mtd: nand: pxa3xx: Add a nice comment to pxa3xx_set_datasize()

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=6a3e48651fc6ce02aac08bc419cffa74f306ee32
Commit:     6a3e48651fc6ce02aac08bc419cffa74f306ee32
Parent:     0a3f3a1916bcac44a86ca89c874cdcad5e7746e9
Author:     Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
AuthorDate: Thu Nov 7 12:17:18 2013 -0300
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Fri Jan 3 11:22:11 2014 -0800

    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 at free-electrons.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 3779b70..9f8c58f 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;