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authorOlof Johansson <olof@lixom.net>2013-06-14 14:07:01 -0700
committerOlof Johansson <olof@lixom.net>2013-06-14 14:07:53 -0700
commit9d6dec733b3ebbd6f259d7defbb62f9c62ec2022 (patch)
treee33fd831b0caa242309943f7d7f5063fe36bcccb /drivers/acpi/device_pm.c
parent143b9d01211b883cc56343ca5df25b156bf193ff (diff)
parente41a5f88b374f7b1d87a72740d186be20cae4aa8 (diff)
Merge tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren: Non-critical fixes for omaps for v3.11 merge window. * tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: omap-usb-host: Fix memory leaks ARM: OMAP2+: Fix serial init for device tree based booting arm/omap: use const char properly ARM: OMAP2+: devices: Do not print error when dss_hdmi hwmod lookup fails ARM: OMAP2+: devices: Do not print error when DMIC hwmod lookup fails ARM: OMAP2+: devices: Do not print error when McPDM hwmod lookup fails ARM: OMAP: add vdds_sdi supply for omapdss_sdi.0 ARM: OMAP: add vdds_dsi supply for omapdss_dpi.0 ARM: OMAP: fix dsi regulator names + Linux 3.10-rc5 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/acpi/device_pm.c')
-rw-r--r--drivers/acpi/device_pm.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index bc493aa3af19..318fa32a141e 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -278,11 +278,13 @@ int acpi_bus_init_power(struct acpi_device *device)
if (result)
return result;
} else if (state == ACPI_STATE_UNKNOWN) {
- /* No power resources and missing _PSC? Try to force D0. */
+ /*
+ * No power resources and missing _PSC? Cross fingers and make
+ * it D0 in hope that this is what the BIOS put the device into.
+ * [We tried to force D0 here by executing _PS0, but that broke
+ * Toshiba P870-303 in a nasty way.]
+ */
state = ACPI_STATE_D0;
- result = acpi_dev_pm_explicit_set(device, state);
- if (result)
- return result;
}
device->power.state = state;
return 0;