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spi: rockchip: clear interrupt status in error handler

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The interrupt status bit of the previous error data transmition will
affect the next operation and cause continuous SPI transmission failure.

Signed-off-by: Jon Lin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Jon Lin
2022-02-17 17:15:11 +00:00
committed by Mark Brown
parent e882575efc
commit 2fcdde56c4
1 changed files with 2 additions and 1 deletions
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drivers/spi/spi-rockchip.c
+2 -1
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@@ -278,8 +278,9 @@ static void rockchip_spi_handle_err(struct spi_controller *ctlr,
*/
spi_enable_chip(rs, false);
/* make sure all interrupts are masked */
/* make sure all interrupts are masked and status cleared */
writel_relaxed(0, rs->regs + ROCKCHIP_SPI_IMR);
writel_relaxed(0xffffffff, rs->regs + ROCKCHIP_SPI_ICR);
if (atomic_read(&rs->state) & TXDMA)
dmaengine_terminate_async(ctlr->dma_tx);