linux-kernel - [PATCH v3 2/3] mtd: spinand: Add support for two-byte device IDs

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Date:   Mon, 20 May 2019 12:44:53 -0700
From:   Jeff Kletsky <lede@...ycomm.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>
Cc:     Jeff Kletsky <git-commits@...ycomm.com>,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/3] mtd: spinand: Add support for two-byte device IDs

From: Jeff Kletsky <git-commits@...ycomm.com>

The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes two-byte device IDs.

http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/

Signed-off-by: Jeff Kletsky <git-commits@...ycomm.com>

Reviewed-by: Frieder Schrempf <frieder.schrempf@...tron.de>
---
 drivers/mtd/nand/spi/core.c | 2 +-
 include/linux/mtd/spinand.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index fa87ae28cdfe..a13154785dad 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -853,7 +853,7 @@ spinand_select_op_variant(struct spinand_device *spinand,
  */
 int spinand_match_and_init(struct spinand_device *spinand,
 			   const struct spinand_info *table,
-			   unsigned int table_size, u8 devid)
+			   unsigned int table_size, u16 devid)
 {
 	struct nand_device *nand = spinand_to_nand(spinand);
 	unsigned int i;
diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index 05fe98eebe27..8901ba272538 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -290,7 +290,7 @@ struct spinand_ecc_info {
  */
 struct spinand_info {
 	const char *model;
-	u8 devid;
+	u16 devid;
 	u32 flags;
 	struct nand_memory_organization memorg;
 	struct nand_ecc_req eccreq;
@@ -445,7 +445,7 @@ static inline void spinand_set_of_node(struct spinand_device *spinand,
 
 int spinand_match_and_init(struct spinand_device *dev,
 			   const struct spinand_info *table,
-			   unsigned int table_size, u8 devid);
+			   unsigned int table_size, u16 devid);
 
 int spinand_upd_cfg(struct spinand_device *spinand, u8 mask, u8 val);
 int spinand_select_target(struct spinand_device *spinand, unsigned int target);
-- 
2.20.1