[PATCH RESEND u-boot-spi 7/8] mtd: spi-nor-core: Check for ctrlc() in spi_nor_erase()

[Marek Behún]

May it possible to interrupt the spi_nor_erase() function.

Signed-off-by: Marek Behún <marek.behun at nic.cz>
Tested-by: Masami Hiramatsu <masami.hiramatsu at linaro.org>
---
 drivers/mtd/spi/spi-nor-core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 927823930c..81ecd1fe5a 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -927,6 +927,11 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
 
 	while (len) {
 		WATCHDOG_RESET();
+		if (ctrlc()) {
+			addr_known = false;
+			ret = -EINTR;
+			goto erase_err;
+		}
 #ifdef CONFIG_SPI_FLASH_BAR
 		ret = write_bar(nor, addr);
 		if (ret < 0)
-- 
2.31.1