| Message ID | 20191011131502.29579-1-ludovic.Barre@st.com (mailing list archive) |
|---|---|
| Headers | show
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Fri, 11 Oct 2019 15:15:30 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CA71310002A; Fri, 11 Oct 2019 15:15:29 +0200 (CEST) Received: from Webmail-eu.st.com (Safex1hubcas21.st.com [10.75.90.44]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id B5F6B2BEC72; Fri, 11 Oct 2019 15:15:29 +0200 (CEST) Received: from SAFEX1HUBCAS23.st.com (10.75.90.46) by SAFEX1HUBCAS21.st.com (10.75.90.44) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 11 Oct 2019 15:15:29 +0200 Received: from lmecxl0923.lme.st.com (10.48.0.237) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 11 Oct 2019 15:15:29 +0200 From: Ludovic Barre <ludovic.Barre@st.com> To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org> Subject: [PATCH 0/2] mmc: add unstuck function if host is in deadlock state Date: Fri, 11 Oct 2019 15:15:00 +0200 Message-ID: <20191011131502.29579-1-ludovic.Barre@st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-11_08:2019-10-10,2019-10-11 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191011_061537_232830_AE68061C X-CRM114-Status: GOOD ( 11.27 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [62.209.51.94 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: devicetree@vger.kernel.org, Alexandre Torgue <alexandre.torgue@st.com>, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@linaro.org, Ludovic Barre <ludovic.barre@st.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
| Series |
mmc: add unstuck function if host is in deadlock state
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From: Ludovic Barre <ludovic.barre@st.com> As discussed in this thread: https://patchwork.kernel.org/patch/10786421/ After a request, the host could be in deadlock state, and waiting for a specific action to unstuck the hardware block before resending a new command. This series adds mmc_hw_unstuck callback (structure mmc_host_ops) before resending a new command (call in mmc_blk_mq_rw_recovery, mmc_wait_for_req_done). Ludovic Barre (2): mmc: add unstuck function if host is in deadlock state mmc: mmci: add unstuck feature drivers/mmc/core/block.c | 11 +++++++++++ drivers/mmc/core/core.c | 35 +++++++++++++++++++++++++++++++++-- drivers/mmc/host/mmci.c | 23 +++++++++++++++++++++-- include/linux/mmc/core.h | 1 + include/linux/mmc/host.h | 7 +++++++ 5 files changed, 73 insertions(+), 4 deletions(-)