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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-03 22:10:01 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-03 22:10:01 +0300
commit3ac684b88148bf132fbf02a133cba9dcfb2e7aa2 (patch)
treeb0186afd1e49040d3e858577fa44ab26035daea9 /drivers/power/reset/gemini-poweroff.c
parent75dcc7ef952af106c1b7051daa591b566632fd30 (diff)
parentfd73a3e618889877d32e338622a363d04d9be709 (diff)
downloadlinux-3ac684b88148bf132fbf02a133cba9dcfb2e7aa2.tar.xz
Merge tag 'for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel: - Microsemi Ocelot reset support - Spreadtrum SC27xx reset support - generic gpio charger: lot's of cleanups - axp20x fuel gauge: add AXP813 support - misc fixes, including one devicetree change for the Nokia N900, that has been Acked-by Tony Lindgren * tag 'for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (27 commits) power: reset: at91-reset: Switch from the pr_*() to the dev_*() logging functions power: reset: at91-poweroff: Remove redundant dev_err call in at91_poweroff_probe() power: reset: at91-poweroff: Switch from the pr_*() to the dev_*() logging functions power: reset: make function sc27xx_poweroff_shutdown static power: supply: da9150-fg: remove VLA usage ARM: dts: omap3-n900: Add link between battery and charger power: supply: bq2415x: add DT referencing support power: supply: bq27xxx: support missing supplier device max17042: propagate of_node to power supply device power: supply: axp288_fuel_gauge: Fix full status reporting power: supply: axp288_fuel_gauge: Do not register FG on ECS EF20EA power: reset: gpio-poweroff: Support for timeout from device property dt-bindings: power: reset: gpio-poweroff: Add 'timeout-ms' property power: reset: Add Spreadtrum SC27xx PMIC power off support power: supply: axp20x_battery: add support for AXP813 dt-bindings: power: supply: axp20x: add AXP813 battery DT binding power: supply: axp20x_battery: use data struct for variant specific code power: supply: gpio-charger: Remove pdata from gpio_charger power: supply: gpio-charger: Use GPIOF_ACTIVE_LOW for legacy setup power: supply: gpio-charger: Remove redundant dev_err call in probe function ...
Diffstat (limited to 'drivers/power/reset/gemini-poweroff.c')
-rw-r--r--drivers/power/reset/gemini-poweroff.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/power/reset/gemini-poweroff.c b/drivers/power/reset/gemini-poweroff.c
index ff75af5abbc5..2ac291af1265 100644
--- a/drivers/power/reset/gemini-poweroff.c
+++ b/drivers/power/reset/gemini-poweroff.c
@@ -47,8 +47,12 @@ static irqreturn_t gemini_powerbutton_interrupt(int irq, void *data)
val &= 0x70U;
switch (val) {
case GEMINI_STAT_CIR:
- dev_info(gpw->dev, "infrared poweroff\n");
- orderly_poweroff(true);
+ /*
+ * We do not yet have a driver for the infrared
+ * controller so it can cause spurious poweroff
+ * events. Ignore those for now.
+ */
+ dev_info(gpw->dev, "infrared poweroff - ignored\n");
break;
case GEMINI_STAT_RTC:
dev_info(gpw->dev, "RTC poweroff\n");
@@ -116,7 +120,17 @@ static int gemini_poweroff_probe(struct platform_device *pdev)
return -ENODEV;
}
- /* Clear the power management IRQ */
+ /*
+ * Enable the power controller. This is crucial on Gemini
+ * systems: if this is not done, pressing the power button
+ * will result in unconditional poweroff without any warning.
+ * This makes the kernel handle the poweroff.
+ */
+ val = readl(gpw->base + GEMINI_PWC_CTRLREG);
+ val |= GEMINI_CTRL_ENABLE;
+ writel(val, gpw->base + GEMINI_PWC_CTRLREG);
+
+ /* Now that the state machine is active, clear the IRQ */
val = readl(gpw->base + GEMINI_PWC_CTRLREG);
val |= GEMINI_CTRL_IRQ_CLR;
writel(val, gpw->base + GEMINI_PWC_CTRLREG);
@@ -129,16 +143,6 @@ static int gemini_poweroff_probe(struct platform_device *pdev)
pm_power_off = gemini_poweroff;
gpw_poweroff = gpw;
- /*
- * Enable the power controller. This is crucial on Gemini
- * systems: if this is not done, pressing the power button
- * will result in unconditional poweroff without any warning.
- * This makes the kernel handle the poweroff.
- */
- val = readl(gpw->base + GEMINI_PWC_CTRLREG);
- val |= GEMINI_CTRL_ENABLE;
- writel(val, gpw->base + GEMINI_PWC_CTRLREG);
-
dev_info(dev, "Gemini poweroff driver registered\n");
return 0;