commit 4df24f2c40e3ae4856cc484e8d75f9cf12f9161c
author Alexander Stein <alexander.stein@systec-electronic.com> Thu Jun 01 09:32:19 2017 +0200
committer York Sun <york.sun@nxp.com> Tue Aug 01 08:28:56 2017 -0700
tree c8c0a1be153acf1d590ef52f58c34cfb712eb250
parent a65d740821ebf123287cc541750e4ac667ef9886

spi: fsl_qspi: Pet watchdog even more

Pet the watchdog once upon each command call (qspi_xfer) and during
each loop iteration in several commands.

This fixes a watchdog reset especially during erase command.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Reviewed-by: York Sun <york.sun@nxp.com>

drivers/spi/fsl_qspi.c

diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index e61c67b..1dfa89a 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -493,6 +493,8 @@
 		;
 
 	while (1) {
+		WATCHDOG_RESET();
+
 		reg = qspi_read32(priv->flags, &regs->rbsr);
 		if (reg & QSPI_RBSR_RDBFL_MASK) {
 			data = qspi_read32(priv->flags, &regs->rbdr[0]);
@@ -530,6 +532,8 @@
 
 	i = 0;
 	while ((RX_BUFFER_SIZE >= len) && (len > 0)) {
+		WATCHDOG_RESET();
+
 		rbsr_reg = qspi_read32(priv->flags, &regs->rbsr);
 		if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) {
 			data = qspi_read32(priv->flags, &regs->rbdr[i]);
@@ -702,6 +706,8 @@
 		;
 
 	while (1) {
+		WATCHDOG_RESET();
+
 		reg = qspi_read32(priv->flags, &regs->rbsr);
 		if (reg & QSPI_RBSR_RDBFL_MASK) {
 			data = qspi_read32(priv->flags, &regs->rbdr[0]);
@@ -757,6 +763,8 @@
 	static u32 wr_sfaddr;
 	u32 txbuf;
 
+	WATCHDOG_RESET();
+
 	if (dout) {
 		if (flags & SPI_XFER_BEGIN) {
 			priv->cur_seqid = *(u8 *)dout;