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authorBoris Brezillon <boris.brezillon@free-electrons.com>2016-04-01 14:54:28 +0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2016-05-05 23:51:58 +0200
commitf6c36aaa3b6828fe2720fbdae70b58e6c0cccae6 (patch)
tree9933b679e5577c2876f9d8b3d2de303b1cc81c10 /drivers/mtd/nand
parent2d01922c11601bed642e5a3d1c7051685218d0fc (diff)
downloadlinux-f6c36aaa3b6828fe2720fbdae70b58e6c0cccae6.tar.gz
mtd: nand: lpc32xx: rely on generic DT parsing done in nand_scan_ident()
The core now takes care of parsing generic DT properties in
nand_scan_ident() when nand_set_flash_node() has been called.
Rely on this initialization instead of calling of_get_nand_xxx()
manually.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/lpc32xx_slc.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
index 219dd674dc92..8d3edc34958e 100644
--- a/drivers/mtd/nand/lpc32xx_slc.c
+++ b/drivers/mtd/nand/lpc32xx_slc.c
@@ -35,7 +35,6 @@
 #include <linux/mtd/nand_ecc.h>
 #include <linux/gpio.h>
 #include <linux/of.h>
-#include <linux/of_mtd.h>
 #include <linux/of_gpio.h>
 #include <linux/mtd/lpc32xx_slc.h>
 
@@ -219,7 +218,6 @@ struct lpc32xx_nand_cfg_slc {
 	uint32_t rwidth;
 	uint32_t rhold;
 	uint32_t rsetup;
-	bool use_bbt;
 	int wp_gpio;
 	struct mtd_partition *parts;
 	unsigned num_parts;
@@ -783,7 +781,6 @@ static struct lpc32xx_nand_cfg_slc *lpc32xx_parse_dt(struct device *dev)
 		return NULL;
 	}
 
-	ncfg->use_bbt = of_get_nand_on_flash_bbt(np);
 	ncfg->wp_gpio = of_get_named_gpio(np, "gpios", 0);
 
 	return ncfg;
@@ -918,19 +915,15 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
 	chip->ecc.bytes = LPC32XX_SLC_DEV_ECC_BYTES;
 	chip->ecc.prepad = chip->ecc.postpad = 0;
 
-	/* Avoid extra scan if using BBT, setup BBT support */
-	if (host->ncfg->use_bbt) {
-		chip->bbt_options |= NAND_BBT_USE_FLASH;
-
-		/*
-		 * Use a custom BBT marker setup for small page FLASH that
-		 * won't interfere with the ECC layout. Large and huge page
-		 * FLASH use the standard layout.
-		 */
-		if (mtd->writesize <= 512) {
-			chip->bbt_td = &bbt_smallpage_main_descr;
-			chip->bbt_md = &bbt_smallpage_mirror_descr;
-		}
+	/*
+	 * Use a custom BBT marker setup for small page FLASH that
+	 * won't interfere with the ECC layout. Large and huge page
+	 * FLASH use the standard layout.
+	 */
+	if ((chip->bbt_options & NAND_BBT_USE_FLASH) &&
+	    mtd->writesize <= 512) {
+		chip->bbt_td = &bbt_smallpage_main_descr;
+		chip->bbt_md = &bbt_smallpage_mirror_descr;
 	}
 
 	/*