doc: mtd: nand: update examples to use mtd_to_nand()

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=1e6460abf739310fe695bafac30c2be39d18c8f9
Commit:     1e6460abf739310fe695bafac30c2be39d18c8f9
Parent:     c291b3c3527fa962f53862426e0e4258d7bd8269
Author:     Boris BREZILLON <boris.brezillon at free-electrons.com>
AuthorDate: Mon Nov 16 14:37:36 2015 +0100
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Thu Nov 19 11:21:04 2015 -0800

    doc: mtd: nand: update examples to use mtd_to_nand()
    
    mtd_to_nand() has been introduced to hide accesses to mtd->priv.
    All NAND controller drivers should use it instead of directly accessing
    the ->priv field.
    
    Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 Documentation/DocBook/mtdnand.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl
index 7da8f04..403a7ab 100644
--- a/Documentation/DocBook/mtdnand.tmpl
+++ b/Documentation/DocBook/mtdnand.tmpl
@@ -235,7 +235,7 @@ static void board_hwcontrol(struct mtd_info *mtd, int cmd)
 		<programlisting>
 static void board_hwcontrol(struct mtd_info *mtd, int cmd)
 {
-	struct nand_chip *this = (struct nand_chip *) mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	switch(cmd){
 		case NAND_CTL_SETCLE: this->IO_ADDR_W |= CLE_ADRR_BIT;  break;
 		case NAND_CTL_CLRCLE: this->IO_ADDR_W &= ~CLE_ADRR_BIT; break;
@@ -399,7 +399,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 		<programlisting>
 static void board_select_chip (struct mtd_info *mtd, int chip)
 {
-	struct nand_chip *this = (struct nand_chip *) mtd->priv;
+	struct nand_chip *this = mtd_to_nand(mtd);
 	
 	/* Deselect all chips */
 	this->IO_ADDR_R &= ~BOARD_NAND_ADDR_MASK;