2022-09-27 21:05:44

by Asmaa Mnebhi

[permalink] [raw]
Subject: RE: [PATCH v7 1/2] i2c: mlxbf: support BlueField-3 SoC

Thank you Wolfram!

-----Original Message-----
From: Wolfram Sang <[email protected]>
Sent: Tuesday, September 27, 2022 4:47 PM
To: Asmaa Mnebhi <[email protected]>
Cc: [email protected]; [email protected]; Khalil Blaiech <[email protected]>
Subject: Re: [PATCH v7 1/2] i2c: mlxbf: support BlueField-3 SoC

On Tue, Sep 27, 2022 at 04:39:23PM -0400, Asmaa Mnebhi wrote:
> BlueField-3 SoC has the same I2C IP logic as previous
> BlueField-1 and 2 SoCs but it has different registers' addresses.
> This is an effort to keep this driver generic accross all BlueField
> generations.
> This patch breaks down the "smbus" resource into 3 separate resources
> to enable us to use common registers' offsets for all BlueField SoCs:
> struct mlxbf_i2c_resource *timer;
> struct mlxbf_i2c_resource *mst;
> struct mlxbf_i2c_resource *slv;
>
> Of course, all offsets had to be adjusted accordingly, and we took
> this chance to reorganize the macros depending on the register block
> they target.
>
> There are only 2 registers' offsets that do not fit within this schema
> so their offsets are passed as SoC-specific parameters:
> smbus_master_rs_bytes_off
> smbus_master_fsm_off
>
> Reviewed-by: Khalil Blaiech <[email protected]>
> Signed-off-by: Asmaa Mnebhi <[email protected]>

Applied to for-next, thanks!