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Cherrytrail devices use the dw i2c-bus with uid 7 to access their PMIC. Even if the i2c-bus to the PMIC is not shared with the SoC's P-Unit and i2c-designware-baytrail.c thus does not set the pm_disabled flag, we still need to disable pm so that ACPI PMIC opregions can access the PMIC during late-suspend and early-resume. This fixes errors like these blocking suspend: i2c_designware 808622C1:06: timeout waiting for bus ready ACPI Exception: AE_ERROR, Returned by Handler for [UserDefinedRegion] acpi 80860F14:02: Failed to change power state to D3hot PM: late suspend of devices failed Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> |
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| .. | ||
| algos | ||
| busses | ||
| muxes | ||
| i2c-boardinfo.c | ||
| i2c-core.c | ||
| i2c-core.h | ||
| i2c-dev.c | ||
| i2c-mux.c | ||
| i2c-slave-eeprom.c | ||
| i2c-smbus.c | ||
| i2c-stub.c | ||
| Kconfig | ||
| Makefile | ||