[PATCH 29/29] pxa3xx_nand: new read oob logic only works with
From: Lei Wen <hidden>
Date: 2010-07-13 13:10:32
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
new silicon Signed-off-by: Lei Wen <redacted> --- drivers/mtd/nand/pxa3xx_nand.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index bc2f56d..068232c 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c@@ -360,6 +360,8 @@ static void pxa3xx_nand_set_timing(structpxa3xx_nand_info *info,
static void pxa3xx_set_datasize(struct pxa3xx_nand_info *info)
{
struct pxa3xx_nand *nand = info->nand_data;
+ struct platform_device *pdev = nand->pdev;
+ struct pxa3xx_nand_platform_data *pdata = pdev->dev.platform_data;
int oob_enable = info->reg_ndcr & NDCR_SPARE_EN;
if (info->page_size < PAGE_CHUNK_SIZE) {@@ -388,7 +390,10 @@ static void pxa3xx_set_datasize(structpxa3xx_nand_info *info)
return;
}
- if (nand->command == NAND_CMD_READOOB) {
+ if (nand->command == NAND_CMD_READOOB
+ && pdata->controller_attrs & PXA3XX_NAKED_CMD_EN) {
+ /* This special handle read oob method can only be used
+ * with silicon support naked command*/
switch (info->ecc_strength) {
case HAMMING_STRENGTH:
nand->ndcb1[3] = 2 * PAGE_CHUNK_SIZE + OOB_CHUNK_SIZE;
--
1.7.0.4