[PATCH 1/1] i3c: master: Fix missing 'ret' assignment in set_speed()

[Wolfram Sang]

On Wed, Jan 08, 2025 at 05:55:33PM -0500, Frank Li wrote:
> Fix a probe failure in the i3c master driver that occurs when no i3c
> devices are connected to the bus.
> 
> The issue arises in `i3c_master_bus_init()` where the `ret` value is not
> updated after calling `master->ops->set_speed()`. If no devices are
> present, `ret` remains set to `I3C_ERROR_M2`, causing the code to
> incorrectly proceed to `err_bus_cleanup`.
> 
> Cc: stable at vger.kernel.org
> Fixes: aef79e189ba2 ("i3c: master: support to adjust first broadcast address speed")
> Signed-off-by: Frank Li <Frank.Li at nxp.com>

Precisely.

Reviewed-by: Wolfram Sang <wsa+renesas at sang-engineering.com>

Tested with a Renesas RZ/G3S-SMARC board with some test code added to
the still under-development controller driver:

Tested-by: Wolfram Sang <wsa+renesas at sang-engineering.com>

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-i3c/attachments/20250109/3dada63c/attachment.sig>