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[81.165.188.49]) by smtp.gmail.com with ESMTPSA id ss7sm2445870ejb.28.2020.10.21.08.46.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Oct 2020 08:46:28 -0700 (PDT) Received: from peko by dell.be.48ers.dk with local (Exim 4.92) (envelope-from ) id 1kVGJn-0008Er-Pi; Wed, 21 Oct 2020 17:46:27 +0200 From: Peter Korsgaard To: Sagar Shrikant Kadam Subject: Re: [PATCH v4 1/1] i2c: ocores: fix polling mode workaround on FU540-C000 SoC References: <1603291814-240377-1-git-send-email-sagar.kadam@sifive.com> <1603291814-240377-2-git-send-email-sagar.kadam@sifive.com> Date: Wed, 21 Oct 2020 17:46:27 +0200 In-Reply-To: <1603291814-240377-2-git-send-email-sagar.kadam@sifive.com> (Sagar Shrikant Kadam's message of "Wed, 21 Oct 2020 07:50:14 -0700") Message-ID: <87k0vjk2ek.fsf@dell.be.48ers.dk> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201021_114634_700293_83B6BBA5 X-CRM114-Status: GOOD ( 14.05 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, aou@eecs.berkeley.edu, linux-kernel@vger.kernel.org, palmer@dabbelt.com, linux-i2c@vger.kernel.org, paul.walmsley@sifive.com, linux-riscv@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org >>>>> "Sagar" == Sagar Shrikant Kadam 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 LGTM, thanks. Acked-by: Peter Korsgaard -- Bye, Peter Korsgaard _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv