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[6/6] spi: rockchip: clear interrupt status in error handler

Message ID 20220211034344.4130-7-jon.lin@rock-chips.com (mailing list archive)
State New, archived
Headers show
Series [1/6] spi: rockchip: Stop spi slave dma receiver when cs inactive | expand

Commit Message

Jon Lin Feb. 11, 2022, 3:43 a.m. UTC 
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 <jon.lin@rock-chips.com>
---

 drivers/spi/spi-rockchip.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 3d4e95eda4a6..bc547b79a2a1 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -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);