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-rw-r--r--drivers/spi/spi_imx.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c
index 60a52d173d8..23db9840b9a 100644
--- a/drivers/spi/spi_imx.c
+++ b/drivers/spi/spi_imx.c
@@ -56,7 +56,7 @@ struct spi_imx_config {
unsigned int speed_hz;
unsigned int bpw;
unsigned int mode;
- int cs;
+ u8 cs;
};
enum spi_imx_devtype {
@@ -218,6 +218,7 @@ static int __maybe_unused spi_imx0_4_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
+ int cs = spi_imx->chipselect[config->cs];
reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
MX31_CSPICTRL_DR_SHIFT;
@@ -230,9 +231,8 @@ static int __maybe_unused spi_imx0_4_config(struct spi_imx_data *spi_imx,
reg |= MX31_CSPICTRL_POL;
if (config->mode & SPI_CS_HIGH)
reg |= MX31_CSPICTRL_SSPOL;
- if (config->cs < 0) {
- reg |= (config->cs + 32) << MX31_CSPICTRL_CS_SHIFT;
- }
+ if (cs < 0)
+ reg |= (cs + 32) << MX31_CSPICTRL_CS_SHIFT;
writel(reg, spi_imx->base + MXC_CSPICTRL);
@@ -243,6 +243,7 @@ static int __maybe_unused spi_imx0_7_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
+ int cs = spi_imx->chipselect[config->cs];
reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
MX31_CSPICTRL_DR_SHIFT;
@@ -256,8 +257,8 @@ static int __maybe_unused spi_imx0_7_config(struct spi_imx_data *spi_imx,
reg |= MX31_CSPICTRL_POL;
if (config->mode & SPI_CS_HIGH)
reg |= MX31_CSPICTRL_SSPOL;
- if (config->cs < 0)
- reg |= (config->cs + 32) << MX35_CSPICTRL_CS_SHIFT;
+ if (cs < 0)
+ reg |= (cs + 32) << MX35_CSPICTRL_CS_SHIFT;
writel(reg, spi_imx->base + MXC_CSPICTRL);
@@ -314,6 +315,7 @@ static int __maybe_unused mx27_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
unsigned int reg = MX27_CSPICTRL_ENABLE | MX27_CSPICTRL_MASTER;
+ int cs = spi_imx->chipselect[config->cs];
reg |= spi_imx_clkdiv_1(spi_imx->spi_clk, config->speed_hz) <<
MX27_CSPICTRL_DR_SHIFT;
@@ -325,8 +327,8 @@ static int __maybe_unused mx27_config(struct spi_imx_data *spi_imx,
reg |= MX27_CSPICTRL_POL;
if (config->mode & SPI_CS_HIGH)
reg |= MX27_CSPICTRL_SSPOL;
- if (config->cs < 0)
- reg |= (config->cs + 32) << MX27_CSPICTRL_CS_SHIFT;
+ if (cs < 0)
+ reg |= (cs + 32) << MX27_CSPICTRL_CS_SHIFT;
writel(reg, spi_imx->base + MXC_CSPICTRL);
@@ -510,7 +512,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
config.bpw = t ? t->bits_per_word : spi->bits_per_word;
config.speed_hz = t ? t->speed_hz : spi->max_speed_hz;
config.mode = spi->mode;
- config.cs = spi_imx->chipselect[spi->chip_select];
+ config.cs = spi->chip_select;
if (!config.speed_hz)
config.speed_hz = spi->max_speed_hz;