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mtd: spi-nor: Add WATCHDOG_RESET() in spi_nor_core callbacks

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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@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrice Chotard 2021-01-20 14:42:01 +01:00
parent c5219c4a18
commit 5988575a90
1 changed files with 3 additions and 0 deletions
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3
drivers/mtd/spi/spi-nor-core.c
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@ -11,6 +11,7 @@
#include <common.h>
#include <log.h>
#include <watchdog.h>
#include <dm.h>
#include <dm/device_compat.h>
#include <dm/devres.h>
@ -566,6 +567,7 @@ 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)
@ -1250,6 +1252,7 @@ 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