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Wed, 17 Feb 2021 05:35:20 +0000 (GMT) From: DooHyun Hwang To: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, ulf.hansson@linaro.org, robh+dt@kernel.org, axboe@kernel.dk, adrian.hunter@intel.com, satyat@google.com, ebiggers@google.com, gustavoars@kernel.org Cc: grant.jung@samsung.com, jt77.jang@samsung.com, junwoo80.lee@samsung.com, jangsub.yi@samsung.com, sh043.lee@samsung.com, cw9316.lee@samsung.com, sh8267.baek@samsung.com, wkon.kim@samsung.com, DooHyun Hwang Subject: [PATCH 1/2] dt-bindings: mmc: Add no-single-read-retry property Date: Wed, 17 Feb 2021 14:22:38 +0900 Message-Id: <20210217052239.13780-2-dh0421.hwang@samsung.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20210217052239.13780-1-dh0421.hwang@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01TbUxbVRjO6W1vL2jNtaAeOsTuLrAMhbVrC2duJUtEvdG5YPyBmTPlSu8o rrS1lxI3/cHHBpMBZSxuo0OZsC3ajmCAYoGyRmADNoYDIiZVtqkQogsMaUDlY3jLZZF/78fz nOd93nMOgcnv4Aoi15LP2i2MmcIjxe29O5KTYjwvZan89yk0OHkVR54JJ47O3yyVoPq+YQm6 Nj4oRSOe4xK0tNosRUsjZyXopPeMCPmmh6Soc7VEhMY663DUt+YE6ER3nxQ5PRM4Kl65Jkbj QwMS1N+UiVpHF8X7ouiLLQ660f+HiB677aBb3J/h9C/jfpyuanMDOtQSlyE9aN5rYhkja1ey lmyrMdeSo6fefMfwikGXolInqXejVEppYfJYPZW+PyPptVwz74RSFjBmB1/KYDiO2pm21251 5LNKk5XL11OszWi2qVW2ZI7J4xyWnORsa97LapVql45HZplNdQGXyDZHfHypM4AVgqvSchBB QFILz9Uu8HEkISd9AM4OlGwk8wCeu/MlLiSLAPYWfS1+TFnyl4mERjeAweEKSbghJ0MAXm/f Fo5xMhn6K92SMCg6fJQ/GFg/FyP/AvCr4AM8jIoiafjNpHedLSbj4UDRwvpUMlIPB1vrcUHu BbhyrwILxxFkGnw46sQEzNNwsHZyfSSMx5R4L2BhAUgOEXC4/juJQE6HD5xVG3NHwT/72zZs K2BotntD4BSAzp40gVwN4Fh/xUZDA+dDIVAOCF5hB2zu3CmUt8KO5S+AIPwUnF0I2yf4ugye LJULkATY+OhvHiLl41hY9IRQpeHKYjsQdnUawKkrr1YDpWuTGdcmM67/ZS8CzA2eZW1cXg7L qW2azTfcAtafdmKqD5ydmUvuASIC9ABIYFS0TBpKzJLLjMzRY6zdarA7zCzXA3T8qk9jimey rfzfsOQb1LpdGo0GaVNSU3Qa6jnZB6r7BjmZw+SzR1jWxtof80REhKJQpByvzIzRDHmfT5ij Jvy3GuN+rj1zd/ZS1uXCpbrfZlfjc/OOXXgx/RP7zcLrXTfKO1xTJ5Lqimu6Pk2N/almHwwo 3m9MuBE3n7in93vi6LJa6yutwSuNTdr2eEM/dsS7ZbdesRakZ6z69P30lN6z2hXpo8zHA97D W4xaXUFz/dTn2w8RDXRrx/RAtlQnG3nDVfBDbHTKzFuV9duCCaduLz6ajswc3XPlX6rpgLbK eygYqO6o+fXJweF7r3PFXR+Zck135xuWO9Y8Q7+rxe89PNxw3hDVybRVHUxhL1dF/LN9NK7u 24p3t5YdKGUp+GOTedxgb+wvehu5y5p90zHuWx9SYs7EqBMxO8f8B0Xa5RtjBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupmkeLIzCtJLcpLzFFi42LZdlhJXlditU6CwdxL+hYnn6xhs1h9t5/N YsapNlaL+UfOsVrsu3aS3eLi6hZWi19/17Nb/Lo4jdWiY+tkJosdz8+wW+z628xkcXnXHDaL I//7GS1a9x5ht+hffZfNounPPhaLa2dOsFocXxtusfnSNxYHYY8Fm0o9Fu95yeRx+Wypx6ZV nWwed67tYfPo27KK0ePzJrkA9igum5TUnMyy1CJ9uwSujDn7ZzEVfOCoWLJrP3MD4xr2LkZO DgkBE4lfe9qZuhi5OIQEdjNKbN3dywiRkJHovr8XqIgDyBaWOHy4GKLmI6PEu4nnWEFq2AT0 JPb0rmIFSYgI/GOU6Jy9iQ3EYRb4zSgx6Ucz2AphAQ+JlU+2gnWwCKhKnGj8ChbnFbCVOLl5 PhvENnmJP/d7mEFsTgE7ifeX+sFsIaCa2cd+MEHUC0qcnPmEBcRmBqpv3jqbeQKjwCwkqVlI UgsYmVYxSqYWFOem5xYbFhjmpZbrFSfmFpfmpesl5+duYgTHl5bmDsbtqz7oHWJk4mA8xCjB wawkwsv+WStBiDclsbIqtSg/vqg0J7X4EKM0B4uSOO+FrpPxQgLpiSWp2ampBalFMFkmDk6p BqbL87rXPGI7/nNBUCbbtcMlc+f2NIg0Pn/F+jpoWmuXuv9sNyZXVvmibF+TxtcnXNZ/+J3h c9nJrWuX2q9kLdZbk/9nME5/P3tvu/Jn9q4j/C7nPuj/cD694cIt164Gb0OG4r1B3F86934W nhAiGPy360/FNIkraZcCeizuzF9uHHo1rlhq27IjDO5iG59y/GMQ87DT+aDt+13wefBRk7OT pCot1D+l/XsTp3sntCcy15In9YXv34NCUxofyt0QVjo9q9anvbXK8uUBVrm2vCq5qvRZNy3E 8qQVz53V+fXdo/tFxI8as4PzeRbeviyskt/4VIdlYldD6vUzHuUexyWDpy2fFhM+859ia6rC bSWW4oxEQy3mouJEAEBwYo8eAwAA X-CMS-MailID: 20210217053520epcas1p1af462836bd9fc690d99baed0b122d6fd X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210217053520epcas1p1af462836bd9fc690d99baed0b122d6fd References: <20210217052239.13780-1-dh0421.hwang@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add an optional property to not retry multiple block read error with several single block reads. This property makes to handle read errors faster by not retrying multiple block read errors with single block reads. Signed-off-by: DooHyun Hwang --- Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml index e141330c1114..1eb3b73a164a 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml @@ -245,6 +245,12 @@ properties: Controller is limited to send MMC commands during initialization. + no-single-read-retry: + $ref: /schemas/types.yaml#/definitions/flag + description: + Single block read retrying is not supported + when multiple block read fails. + fixed-emmc-driver-type: description: For non-removable eMMC, enforce this driver type. The value is -- 2.29.0