Re: [PATCH] mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell

2017-08-08 Thread Lee Jones
On Fri, 28 Jul 2017, Mika Westerberg wrote: > At least on Lenovo Thinkpad Yoga, the BIOS seems to monitor the SPI-NOR > write protection bit and if it is flipped to read/write it assumes the > BIOS configuration was changed on next reboot. It then, for unknown > reasons, resets the BIOS settings

Re: [PATCH] mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell

2017-08-08 Thread Lee Jones
On Fri, 28 Jul 2017, Mika Westerberg wrote: > At least on Lenovo Thinkpad Yoga, the BIOS seems to monitor the SPI-NOR > write protection bit and if it is flipped to read/write it assumes the > BIOS configuration was changed on next reboot. It then, for unknown > reasons, resets the BIOS settings

[PATCH] mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell

2017-07-28 Thread Mika Westerberg
At least on Lenovo Thinkpad Yoga, the BIOS seems to monitor the SPI-NOR write protection bit and if it is flipped to read/write it assumes the BIOS configuration was changed on next reboot. It then, for unknown reasons, resets the BIOS settings back to default. We can prevent this by just leaving

[PATCH] mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell

2017-07-28 Thread Mika Westerberg
At least on Lenovo Thinkpad Yoga, the BIOS seems to monitor the SPI-NOR write protection bit and if it is flipped to read/write it assumes the BIOS configuration was changed on next reboot. It then, for unknown reasons, resets the BIOS settings back to default. We can prevent this by just leaving