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| author | Sebastian Reichel <sebastian.reichel@collabora.co.uk> | 2018-03-12 16:35:10 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.co.uk> | 2018-03-12 16:35:10 +0300 |
| commit | 75dd56c0cd68847809e6e75d6fcc234e6e6711d5 (patch) | |
| tree | c1c3b11bff4bf0b11e9c8d7720a02513d996e2cd /drivers/power/reset | |
| parent | fc5a7f0339d0641c0df14a9ed8af49c9992f9bef (diff) | |
| parent | f72c14ad8c6631a0a42115e74164f9b5faf4c724 (diff) | |
| download | linux-75dd56c0cd68847809e6e75d6fcc234e6e6711d5.tar.xz | |
Merge branch 'fixes' into for-next
Merge for-stable fixes branch into for-next development branch.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers/power/reset')
| -rw-r--r-- | drivers/power/reset/gemini-poweroff.c | 30 |
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; |