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imxrt: lpspi dma invalidate cache after exchange

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Peter van der Perk 2023-07-07 09:42:54 +02:00 committed by Alan Carvalho de Assis
parent 50428979d0
commit 87a51f4faa
1 changed files with 6 additions and 6 deletions
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12
arch/arm/src/imxrt/imxrt_lpspi.c
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@ -1361,12 +1361,6 @@ static void imxrt_lpspi_exchange(struct spi_dev_s *dev,
up_clean_dcache((uintptr_t)txbuffer, (uintptr_t)txbuffer + nbytes); up_clean_dcache((uintptr_t)txbuffer, (uintptr_t)txbuffer + nbytes);
} }
if (rxbuffer)
{
up_invalidate_dcache((uintptr_t)rxbuffer,
(uintptr_t)rxbuffer + nbytes);
}
/* Set up the DMA */ /* Set up the DMA */
adjust = (priv->nbits > 8) ? 2 : 1; adjust = (priv->nbits > 8) ? 2 : 1;
@ -1429,6 +1423,12 @@ static void imxrt_lpspi_exchange(struct spi_dev_s *dev,
/* Disable DMA */ /* Disable DMA */
imxrt_lpspi_putreg32(priv, IMXRT_LPSPI_DER_OFFSET, 0); imxrt_lpspi_putreg32(priv, IMXRT_LPSPI_DER_OFFSET, 0);
if (rxbuffer)
{
up_invalidate_dcache((uintptr_t)rxbuffer,
(uintptr_t)rxbuffer + nbytes);
}
} }
#endif /* CONFIG_IMXRT_SPI_DMA */ #endif /* CONFIG_IMXRT_SPI_DMA */