[U-Boot] [PATCH 1/1] spi: fsl_qspi: Pet watchdog even more
Alexander Stein
alexander.stein at systec-electronic.com
Thu Jun 1 07:32:19 UTC 2017
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 at systec-electronic.com>
---
drivers/spi/fsl_qspi.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index e61c67b088..1dfa89afc9 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -493,6 +493,8 @@ static void qspi_op_rdbank(struct fsl_qspi_priv *priv, u8 *rxbuf, u32 len)
;
while (1) {
+ WATCHDOG_RESET();
+
reg = qspi_read32(priv->flags, ®s->rbsr);
if (reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(priv->flags, ®s->rbdr[0]);
@@ -530,6 +532,8 @@ static void qspi_op_rdid(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len)
i = 0;
while ((RX_BUFFER_SIZE >= len) && (len > 0)) {
+ WATCHDOG_RESET();
+
rbsr_reg = qspi_read32(priv->flags, ®s->rbsr);
if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(priv->flags, ®s->rbdr[i]);
@@ -702,6 +706,8 @@ static void qspi_op_rdsr(struct fsl_qspi_priv *priv, void *rxbuf, u32 len)
;
while (1) {
+ WATCHDOG_RESET();
+
reg = qspi_read32(priv->flags, ®s->rbsr);
if (reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(priv->flags, ®s->rbdr[0]);
@@ -757,6 +763,8 @@ int qspi_xfer(struct fsl_qspi_priv *priv, unsigned int bitlen,
static u32 wr_sfaddr;
u32 txbuf;
+ WATCHDOG_RESET();
+
if (dout) {
if (flags & SPI_XFER_BEGIN) {
priv->cur_seqid = *(u8 *)dout;
--
2.13.0
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