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

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Date:   Wed, 21 Oct 2020 17:46:27 +0200
From:   Peter Korsgaard <peter@...sgaard.com>
To:     Sagar Shrikant Kadam <sagar.kadam@...ive.com>
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-i2c@...r.kernel.org, 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

>>>>> "Sagar" == Sagar Shrikant Kadam <sagar.kadam@...ive.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@...ive.com>

LGTM, thanks.

Acked-by: Peter Korsgaard <peter@...sgaard.com>

-- 
Bye, Peter Korsgaard