st_smi: Move status register read before modifying ctrl register
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/mtd/st_smi.c b/drivers/mtd/st_smi.c
index 088c7c7..8c27603 100644
--- a/drivers/mtd/st_smi.c
+++ b/drivers/mtd/st_smi.c
@@ -148,7 +148,7 @@
*/
static int smi_read_sr(int bank)
{
- u32 ctrlreg1;
+ u32 ctrlreg1, val;
/* store the CTRL REG1 state */
ctrlreg1 = readl(&smicntl->smi_cr1);
@@ -163,10 +163,12 @@
if (smi_wait_xfer_finish(XFER_FINISH_TOUT))
return -1;
+ val = readl(&smicntl->smi_sr);
+
/* Restore the CTRL REG1 state */
writel(ctrlreg1, &smicntl->smi_cr1);
- return readl(&smicntl->smi_sr);
+ return val;
}
/*