscon_poweroff_data { @@ -22,23 +23,30 @@ struct syscon_poweroff_data { u32 mask; }; -static struct syscon_poweroff_data *data; - -static void syscon_poweroff(void) +static int syscon_poweroff(struct sys_off_data *off_data) { + struct syscon_poweroff_data *data = off_data->cb_data; + /* Issue the poweroff */ regmap_update_bits(data->map, data->offset, data->mask, data->value); mdelay(1000); pr_emerg("Unable to poweroff system\n"); + + return NOTIFY_DONE; } static int syscon_poweroff_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct syscon_poweroff_data *data; int mask_err, value_err; + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + data->map = syscon_regmap_lookup_by_phandle(dev->of_node, "regmap"); if (IS_ERR(data->map)) { data->map = syscon_node_to_regmap(dev->parent->of_node); @@ -69,21 +77,10 @@ static int syscon_poweroff_probe(struct platform_device *pdev) data->mask = 0xFFFFFFFF; } - if (pm_power_off) { - dev_err(dev, "pm_power_off already claimed for %ps", - pm_power_off); - return -EBUSY; - } - - pm_power_off = syscon_poweroff; - - return 0; -} - -static void syscon_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off == syscon_poweroff) - pm_power_off = NULL; + return devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + syscon_poweroff, data); } static const struct of_device_id syscon_poweroff_of_match[] = { @@ -93,7 +90,6 @@ static const struct of_device_id syscon_poweroff_of_match[] = { static struct platform_driver syscon_poweroff_driver = { .probe = syscon_poweroff_probe, - .remove_new = syscon_poweroff_remove, .driver = { .name = "syscon-poweroff", .of_match_table = syscon_poweroff_of_match, -- 2.39.2
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Davis <afd@ti.com> To: Sebastian Reichel <sre@kernel.org>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Cristian Ciocaltea <cristian.ciocaltea@gmail.com>, Florian Fainelli <florian.fainelli@broadcom.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Sean Wang <sean.wang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: <linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-actions@lists.infradead.org>, <linux-arm-msm@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, Andrew Davis <afd@ti.com> Subject: [PATCH 18/18] power: reset: syscon-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Thu, 1 Feb 2024 12:01:02 -0600 [thread overview] Message-ID: <20240201180102.70395-19-afd@ti.com> (raw) In-Reply-To: <20240201180102.70395-1-afd@ti.com> Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis <afd@ti.com> --- drivers/power/reset/syscon-poweroff.c | 34 ++++++++++++--------------- 1 file changed, 15 insertions(+), 19 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/syscon-poweroff.c index 4899a019256e8..203936f4c544f 100644 --- a/drivers/power/reset/syscon-poweroff.c +++ b/drivers/power/reset/syscon-poweroff.c @@ -13,6 +13,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/reboot.h> #include <linux/regmap.h> struct syscon_poweroff_data { @@ -22,23 +23,30 @@ struct syscon_poweroff_data { u32 mask; }; -static struct syscon_poweroff_data *data; - -static void syscon_poweroff(void) +static int syscon_poweroff(struct sys_off_data *off_data) { + struct syscon_poweroff_data *data = off_data->cb_data; + /* Issue the poweroff */ regmap_update_bits(data->map, data->offset, data->mask, data->value); mdelay(1000); pr_emerg("Unable to poweroff system\n"); + + return NOTIFY_DONE; } static int syscon_poweroff_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct syscon_poweroff_data *data; int mask_err, value_err; + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + data->map = syscon_regmap_lookup_by_phandle(dev->of_node, "regmap"); if (IS_ERR(data->map)) { data->map = syscon_node_to_regmap(dev->parent->of_node); @@ -69,21 +77,10 @@ static int syscon_poweroff_probe(struct platform_device *pdev) data->mask = 0xFFFFFFFF; } - if (pm_power_off) { - dev_err(dev, "pm_power_off already claimed for %ps", - pm_power_off); - return -EBUSY; - } - - pm_power_off = syscon_poweroff; - - return 0; -} - -static void syscon_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off == syscon_poweroff) - pm_power_off = NULL; + return devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + syscon_poweroff, data); } static const struct of_device_id syscon_poweroff_of_match[] = { @@ -93,7 +90,6 @@ static const struct of_device_id syscon_poweroff_of_match[] = { static struct platform_driver syscon_poweroff_driver = { .probe = syscon_poweroff_probe, - .remove_new = syscon_poweroff_remove, .driver = { .name = "syscon-poweroff", .of_match_table = syscon_poweroff_of_match, -- 2.39.2 _______________________________________________ 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:[~2024-02-01 18:01 UTC|newest] Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-02-01 18:00 [PATCH 00/18] Remove pm_power_off use in drivers/power/reset Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 01/18] power: reset: atc260x-poweroff: Use devm_register_sys_off_handler(RESTART) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 02/18] power: reset: atc260x-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 03/18] power: reset: xgene-reboot: Use devm_register_sys_off_handler(RESTART) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 04/18] power: reset: tps65086-restart: " Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 05/18] power: reset: tps65086-restart: Remove unneeded device data struct Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 06/18] power: reset: brcm-kona-reset: Use devm_register_sys_off_handler(RESTART) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-02 15:42 ` kernel test robot 2024-02-02 15:42 ` kernel test robot 2024-02-01 18:00 ` [PATCH 07/18] power: reset: axxia-reset: " Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 08/18] power: reset: rmobile-reset: Use devm_platform_ioremap_resource() helper Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 09/18] power: reset: rmobile-reset: Use devm_register_sys_off_handler(RESTART) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-03 4:20 ` kernel test robot 2024-02-03 4:20 ` kernel test robot 2024-02-01 18:00 ` [PATCH 10/18] power: reset: mt6323-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 11/18] power: reset: msm-poweroff: " Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 12/18] power: reset: msm-poweroff: Use devm_register_sys_off_handler(RESTART) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 13/18] power: reset: regulator-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 14/18] power: reset: as3722-poweroff: " Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:00 ` [PATCH 15/18] power: reset: gemini-poweroff: " Andrew Davis 2024-02-01 18:00 ` Andrew Davis 2024-02-01 18:01 ` [PATCH 16/18] power: reset: restart-poweroff: " Andrew Davis 2024-02-01 18:01 ` Andrew Davis 2024-02-01 18:01 ` [PATCH 17/18] power: reset: syscon-poweroff: Move device data into a struct Andrew Davis 2024-02-01 18:01 ` Andrew Davis 2024-02-01 18:01 ` Andrew Davis [this message] 2024-02-01 18:01 ` [PATCH 18/18] power: reset: syscon-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Andrew Davis
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