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@xxxxxxxxxxxxxxxxxx>
---
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 dd8a7cf..dd7df0e 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -304,6 +304,11 @@ 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;
--
1.8.1.5
--
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