Let's simplify the code by first introducing a helper function
to set the page address, as done by the READ0, READOOB and SEQIN
commands.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx>
---
drivers/mtd/nand/pxa3xx_nand.c | 36 +++++++++++++++++++++---------------
1 file changed, 21 insertions(+), 15 deletions(-)
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index aa8768c..660427e 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -587,6 +587,26 @@ static inline int is_buf_blank(uint8_t *buf, size_t len)
return 1;
}
+static void set_command_address(struct pxa3xx_nand_info *info,
+ unsigned int page_size, uint16_t column, int page_addr)
+{
+ /* small page addr setting */
+ if (page_size < PAGE_CHUNK_SIZE) {
+ info->ndcb1 = ((page_addr & 0xFFFFFF) << 8)
+ | (column & 0xFF);
+
+ info->ndcb2 = 0;
+ } else {
+ info->ndcb1 = ((page_addr & 0xFFFF) << 16)
+ | (column & 0xFFFF);
+
+ if (page_addr & 0xFF0000)
+ info->ndcb2 = (page_addr & 0xFF0000) >> 16;
+ else
+ info->ndcb2 = 0;
+ }
+}
+
static int prepare_command_pool(struct pxa3xx_nand_info *info, int command,
uint16_t column, int page_addr)
{
@@ -650,22 +670,8 @@ static int prepare_command_pool(struct pxa3xx_nand_info *info, int command,
info->ndcb0 |= NDCB0_DBC | (NAND_CMD_READSTART << 8);
case NAND_CMD_SEQIN:
- /* small page addr setting */
- if (unlikely(mtd->writesize < PAGE_CHUNK_SIZE)) {
- info->ndcb1 = ((page_addr & 0xFFFFFF) << 8)
- | (column & 0xFF);
-
- info->ndcb2 = 0;
- } else {
- info->ndcb1 = ((page_addr & 0xFFFF) << 16)
- | (column & 0xFFFF);
-
- if (page_addr & 0xFF0000)
- info->ndcb2 = (page_addr & 0xFF0000) >> 16;
- else
- info->ndcb2 = 0;
- }
+ set_command_address(info, mtd->writesize, column, page_addr);
info->buf_count = mtd->writesize + mtd->oobsize;
memset(info->data_buff, 0xFF, info->buf_count);
--
1.8.1.5
--
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