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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-03-02 15:58:57 +0300
committerMark Brown <broonie@kernel.org>2015-03-06 23:33:38 +0300
commitc22c62db3f7388422257918c9d2582ef20d2e12d (patch)
tree89a6fb9009c5c6ce62673b48c320b1cb3370deef /drivers/spi/spi-dw.h
parent3e00803a97d1424e68a649a25b248f58d81d379d (diff)
downloadlinux-c22c62db3f7388422257918c9d2582ef20d2e12d.tar.xz
spi: dw: move to SPI core message handling
This patch removes a lot of duplicate code since SPI core provides a nice message handling. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-dw.h')
-rw-r--r--drivers/spi/spi-dw.h26
1 files changed, 0 insertions, 26 deletions
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 1a7f083c2217..855bfdd7b433 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -96,7 +96,6 @@ struct dw_spi_dma_ops {
struct dw_spi {
struct spi_master *master;
- struct spi_device *cur_dev;
enum dw_ssi_type type;
char name[16];
@@ -109,13 +108,7 @@ struct dw_spi {
u16 bus_num;
u16 num_cs; /* supported slave numbers */
- /* Message Transfer pump */
- struct tasklet_struct pump_transfers;
-
/* Current message transfer state info */
- struct spi_message *cur_msg;
- struct spi_transfer *cur_transfer;
- struct chip_data *cur_chip;
struct chip_data *prev_chip;
size_t len;
void *tx;
@@ -128,10 +121,8 @@ struct dw_spi {
size_t rx_map_len;
size_t tx_map_len;
u8 n_bytes; /* current is a 1/2 bytes op */
- u8 max_bits_per_word; /* maxim is 16b */
u32 dma_width;
irqreturn_t (*transfer_handler)(struct dw_spi *dws);
- void (*cs_control)(u32 command);
/* Dma info */
int dma_inited;
@@ -182,22 +173,6 @@ static inline void spi_set_clk(struct dw_spi *dws, u16 div)
dw_writel(dws, DW_SPI_BAUDR, div);
}
-static inline void spi_chip_sel(struct dw_spi *dws, struct spi_device *spi,
- int active)
-{
- u16 cs = spi->chip_select;
- int gpio_val = active ? (spi->mode & SPI_CS_HIGH) :
- !(spi->mode & SPI_CS_HIGH);
-
- if (dws->cs_control)
- dws->cs_control(active);
- if (gpio_is_valid(spi->cs_gpio))
- gpio_set_value(spi->cs_gpio, gpio_val);
-
- if (active)
- dw_writel(dws, DW_SPI_SER, 1 << cs);
-}
-
/* Disable IRQ bits */
static inline void spi_mask_intr(struct dw_spi *dws, u32 mask)
{
@@ -245,7 +220,6 @@ extern int dw_spi_add_host(struct device *dev, struct dw_spi *dws);
extern void dw_spi_remove_host(struct dw_spi *dws);
extern int dw_spi_suspend_host(struct dw_spi *dws);
extern int dw_spi_resume_host(struct dw_spi *dws);
-extern void dw_spi_xfer_done(struct dw_spi *dws);
/* platform related setup */
extern int dw_spi_mid_init(struct dw_spi *dws); /* Intel MID platforms */