linux-kernel - [PATCH v2 25/25] staging: mt29f_spinand: make use of nand_set/get_controller

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Date:	Tue,  1 Dec 2015 12:03:22 +0100
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	linux-mtd@...ts.infradead.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
	Hartley Sweeten <hsweeten@...ionengravers.com>,
	Ryan Mallon <rmallon@...il.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Imre Kaloz <kaloz@...nwrt.org>,
	Krzysztof Halasa <khalasa@...p.pl>,
	Tony Lindgren <tony@...mide.com>, linux-omap@...r.kernel.org,
	Alexander Clouter <alex@...riz.org.uk>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Jason Cooper <jason@...edaemon.net>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Andrew Lunn <andrew@...n.ch>, Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Marek Vasut <marek.vasut@...il.com>,
	Steven Miao <realmz6@...il.com>,
	adi-buildroot-devel@...ts.sourceforge.net,
	Mikael Starvik <starvik@...s.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	linux-cris-kernel@...s.com, Josh Wu <josh.wu@...el.com>,
	Wan ZongShun <mcuos.com@...il.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	Maxim Levitsky <maximlevitsky@...il.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-samsung-soc@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
	Stefan Agner <stefan@...er.ch>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org,
	Boris Brezillon <boris.brezillon@...e-electrons.com>
Subject: [PATCH v2 25/25] staging: mt29f_spinand: make use of nand_set/get_controller_data() helpers

New helpers have been added to avoid directly accessing chip->field. Use
them where appropriate.

Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
---
 drivers/staging/mt29f_spinand/mt29f_spinand.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c b/drivers/staging/mt29f_spinand/mt29f_spinand.c
index b7d429d..5b3027a 100644
--- a/drivers/staging/mt29f_spinand/mt29f_spinand.c
+++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c
@@ -32,7 +32,7 @@
 static inline struct spinand_state *mtd_to_state(struct mtd_info *mtd)
 {
 	struct nand_chip *chip = mtd_to_nand(mtd);
-	struct spinand_info *info = (struct spinand_info *)chip->priv;
+	struct spinand_info *info = (struct spinand_info *)nand_get_controller_data(chip);
 	struct spinand_state *state = (struct spinand_state *)info->priv;
 
 	return state;
@@ -633,7 +633,7 @@ static int spinand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
 	u8 *p = buf;
 	int eccsize = chip->ecc.size;
 	int eccsteps = chip->ecc.steps;
-	struct spinand_info *info = (struct spinand_info *)chip->priv;
+	struct spinand_info *info = (struct spinand_info *)nand_get_controller_data(chip);
 
 	enable_read_hw_ecc = 1;
 
@@ -679,7 +679,7 @@ static u8 spinand_read_byte(struct mtd_info *mtd)
 
 static int spinand_wait(struct mtd_info *mtd, struct nand_chip *chip)
 {
-	struct spinand_info *info = (struct spinand_info *)chip->priv;
+	struct spinand_info *info = (struct spinand_info *)nand_get_controller_data(chip);
 
 	unsigned long timeo = jiffies;
 	int retval, state = chip->state;
@@ -745,7 +745,7 @@ static void spinand_cmdfunc(struct mtd_info *mtd, unsigned int command,
 			    int column, int page)
 {
 	struct nand_chip *chip = mtd_to_nand(mtd);
-	struct spinand_info *info = (struct spinand_info *)chip->priv;
+	struct spinand_info *info = (struct spinand_info *)nand_get_controller_data(chip);
 	struct spinand_state *state = (struct spinand_state *)info->priv;
 
 	switch (command) {
@@ -894,7 +894,7 @@ static int spinand_probe(struct spi_device *spi_nand)
 #endif
 
 	nand_set_flash_node(chip, spi_nand->dev.of_node);
-	chip->priv	= info;
+	nand_set_controller_data(chip, info);
 	chip->read_buf	= spinand_read_buf;
 	chip->write_buf	= spinand_write_buf;
 	chip->read_byte	= spinand_read_byte;
-- 
2.1.4

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