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authorEzequiel Garcia2013-11-07 12:17:18 -0300
committerBrian Norris2014-01-03 11:22:11 -0800
commit6a3e48651fc6ce02aac08bc419cffa74f306ee32 (patch)
tree2d8b2a0329476bae09d7e1532335d45b5e59c3e3
parent0a3f3a1916bcac44a86ca89c874cdcad5e7746e9 (diff)
mtd: nand: pxa3xx: Add a nice comment to pxa3xx_set_datasize()
Add a comment clarifying the use of pxa3xx_set_datasize() which is only applicable on data read/write commands (i.e. commands with a data cycle, such as READID, READ0, STATUS, etc.) Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 3779b70623a0..9f8c58f55c75 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -300,6 +300,11 @@ static void pxa3xx_nand_set_timing(struct pxa3xx_nand_host *host,
nand_writel(info, NDTR1CS0, ndtr1);
}
+/*
+ * Set the data and OOB size, depending on the selected
+ * spare and ECC configuration.
+ * Only applicable to READ0, READOOB and PAGEPROG commands.
+ */
static void pxa3xx_set_datasize(struct pxa3xx_nand_info *info)
{
int oob_enable = info->reg_ndcr & NDCR_SPARE_EN;