From 4df24f2c40e3ae4856cc484e8d75f9cf12f9161c Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Thu, 1 Jun 2017 09:32:19 +0200 Subject: [PATCH] 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 Reviewed-by: York Sun --- 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; -- 2.39.5