Re: [RFT PATCH 1/2] i2c: tegra: update CONFIG_LOAD for new conifiguration

[Wolfram Sang <wsa@the-dreams.de>]

[-- Attachment #1: Type: text/plain, Size: 1205 bytes --]

On Tue, Jun 30, 2015 at 04:24:26PM +0530, Laxman Dewangan wrote:
> Once the new configuration is set on the conifg register of
> I2C controller, it is require to update the CONFIG_LOAD register
> to transfer the new SW configuration to actual HW internal
> registers that would be used in the actual logic.
> 
> It is like, SW is programming only shadow registers through
> regular configuration and when these load_config bit fields
> are set to 1, it causes the regular/shadows registers
> configuration transferred to the HW internal active registers.
> So SW has to set these bit fields at the end of all regular
> registers configuration. And these config_load bits are HW
> auto-clear bits. HW clears these bit fields once the register
> configuration is moved to HW internal active registers. So SW
> has to wait until these bits are auto-cleared before going
> for any further programming
> 
> This mechanism is supported on T124 and after this SoCs.
> 
> This is based on change done by
> 	Chaitanya Bandi <bandik@nvidia.com>
> 
> Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
> Signed-off-by: Chaitanya Bandi <bandik@nvidia.com>

Applied to for-next, thanks!


[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]