mtd: nand: pxa3xx: Add a nice comment to pxa3xx_set_datasize()
authorEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Thu, 7 Nov 2013 15:17:18 +0000 (12:17 -0300)
committerBrian Norris <computersforpeace@gmail.com>
Fri, 3 Jan 2014 19:22:11 +0000 (11:22 -0800)
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>
drivers/mtd/nand/pxa3xx_nand.c

index 3779b70623a0e3fddbdfc42809c6dc23c4243613..9f8c58f55c75dd553f7b82b19be41f670b5a3dcd 100644 (file)
@@ -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;