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spi: fsl_qspi: Pet watchdog even more

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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>
This commit is contained in:
Alexander Stein 2017-06-01 09:32:19 +02:00 committed by York Sun
parent a65d740821
commit 4df24f2c40
1 changed files with 8 additions and 0 deletions
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8
drivers/spi/fsl_qspi.c
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@ -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, &regs->rbsr);
if (reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(priv->flags, &regs->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, &regs->rbsr);
if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(priv->flags, &regs->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, &regs->rbsr);
if (reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(priv->flags, &regs->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;