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>

diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index e61c67b088bc7e267f44eaec916df7628b9fa5b4..1dfa89afc9c84eb6617359febef54687910ec064 100644 (file)
--- 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, &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;