Re: [PATCH v4] i2c: aspeed: Deassert reset in probe

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Nov 01, 2017 at 10:53:30AM +1030, Joel Stanley wrote:
> In order to use i2c from a cold boot, the i2c peripheral must be taken
> out of reset. We request a shared reset controller each time a bus
> driver is loaded, as the reset is shared between the 14 i2c buses.
> 
> On remove the reset is asserted, which only touches the hardware once
> the last i2c bus is removed.
> 
> The reset is required as the I2C buses will not work without releasing
> the reset. Previously the driver only worked with out of tree hacks
> that released this reset before the driver was loaded. Update the
> device tree bindings to reflect this.
> 
> Signed-off-by: Joel Stanley <joel@xxxxxxxxx>

Applied to for-next, thanks and thanks for the ack, Rob!

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux