Unverified Commit 5e9c5236 authored Dec 04, 2019 by Huanpeng Xin Committed by Mark Brown Dec 04, 2019

spi: sprd: Fix the incorrect SPI register

The original code used an incorrect SPI register to initialize the SPI
controller in sprd_spi_init_hw(), thus fix it.

Fixes: e7d973a3 ("spi: sprd: Add SPI driver for Spreadtrum SC9860")
Signed-off-by: Huanpeng Xin <huanpeng.xin@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/b4f7f89ec0fdc595335687bfbd9f962213bc4a1d.1575443510.git.baolin.wang7@gmail.com

Signed-off-by: Mark Brown <broonie@kernel.org>

parent a1f4c96b

drivers/spi/spi-sprd.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -678,7 +678,7 @@ static int sprd_spi_init_hw(struct sprd_spi ss, struct spi_transfer t)
		if (d->unit != SPI_DELAY_UNIT_SCK)
		return -EINVAL;

		val = readl_relaxed(ss->base + SPRD_SPI_CTL7);
		val = readl_relaxed(ss->base + SPRD_SPI_CTL0);
		val &= ~(SPRD_SPI_SCK_REV \| SPRD_SPI_NG_TX \| SPRD_SPI_NG_RX);
		/* Set default chip selection, clock phase and clock polarity */
		val \|= ss->hw_mode & SPI_CPHA ? SPRD_SPI_NG_RX : SPRD_SPI_NG_TX;