| Message ID | 20201012180404.6476-2-p.yadav@ti.com |
|---|---|
| State | Changes Requested |
| Delegated to: | Richard Weinberger |
| Headers | show
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Mon, 12 Oct 2020 13:04:10 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 12 Oct 2020 13:04:10 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 09CI45j3021531; Mon, 12 Oct 2020 13:04:08 -0500 From: Pratyush Yadav <p.yadav@ti.com> To: Tudor Ambarus <tudor.ambarus@microchip.com>, Miquel Raynal <miquel.raynal@bootlin.com>, Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH 1/3] mtd: abi: Introduce MTD_NO_MULTI_PASS_WRITE Date: Mon, 12 Oct 2020 23:34:02 +0530 Message-ID: <20201012180404.6476-2-p.yadav@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201012180404.6476-1-p.yadav@ti.com> References: <20201012180404.6476-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201012_140414_664328_C590C2F0 X-CRM114-Status: GOOD ( 11.94 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [198.47.19.141 listed in wl.mailspike.net] -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -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 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Cc: Pratyush Yadav <p.yadav@ti.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
| Series | mtd: Make sure UBIFS does not do multi-pass page programming on flashes that don't support it | expand |
diff --git a/include/uapi/mtd/mtd-abi.h b/include/uapi/mtd/mtd-abi.h index 65b9db936557..a2cab30adac5 100644 --- a/include/uapi/mtd/mtd-abi.h +++ b/include/uapi/mtd/mtd-abi.h @@ -105,6 +105,7 @@ struct mtd_write_req { #define MTD_NO_ERASE 0x1000 /* No erase necessary */ #define MTD_POWERUP_LOCK 0x2000 /* Always locked after reset */ #define MTD_SLC_ON_MLC_EMULATION 0x4000 /* Emulate SLC behavior on MLC NANDs */ +#define MTD_NO_MULTI_PASS_WRITE 0x8000 /* Some common devices / combinations of capabilities */ #define MTD_CAP_ROM 0
Some flashes like the Semper S28 family do not support multi-pass page programming. Introduce the flag MTD_NO_MULTI_PASS_WRITE to allow telling upper layers this information so they can issue write commands with this limitation in mind. Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- include/uapi/mtd/mtd-abi.h | 1 + 1 file changed, 1 insertion(+)