[PATCH 1/4] mtd: spi-nor: Add WATCHDOG_RESET() in spi_nor_core callbacks

[Patrice Chotard]

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.chotard at 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
-- 
2.17.1