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path: root/drivers/spi
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Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-pci1xxxx.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/spi/spi-pci1xxxx.c b/drivers/spi/spi-pci1xxxx.c
index 82d4bfeea1fa..4445d82409d6 100644
--- a/drivers/spi/spi-pci1xxxx.c
+++ b/drivers/spi/spi-pci1xxxx.c
@@ -114,17 +114,14 @@ static void pci1xxxx_spi_set_cs(struct spi_device *spi, bool enable)
/* Set the DEV_SEL bits of the SPI_MST_CTL_REG */
regval = readl(par->reg_base + SPI_MST_CTL_REG_OFFSET(p->hw_inst));
- if (enable) {
+ if (!enable) {
+ regval |= SPI_FORCE_CE;
regval &= ~SPI_MST_CTL_DEVSEL_MASK;
regval |= (spi_get_chipselect(spi, 0) << 25);
- writel(regval,
- par->reg_base + SPI_MST_CTL_REG_OFFSET(p->hw_inst));
} else {
- regval &= ~(spi_get_chipselect(spi, 0) << 25);
- writel(regval,
- par->reg_base + SPI_MST_CTL_REG_OFFSET(p->hw_inst));
-
+ regval &= ~SPI_FORCE_CE;
}
+ writel(regval, par->reg_base + SPI_MST_CTL_REG_OFFSET(p->hw_inst));
}
static u8 pci1xxxx_get_clock_div(u32 hz)
@@ -199,7 +196,7 @@ static int pci1xxxx_spi_transfer_one(struct spi_controller *spi_ctlr,
else
regval &= ~SPI_MST_CTL_MODE_SEL;
- regval |= ((clkdiv << 5) | SPI_FORCE_CE);
+ regval |= (clkdiv << 5);
regval &= ~SPI_MST_CTL_CMD_LEN_MASK;
regval |= (len << 8);
writel(regval, par->reg_base +
@@ -223,10 +220,6 @@ static int pci1xxxx_spi_transfer_one(struct spi_controller *spi_ctlr,
}
}
}
-
- regval = readl(par->reg_base + SPI_MST_CTL_REG_OFFSET(p->hw_inst));
- regval &= ~SPI_FORCE_CE;
- writel(regval, par->reg_base + SPI_MST_CTL_REG_OFFSET(p->hw_inst));
p->spi_xfer_in_progress = false;
return 0;