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

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Message-ID: <20201103211126.GF1583@kunai>
Date:   Tue, 3 Nov 2020 22:11:26 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Sagar Shrikant Kadam <sagar.kadam@...ive.com>
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-i2c@...r.kernel.org, peter@...sgaard.com, andrew@...n.ch,
        paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu
Subject: Re: [PATCH v4 1/1] i2c: ocores: fix polling mode workaround on
 FU540-C000 SoC

On Wed, Oct 21, 2020 at 07:50:14AM -0700, Sagar Shrikant Kadam wrote:
> 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@...ive.com>

Applied to for-next, thanks!


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