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Date: Thu, 6 Nov 2014 08:43:12 -0800 From: Guenter Roeck <linux@...ck-us.net> To: linux-kernel@...r.kernel.org Cc: linux-pm@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>, David Woodhouse <dwmw2@...radead.org>, Dmitry Eremin-Solenikov <dbaryshkov@...il.com>, Sebastian Reichel <sre@...nel.org> Subject: [PATCH v5 28/48] power/reset: at91-poweroff: Register with kernel power-off handler Register with kernel power-off handler instead of setting pm_power_off directly. Select default priority to reflect that the original code sets pm_power_off unconditionally. Acked-by: Sebastian Reichel <sre@...nel.org> Signed-off-by: Guenter Roeck <linux@...ck-us.net> --- v5: - Rebase to v3.18-rc3 v4: - Do not use notifiers but internal functions and data structures to manage the list of power-off handlers. Drop unused parameters from callbacks, and make the power-off function type void v3: - Replace poweroff in all newly introduced variables and in text with power_off or power-off as appropriate - Replace POWEROFF_PRIORITY_xxx with POWER_OFF_PRIORITY_xxx v2: - Added patch drivers/power/reset/at91-poweroff.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c index c610003..6fc5944 100644 --- a/drivers/power/reset/at91-poweroff.c +++ b/drivers/power/reset/at91-poweroff.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/pm.h> #include <linux/printk.h> #define AT91_SHDW_CR 0x00 /* Shut Down Control Register */ @@ -66,11 +67,16 @@ static void __init at91_wakeup_status(void) pr_info("AT91: Wake-Up source: %s\n", reason); } -static void at91_poweroff(void) +static void at91_poweroff(struct power_off_handler_block *this) { writel(AT91_SHDW_KEY | AT91_SHDW_SHDW, at91_shdwc_base + AT91_SHDW_CR); } +static struct power_off_handler_block at91_power_off_hb = { + .handler = at91_poweroff, + .priority = POWER_OFF_PRIORITY_DEFAULT, +}; + const enum wakeup_type at91_poweroff_get_wakeup_mode(struct device_node *np) { const char *pm; @@ -134,9 +140,7 @@ static int at91_poweroff_probe(struct platform_device *pdev) if (pdev->dev.of_node) at91_poweroff_dt_set_wakeup_mode(pdev); - pm_power_off = at91_poweroff; - - return 0; + return devm_register_power_off_handler(&pdev->dev, &at91_power_off_hb); } static struct of_device_id at91_poweroff_of_match[] = { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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