From: Rafael J. Wysocki rafael.j.wysocki@intel.com
[ Upstream commit 375bbba09692fe4c5218eddee8e312dd733fa846 ]
To reduce code duplication, move the invocation of rtc_wake_setup() into cmos_do_probe() and simplify the callers of the latter.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Reviewed-by: Zhang Rui rui.zhang@intel.com Tested-by: Zhang Rui rui.zhang@intel.com Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Link: https://lore.kernel.org/r/2143522.irdbgypaU6@kreacher Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Stable-dep-of: 83ebb7b3036d ("rtc: cmos: Disable ACPI RTC event on removal") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/rtc/rtc-cmos.c | 28 ++++++++++++---------------- 1 file changed, 12 insertions(+), 16 deletions(-)
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index a84262265d6d..583116994a37 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -744,6 +744,7 @@ static irqreturn_t cmos_interrupt(int irq, void *p) return IRQ_NONE; }
+static inline void rtc_wake_setup(struct device *dev); static void cmos_wake_setup(struct device *dev);
#ifdef CONFIG_PNP @@ -938,6 +939,13 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) nvmem_cfg.size = address_space - NVRAM_OFFSET; devm_rtc_nvmem_register(cmos_rtc.rtc, &nvmem_cfg);
+ /* + * Everything has gone well so far, so by default register a handler for + * the ACPI RTC fixed event. + */ + if (!info) + rtc_wake_setup(dev); + dev_info(dev, "%s%s, %d bytes nvram%s\n", !is_valid_irq(rtc_irq) ? "no alarms" : cmos_rtc.mon_alrm ? "alarms up to one year" : @@ -1357,7 +1365,7 @@ static void rtc_wake_setup(struct device *dev)
static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) { - int irq, ret; + int irq;
if (pnp_port_start(pnp, 0) == 0x70 && !pnp_irq_valid(pnp, 0)) { irq = 0; @@ -1373,13 +1381,7 @@ static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) irq = pnp_irq(pnp, 0); }
- ret = cmos_do_probe(&pnp->dev, pnp_get_resource(pnp, IORESOURCE_IO, 0), irq); - if (ret) - return ret; - - rtc_wake_setup(&pnp->dev); - - return 0; + return cmos_do_probe(&pnp->dev, pnp_get_resource(pnp, IORESOURCE_IO, 0), irq); }
static void cmos_pnp_remove(struct pnp_dev *pnp) @@ -1463,7 +1465,7 @@ static inline void cmos_of_init(struct platform_device *pdev) {} static int __init cmos_platform_probe(struct platform_device *pdev) { struct resource *resource; - int irq, ret; + int irq;
cmos_of_init(pdev);
@@ -1475,13 +1477,7 @@ static int __init cmos_platform_probe(struct platform_device *pdev) if (irq < 0) irq = -1;
- ret = cmos_do_probe(&pdev->dev, resource, irq); - if (ret) - return ret; - - rtc_wake_setup(&pdev->dev); - - return 0; + return cmos_do_probe(&pdev->dev, resource, irq); }
static int cmos_platform_remove(struct platform_device *pdev)