spi_xx25xx: Repair the spi bus locking mechanism when waiting for write completion
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@ -377,6 +377,7 @@ static void ee25xx_waitwritecomplete(struct ee25xx_dev_s *priv)
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{
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/* Select this FLASH part */
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ee25xx_lock(priv->spi);
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SPI_SELECT(priv->spi, SPIDEV_EEPROM(0), true);
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/* Send "Read Status Register (RDSR)" command */
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@ -392,6 +393,7 @@ static void ee25xx_waitwritecomplete(struct ee25xx_dev_s *priv)
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/* Deselect the FLASH */
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SPI_SELECT(priv->spi, SPIDEV_EEPROM(0), false);
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ee25xx_unlock(priv->spi);
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/* Given that writing could take up to a few milliseconds,
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* the following short delay in the "busy" case will allow
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@ -400,9 +402,7 @@ static void ee25xx_waitwritecomplete(struct ee25xx_dev_s *priv)
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if ((status & EE25XX_SR_WIP) != 0)
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{
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ee25xx_unlock(priv->spi);
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nxsig_usleep(1000);
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ee25xx_lock(priv->spi);
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}
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}
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while ((status & EE25XX_SR_WIP) != 0);
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