Hi Patrice,
On 1/20/21 2:42 PM, Patrice Chotard wrote:
In case of big area write/erase on spi nor, watchdog timeout may occurs.
Issue reproduced on stm32mp157c-ev1 with following commands:
sf write 0xC0000000 0 0x3000000
or
sf erase 0 0x1000000
Signed-off-by: Patrice Chotard <patrice.chot...@foss.st.com>
---
drivers/mtd/spi/spi-nor-core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index eb49a6c11c..51e0613d4c 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -10,6 +10,7 @@
*/
#include <common.h>
+#include <watchdog.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/log2.h>
@@ -557,6 +558,7 @@ static int spi_nor_erase(struct mtd_info *mtd, struct
erase_info *instr)
len = instr->len;
while (len) {
+ WATCHDOG_RESET();
#ifdef CONFIG_SPI_FLASH_BAR
ret = write_bar(nor, addr);
if (ret < 0)
@@ -1235,6 +1237,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to,
size_t len,
for (i = 0; i < len; ) {
ssize_t written;
loff_t addr = to + i;
+ WATCHDOG_RESET();
/*
* If page_size is a power of two, the offset can be quickly
Reviewed-by: Patrick Delaunay <patrick.delau...@foss.st.com>
Thanks
Patrick
