Re: [Intel-gfx] [PATCH v2 09/13] i2c: designware-baytrail: Acquire P-Unit access on bus acquire

2017-01-27 Thread Jarkko Nikula
On 01/23/2017 11:09 PM, Hans de Goede wrote: Acquire P-Unit access to stop others from accessing the P-Unit while the PMIC i2c bus is in use. This is necessary because accessing the P-Unit from the kernel may result in the P-Unit trying to access the PMIC i2c bus, which results in a hang when it

[Intel-gfx] [PATCH v2 09/13] i2c: designware-baytrail: Acquire P-Unit access on bus acquire

2017-01-23 Thread Hans de Goede
Acquire P-Unit access to stop others from accessing the P-Unit while the PMIC i2c bus is in use. This is necessary because accessing the P-Unit from the kernel may result in the P-Unit trying to access the PMIC i2c bus, which results in a hang when it happens while we own the PMIC i2c bus