From: Huanpeng Xin Date: Wed, 4 Dec 2019 07:13:59 +0000 (+0800) Subject: spi: sprd: Fix the incorrect SPI register X-Git-Tag: v5.4.13~39 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=98cb3486aa2b7b7a74ae469315f3976f209f5c76;p=platform%2Fkernel%2Flinux-rpi.git spi: sprd: Fix the incorrect SPI register commit 5e9c5236b7b86779b53b762f7e66240c3f18314b upstream. The original code used an incorrect SPI register to initialize the SPI controller in sprd_spi_init_hw(), thus fix it. Fixes: e7d973a31c24 ("spi: sprd: Add SPI driver for Spreadtrum SC9860") Signed-off-by: Huanpeng Xin Signed-off-by: Baolin Wang Link: https://lore.kernel.org/r/b4f7f89ec0fdc595335687bfbd9f962213bc4a1d.1575443510.git.baolin.wang7@gmail.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/spi/spi-sprd.c b/drivers/spi/spi-sprd.c index 8c9021b..fa597e2 100644 --- a/drivers/spi/spi-sprd.c +++ b/drivers/spi/spi-sprd.c @@ -674,7 +674,7 @@ static void sprd_spi_init_hw(struct sprd_spi *ss, struct spi_transfer *t) u16 word_delay, interval; u32 val; - 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;