[PATCH v4 1/1] i2c: ocores: fix polling mode workaround on FU540-C000 SoC

Sagar Kadam sagar.kadam at openfive.com
Fri Oct 23 07:55:38 EDT 2020


Hello Peter,

> -----Original Message-----
> From: Peter Korsgaard <jacmet at gmail.com> On Behalf Of Peter Korsgaard
> Sent: Wednesday, October 21, 2020 9:16 PM
> To: Sagar Kadam <sagar.kadam at openfive.com>
> Cc: linux-kernel at vger.kernel.org; linux-riscv at lists.infradead.org; linux-
> i2c at vger.kernel.org; andrew at lunn.ch; Paul Walmsley ( Sifive)
> <paul.walmsley at sifive.com>; palmer at dabbelt.com;
> aou at eecs.berkeley.edu
> Subject: Re: [PATCH v4 1/1] i2c: ocores: fix polling mode workaround on
> FU540-C000 SoC
> 
> [External Email] Do not click links or attachments unless you recognize the
> sender and know the content is safe
> 
> >>>>> "Sagar" == Sagar Shrikant Kadam <sagar.kadam at sifive.com> writes:
> 
>  > The FU540-C000 has a broken IRQ and support was added earlier
>  > so that it will operate in polling mode, but seems to work only
>  > in case interrupts property is missing from the i2c0 dt-node.
>  > This should not be the case and the driver should handle polling
>  > mode with the interrupt property present in i2c0 node of the
>  > device tree.
>  > So check if it's the FU540-C000 soc and enable polling mode master
>  > xfers, as the IRQ for this chip is broken.
> 
>  > Fixes commit c45d4ba86731 ("i2c: ocores: add polling mode workaround
>  > for Sifive FU540-C000 SoC")
> 
>  > Signed-off-by: Sagar Shrikant Kadam <sagar.kadam at sifive.com>
> 
> LGTM, thanks.
> 
> Acked-by: Peter Korsgaard <peter at korsgaard.com>
> 

Thank you for the review and "Acked-by"

BR,
Sagar
> --
> Bye, Peter Korsgaard



More information about the linux-riscv mailing list