[Uboot-stm32] [PATCH 1/4] mtd: spi-nor: Add WATCHDOG_RESET() in spi_nor_core callbacks

[Patrice CHOTARD]

Hi

On 1/27/21 4:14 PM, Patrick DELAUNAY wrote:
> 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.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
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> 
> Patrick
> 
> 

Applied to u-boot-stm/next

Thanks

Patrice