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[211.75.127.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fbb6ad4b60sm21960575ad.296.2024.07.09.18.17.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jul 2024 18:17:03 -0700 (PDT) Received: from hqs-appsw-a2o.mp600.macronix.com (linux-patcher [172.17.236.67]) by twhmp6px (Postfix) with ESMTPS id 5D9C480DF0; Wed, 10 Jul 2024 09:26:29 +0800 (CST) From: Cheng Ming Lin To: miquel.raynal@bootlin.com, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: richard@nod.at, alvinzhou@mxic.com.tw, leoyu@mxic.com.tw, Cheng Ming Lin Subject: [PATCH 3/3] mtd: spinand: Insert Plane Select bit for the column address Date: Wed, 10 Jul 2024 09:15:41 +0800 Message-Id: <20240710011541.342682-4-linchengming884@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240710011541.342682-1-linchengming884@gmail.com> References: <20240710011541.342682-1-linchengming884@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Cheng Ming Lin In the function spinand_read_from_cache_op and spinand_write_to_cache_op, add an if statement to determine whether the device has fixups and their corresponding functions. If so, give the Plane Select bit to the column address. In the function spinand_match_and_init, add spinand_info in spinand_device for determining whether Plane Select bit should be inserted. Signed-off-by: Cheng Ming Lin --- drivers/mtd/nand/spi/core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index e0b6715e5dfe..d6d6f3832f9d 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -386,6 +386,9 @@ static int spinand_read_from_cache_op(struct spinand_de= vice *spinand, else rdesc =3D spinand->dirmaps[req->pos.plane].rdesc_ecc; =20 + if (spinand->info->fixups && spinand->info->fixups->read_from_cache) + column =3D spinand->info->fixups->read_from_cache(spinand, req, column); + while (nbytes) { ret =3D spi_mem_dirmap_read(rdesc, column, nbytes, buf); if (ret < 0) @@ -460,6 +463,9 @@ static int spinand_write_to_cache_op(struct spinand_dev= ice *spinand, else wdesc =3D spinand->dirmaps[req->pos.plane].wdesc_ecc; =20 + if (spinand->info->fixups && spinand->info->fixups->write_to_cache) + column =3D spinand->info->fixups->write_to_cache(spinand, req, column); + while (nbytes) { ret =3D spi_mem_dirmap_write(wdesc, column, nbytes, buf); if (ret < 0) @@ -1095,6 +1101,7 @@ int spinand_match_and_init(struct spinand_device *spi= nand, spinand->flags =3D table[i].flags; spinand->id.len =3D 1 + table[i].devid.len; spinand->select_target =3D table[i].select_target; + spinand->info =3D info; =20 op =3D spinand_select_op_variant(spinand, info->op_variants.read_cache); --=20 2.25.1