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 ---
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