SMI driver fails because of low timeout values. Increasing the erase and write
timeouts to 3 seconds
Signed-off-by: Vipin Kumar <vipin.ku...@st.com>
---
arch/arm/include/asm/arch-spear/spr_smi.h | 6 +++---
drivers/mtd/spr_smi.c | 8 ++++----
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/arm/include/asm/arch-spear/spr_smi.h
b/arch/arm/include/asm/arch-spear/spr_smi.h
index 06df745..e2e5e8f 100644
--- a/arch/arm/include/asm/arch-spear/spr_smi.h
+++ b/arch/arm/include/asm/arch-spear/spr_smi.h
@@ -108,8 +108,8 @@ struct flash_dev {
ushort sector_count;
};
-#define SFLASH_PAGE_SIZE 0x100 /* flash page size */
-#define XFER_FINISH_TOUT 2 /* xfer finish timeout */
-#define WMODE_TOUT 2 /* write enable timeout */
+#define SFLASH_PAGE_SIZE 0x100 /* flash page size */
+#define XFER_FINISH_TOUT (3 * CONFIG_SYS_HZ)
+#define WMODE_TOUT (3 * CONFIG_SYS_HZ)
#endif
diff --git a/drivers/mtd/spr_smi.c b/drivers/mtd/spr_smi.c
index 9a70a19..189ee6d 100644
--- a/drivers/mtd/spr_smi.c
+++ b/drivers/mtd/spr_smi.c
@@ -60,11 +60,11 @@ static struct flash_dev flash_ids[] = {
*/
static void smi_wait_xfer_finish(int timeout)
{
- while (timeout--) {
+ do {
if (readl(&smicntl->smi_sr) & TFF)
break;
udelay(1000);
- }
+ } while (timeout--);
}
/*
@@ -215,11 +215,11 @@ static int smi_write_enable(int bank)
/* Restore the CTRL REG1 state */
writel(ctrlreg1, &smicntl->smi_cr1);
- while (timeout--) {
+ do {
if (smi_read_sr(bank) & (1 << (bank + WM_SHIFT)))
break;
udelay(1000);
- }
+ } while (timeout--);
if (timeout)
return 0;
--
1.6.0.2
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