Re: [PATCH net-next v1 1/5] net: dsa: microchip: improving error handling for 8-bit register RMW operations

From: Oleksij Rempel
Date: Wed May 24 2023 - 13:32:48 EST


On Wed, May 24, 2023 at 01:39:53PM +0100, Russell King (Oracle) wrote:
> On Wed, May 24, 2023 at 02:32:16PM +0200, Oleksij Rempel wrote:
> > This patch refines the error handling mechanism for 8-bit register
> > read-modify-write operations. In case of a failure, it now logs an error
> > message detailing the problematic offset. This enhancement aids in
> > debugging by providing more precise information when these operations
> > encounter issues.
> >
> > Furthermore, the ksz_prmw8() function has been updated to return error
> > values rather than void, enabling calling functions to appropriately
> > respond to errors.
>
> What happens when there is an error that affects the current and future
> accesses? Does this PHY driver then begin to flood the kernel log?

Yes. In the same way as it is done in all ksz_read*/ksz_write* helpers.

--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |