From: leilk.liu leilk.liu@mediatek.com
[ Upstream commit 44b37eb79e16a56cb30ba55b2da452396b941e7a ]
this patch use correct SPI_CFG2_REG offset.
Signed-off-by: leilk.liu leilk.liu@mediatek.com Link: https://lore.kernel.org/r/20200701090020.7935-1-leilk.liu@mediatek.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/spi/spi-mt65xx.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 0c2867deb36fc..da28c52c9da19 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -41,7 +41,6 @@ #define SPI_CFG0_SCK_LOW_OFFSET 8 #define SPI_CFG0_CS_HOLD_OFFSET 16 #define SPI_CFG0_CS_SETUP_OFFSET 24 -#define SPI_ADJUST_CFG0_SCK_LOW_OFFSET 16 #define SPI_ADJUST_CFG0_CS_HOLD_OFFSET 0 #define SPI_ADJUST_CFG0_CS_SETUP_OFFSET 16
@@ -53,6 +52,8 @@ #define SPI_CFG1_CS_IDLE_MASK 0xff #define SPI_CFG1_PACKET_LOOP_MASK 0xff00 #define SPI_CFG1_PACKET_LENGTH_MASK 0x3ff0000 +#define SPI_CFG2_SCK_HIGH_OFFSET 0 +#define SPI_CFG2_SCK_LOW_OFFSET 16
#define SPI_CMD_ACT BIT(0) #define SPI_CMD_RESUME BIT(1) @@ -259,7 +260,7 @@ static void mtk_spi_set_cs(struct spi_device *spi, bool enable) static void mtk_spi_prepare_transfer(struct spi_master *master, struct spi_transfer *xfer) { - u32 spi_clk_hz, div, sck_time, cs_time, reg_val = 0; + u32 spi_clk_hz, div, sck_time, cs_time, reg_val; struct mtk_spi *mdata = spi_master_get_devdata(master);
spi_clk_hz = clk_get_rate(mdata->spi_clk); @@ -272,18 +273,18 @@ static void mtk_spi_prepare_transfer(struct spi_master *master, cs_time = sck_time * 2;
if (mdata->dev_comp->enhance_timing) { + reg_val = (((sck_time - 1) & 0xffff) + << SPI_CFG2_SCK_HIGH_OFFSET); reg_val |= (((sck_time - 1) & 0xffff) - << SPI_CFG0_SCK_HIGH_OFFSET); - reg_val |= (((sck_time - 1) & 0xffff) - << SPI_ADJUST_CFG0_SCK_LOW_OFFSET); + << SPI_CFG2_SCK_LOW_OFFSET); writel(reg_val, mdata->base + SPI_CFG2_REG); - reg_val |= (((cs_time - 1) & 0xffff) + reg_val = (((cs_time - 1) & 0xffff) << SPI_ADJUST_CFG0_CS_HOLD_OFFSET); reg_val |= (((cs_time - 1) & 0xffff) << SPI_ADJUST_CFG0_CS_SETUP_OFFSET); writel(reg_val, mdata->base + SPI_CFG0_REG); } else { - reg_val |= (((sck_time - 1) & 0xff) + reg_val = (((sck_time - 1) & 0xff) << SPI_CFG0_SCK_HIGH_OFFSET); reg_val |= (((sck_time - 1) & 0xff) << SPI_CFG0_SCK_LOW_OFFSET); reg_val |= (((cs_time - 1) & 0xff) << SPI_CFG0_CS_HOLD_OFFSET);