Unverified Commit 2fcdde56 authored by Jon Lin's avatar Jon Lin Committed by Mark Brown
Browse files

spi: rockchip: clear interrupt status in error handler 



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

Signed-off-by: default avatarJon Lin <jon.lin@rock-chips.com>
Link: https://lore.kernel.org/r/20220216014028.8123-7-jon.lin@rock-chips.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e882575e

drivers/spi/spi-rockchip.c

+2 −1
Original line number Diff line number Diff line
@@ -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);