[PATCH v3 03/11] i2c: npcm: Fix client address calculation

Andy Shevchenko andriy.shevchenko at linux.intel.com
Thu Mar 3 21:30:10 AEDT 2022


On Thu, Mar 03, 2022 at 04:31:33PM +0800, Tyrone Ting wrote:
> From: Tali Perry <tali.perry1 at gmail.com>
> 
> Fix i2c client address by left-shifting 1 bit before
> applying it to the data register.

...

> -	bus->dest_addr = slave_addr;
> +	bus->dest_addr = slave_addr << 1;

1. Why this is not using i2c_8bit_addr_from_msg() helper?
2. This is duplication of what npcm_i2c_master_start_xmit() does.

Taking 2 into account, what is this exactly fixing?
Sounds like a red herring.

-- 
With Best Regards,
Andy Shevchenko




More information about the openbmc mailing list