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fsl_qspi: Pet the watchdog while reading/writing
When reading a large blob. e.g. a linux kernel (several MiBs) a watchdog timeout might occur meanwhile. So pet the watchdog while operating on the flash. Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Reviewed-by: York Sun <yorksun@freescale.com>
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@ -13,6 +13,7 @@
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#include <linux/sizes.h>
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#include <dm.h>
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#include <errno.h>
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#include <watchdog.h>
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#include "fsl_qspi.h"
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DECLARE_GLOBAL_DATA_PTR;
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@ -527,6 +528,8 @@ static void qspi_op_read(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len)
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to_or_from = priv->sf_addr + priv->cur_amba_base;
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while (len > 0) {
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WATCHDOG_RESET();
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qspi_write32(priv->flags, ®s->sfar, to_or_from);
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size = (len > RX_BUFFER_SIZE) ?
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@ -574,6 +577,8 @@ static void qspi_op_write(struct fsl_qspi_priv *priv, u8 *txbuf, u32 len)
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status_reg = 0;
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while ((status_reg & FLASH_STATUS_WEL) != FLASH_STATUS_WEL) {
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WATCHDOG_RESET();
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qspi_write32(priv->flags, ®s->ipcr,
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(SEQID_WREN << QSPI_IPCR_SEQID_SHIFT) | 0);
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while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK)
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