This patch saves/restores chconf0 for all CSs instead of only for CS0
Signed-off-by: Jouni Hogander <[email protected]>
---
drivers/spi/omap2_mcspi.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index a7ee3b7..45632dd 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -142,7 +142,7 @@ struct omap2_mcspi_cs {
struct omap2_mcspi_regs {
u32 sysconfig;
u32 modulctrl;
- u32 chconf0;
+ u32 chconf0[4];
u32 wakeupenable;
};
@@ -238,8 +238,8 @@ static void omap2_mcspi_set_master_mode(struct spi_master
*master)
static void omap2_mcspi_restore_ctx(struct omap2_mcspi *mcspi)
{
- struct spi_master *spi_cntrl;
- spi_cntrl = mcspi->master;
+ struct spi_master *spi_cntrl = mcspi->master;
+ int i;
/* McSPI: context restore */
mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_MODULCTRL,
@@ -248,9 +248,9 @@ static void omap2_mcspi_restore_ctx(struct omap2_mcspi
*mcspi)
mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_SYSCONFIG,
omap2_mcspi_ctx[spi_cntrl->bus_num - 1].sysconfig);
- mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_CHCONF0,
- omap2_mcspi_ctx[spi_cntrl->bus_num - 1].chconf0);
-
+ for (i = 0; i < spi_cntrl->num_chipselect; i++)
+ mcspi_write_reg(spi_cntrl, i * 0x14 + OMAP2_MCSPI_CHCONF0,
+ omap2_mcspi_ctx[spi_cntrl->bus_num -
1].chconf0[i]);
mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_WAKEUPENABLE,
omap2_mcspi_ctx[spi_cntrl->bus_num - 1].wakeupenable);
@@ -593,7 +593,7 @@ static int omap2_mcspi_setup_transfer(struct spi_device
*spi,
mcspi_write_cs_reg(spi, OMAP2_MCSPI_CHCONF0, l);
- omap2_mcspi_ctx[spi_cntrl->bus_num - 1].chconf0 = l;
+ omap2_mcspi_ctx[spi_cntrl->bus_num - 1].chconf0[spi->chip_select] = l;
dev_dbg(&spi->dev, "setup: speed %d, sample %s edge, clk %s\n",
OMAP2_MCSPI_MAX_FREQ / (1 << div),
--
1.6.0.1
--
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