From: Stefan Agner <stefan@agner.ch>
To: miquel.raynal@free-electrons.com,
boris.brezillon@free-electrons.com, computersforpeace@gmail.com,
dwmw2@infradead.org, marek.vasut@gmail.com,
cyrille.pitchen@wedev4u.fr
Cc: richard@nod.at, linux-mtd@lists.infradead.org,
Stefan Agner <stefan@agner.ch>
Subject: [RFC PATCH 2/2] mtd: nand: always request data transfer for parameter page
Date: Fri, 12 Jan 2018 00:50:37 +0100 [thread overview]
Message-ID: <20180111235037.10912-2-stefan@agner.ch> (raw)
In-Reply-To: <20180111235037.10912-1-stefan@agner.ch>
To make sure the controller actually transfers data add a
DATA_IN op even if len is 0.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
drivers/mtd/nand/nand_base.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 96c97588e1ba..26bbf54e125b 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1510,10 +1510,6 @@ static int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf,
};
struct nand_operation op = NAND_OPERATION(instrs);
- /* Drop the DATA_IN instruction if len is set to 0. */
- if (!len)
- op.ninstrs--;
-
return nand_exec_op(chip, &op);
}
--
2.15.1
next prev parent reply other threads:[~2018-01-11 23:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-11 23:50 [RFC PATCH 1/2] mtd: nand: vf610_nfc: make use of ->exec_op() Stefan Agner
2018-01-11 23:50 ` Stefan Agner [this message]
2018-01-12 10:42 ` [RFC PATCH 2/2] mtd: nand: always request data transfer for parameter page Boris Brezillon
2018-01-12 10:59 ` [RFC PATCH 1/2] mtd: nand: vf610_nfc: make use of ->exec_op() Boris Brezillon
2018-01-12 12:58 ` Stefan Agner
2018-01-12 13:18 ` Boris Brezillon
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