When reading large data in once (reading 512MiB is tested on MT7623), a watchdog timeout is triggered due to watchdog not being fed.
This patch adds WATCHDOG_RESET() to msdc_start_data() so the watchdog will be fed every 1024 blocks are read/written.
Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- drivers/mmc/mtk-sd.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index e0ac3e9d69..49085090c8 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -13,6 +13,7 @@ #include <errno.h> #include <malloc.h> #include <stdbool.h> +#include <watchdog.h> #include <asm/gpio.h> #include <dm/pinctrl.h> #include <linux/bitops.h> @@ -623,6 +624,8 @@ static int msdc_start_data(struct msdc_host *host, struct mmc_data *data) u32 size; int ret;
+ WATCHDOG_RESET(); + if (data->flags == MMC_DATA_WRITE) host->last_data_write = 1;