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Diffstat (limited to 'drivers/spi/spi-imx.c')
-rw-r--r--drivers/spi/spi-imx.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index d954b6d958c2..72c879226abd 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -60,7 +60,8 @@ struct spi_imx_data;
struct spi_imx_devtype_data {
void (*intctrl)(struct spi_imx_data *, int);
int (*prepare_message)(struct spi_imx_data *, struct spi_message *);
- int (*config)(struct spi_device *);
+ int (*prepare_transfer)(struct spi_imx_data *, struct spi_device *,
+ struct spi_transfer *);
void (*trigger)(struct spi_imx_data *);
int (*rx_available)(struct spi_imx_data *);
void (*reset)(struct spi_imx_data *);
@@ -556,9 +557,10 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx,
return 0;
}
-static int mx51_ecspi_config(struct spi_device *spi)
+static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
+ struct spi_device *spi,
+ struct spi_transfer *t)
{
- struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
u32 ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL);
u32 clk = spi_imx->speed_hz, delay;
@@ -685,9 +687,10 @@ static int mx31_prepare_message(struct spi_imx_data *spi_imx,
return 0;
}
-static int mx31_config(struct spi_device *spi)
+static int mx31_prepare_transfer(struct spi_imx_data *spi_imx,
+ struct spi_device *spi,
+ struct spi_transfer *t)
{
- struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
unsigned int clk;
@@ -789,9 +792,10 @@ static int mx21_prepare_message(struct spi_imx_data *spi_imx,
return 0;
}
-static int mx21_config(struct spi_device *spi)
+static int mx21_prepare_transfer(struct spi_imx_data *spi_imx,
+ struct spi_device *spi,
+ struct spi_transfer *t)
{
- struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
unsigned int reg = MX21_CSPICTRL_ENABLE | MX21_CSPICTRL_MASTER;
unsigned int max = is_imx27_cspi(spi_imx) ? 16 : 18;
unsigned int clk;
@@ -864,9 +868,10 @@ static int mx1_prepare_message(struct spi_imx_data *spi_imx,
return 0;
}
-static int mx1_config(struct spi_device *spi)
+static int mx1_prepare_transfer(struct spi_imx_data *spi_imx,
+ struct spi_device *spi,
+ struct spi_transfer *t)
{
- struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
unsigned int reg = MX1_CSPICTRL_ENABLE | MX1_CSPICTRL_MASTER;
unsigned int clk;
@@ -899,7 +904,7 @@ static void mx1_reset(struct spi_imx_data *spi_imx)
static struct spi_imx_devtype_data imx1_cspi_devtype_data = {
.intctrl = mx1_intctrl,
.prepare_message = mx1_prepare_message,
- .config = mx1_config,
+ .prepare_transfer = mx1_prepare_transfer,
.trigger = mx1_trigger,
.rx_available = mx1_rx_available,
.reset = mx1_reset,
@@ -913,7 +918,7 @@ static struct spi_imx_devtype_data imx1_cspi_devtype_data = {
static struct spi_imx_devtype_data imx21_cspi_devtype_data = {
.intctrl = mx21_intctrl,
.prepare_message = mx21_prepare_message,
- .config = mx21_config,
+ .prepare_transfer = mx21_prepare_transfer,
.trigger = mx21_trigger,
.rx_available = mx21_rx_available,
.reset = mx21_reset,
@@ -928,7 +933,7 @@ static struct spi_imx_devtype_data imx27_cspi_devtype_data = {
/* i.mx27 cspi shares the functions with i.mx21 one */
.intctrl = mx21_intctrl,
.prepare_message = mx21_prepare_message,
- .config = mx21_config,
+ .prepare_transfer = mx21_prepare_transfer,
.trigger = mx21_trigger,
.rx_available = mx21_rx_available,
.reset = mx21_reset,
@@ -942,7 +947,7 @@ static struct spi_imx_devtype_data imx27_cspi_devtype_data = {
static struct spi_imx_devtype_data imx31_cspi_devtype_data = {
.intctrl = mx31_intctrl,
.prepare_message = mx31_prepare_message,
- .config = mx31_config,
+ .prepare_transfer = mx31_prepare_transfer,
.trigger = mx31_trigger,
.rx_available = mx31_rx_available,
.reset = mx31_reset,
@@ -957,7 +962,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
/* i.mx35 and later cspi shares the functions with i.mx31 one */
.intctrl = mx31_intctrl,
.prepare_message = mx31_prepare_message,
- .config = mx31_config,
+ .prepare_transfer = mx31_prepare_transfer,
.trigger = mx31_trigger,
.rx_available = mx31_rx_available,
.reset = mx31_reset,
@@ -971,7 +976,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
static struct spi_imx_devtype_data imx51_ecspi_devtype_data = {
.intctrl = mx51_ecspi_intctrl,
.prepare_message = mx51_ecspi_prepare_message,
- .config = mx51_ecspi_config,
+ .prepare_transfer = mx51_ecspi_prepare_transfer,
.trigger = mx51_ecspi_trigger,
.rx_available = mx51_ecspi_rx_available,
.reset = mx51_ecspi_reset,
@@ -987,7 +992,7 @@ static struct spi_imx_devtype_data imx51_ecspi_devtype_data = {
static struct spi_imx_devtype_data imx53_ecspi_devtype_data = {
.intctrl = mx51_ecspi_intctrl,
.prepare_message = mx51_ecspi_prepare_message,
- .config = mx51_ecspi_config,
+ .prepare_transfer = mx51_ecspi_prepare_transfer,
.trigger = mx51_ecspi_trigger,
.rx_available = mx51_ecspi_rx_available,
.reset = mx51_ecspi_reset,
@@ -1230,7 +1235,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
spi_imx->slave_burst = t->len;
}
- spi_imx->devtype_data->config(spi);
+ spi_imx->devtype_data->prepare_transfer(spi_imx, spi, t);
return 0;
}