[Uboot-stm32] [PATCH 4/4] mtd: spinand: Add WATCHDOG_RESET() in spinand_mtd_read/write()

Patrice CHOTARD patrice.chotard at foss.st.com
Fri Mar 12 13:19:40 CET 2021


Hi

On 1/27/21 4:19 PM, Patrick DELAUNAY wrote:
> Hi,
> 
> On 1/20/21 2:42 PM, Patrice Chotard wrote:
>> In case of big area read/write on spi nand, watchdog timeout may occurs.
>> To fix that, add WATCHDOG_RESET() in spinand_mtd_read() and
>> spinand_mtd_write() to ensure that watchdog is reset.
>>
>> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
>>
>> ---
>>
>>   drivers/mtd/nand/spi/core.c | 3 +++
>>   1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
>> index cb8ffa3fa9..7f54422c93 100644
>> --- a/drivers/mtd/nand/spi/core.c
>> +++ b/drivers/mtd/nand/spi/core.c
>> @@ -24,6 +24,7 @@
>>   #include <errno.h>
>>   #include <spi.h>
>>   #include <spi-mem.h>
>> +#include <watchdog.h>
>>   #include <linux/mtd/spinand.h>
>>   #endif
>>   @@ -574,6 +575,7 @@ static int spinand_mtd_read(struct mtd_info *mtd, loff_t from,
>>   #endif
>>         nanddev_io_for_each_page(nand, from, ops, &iter) {
>> +        WATCHDOG_RESET();
>>           ret = spinand_select_target(spinand, iter.req.pos.target);
>>           if (ret)
>>               break;
>> @@ -625,6 +627,7 @@ static int spinand_mtd_write(struct mtd_info *mtd, loff_t to,
>>   #endif
>>         nanddev_io_for_each_page(nand, to, ops, &iter) {
>> +        WATCHDOG_RESET();
>>           ret = spinand_select_target(spinand, iter.req.pos.target);
>>           if (ret)
>>               break;
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> Thanks
> 
> Patrick
> 
> 
Applied to u-boot-stm/next

Thanks

Patrice


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