diff options
Diffstat (limited to 'drivers/spi/spi-rockchip.c')
| -rw-r--r-- | drivers/spi/spi-rockchip.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 4b9669da2..e1ecd96c7 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -160,8 +160,7 @@ */ #define ROCKCHIP_SPI_MAX_TRANLEN 0xffff -/* 2 for native cs, 2 for cs-gpio */ -#define ROCKCHIP_SPI_MAX_CS_NUM 4 +#define ROCKCHIP_SPI_MAX_NATIVE_CS_NUM 2 #define ROCKCHIP_SPI_VER2_TYPE1 0x05EC0002 #define ROCKCHIP_SPI_VER2_TYPE2 0x00110002 @@ -192,8 +191,6 @@ struct rockchip_spi { u8 n_bytes; u8 rsd; - bool cs_asserted[ROCKCHIP_SPI_MAX_CS_NUM]; - bool target_abort; bool cs_inactive; /* spi target tansmition stop when cs inactive */ bool cs_high_supported; /* native CS supports active-high polarity */ @@ -245,10 +242,6 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable) struct rockchip_spi *rs = spi_controller_get_devdata(ctlr); bool cs_asserted = spi->mode & SPI_CS_HIGH ? enable : !enable; - /* Return immediately for no-op */ - if (cs_asserted == rs->cs_asserted[spi_get_chipselect(spi, 0)]) - return; - if (cs_asserted) { /* Keep things powered as long as CS is asserted */ pm_runtime_get_sync(rs->dev); @@ -268,8 +261,6 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable) /* Drop reference from when we first asserted CS */ pm_runtime_put(rs->dev); } - - rs->cs_asserted[spi_get_chipselect(spi, 0)] = cs_asserted; } static void rockchip_spi_handle_err(struct spi_controller *ctlr, @@ -847,7 +838,7 @@ static int rockchip_spi_probe(struct platform_device *pdev) ctlr->target_abort = rockchip_spi_target_abort; } else { ctlr->flags = SPI_CONTROLLER_GPIO_SS; - ctlr->max_native_cs = ROCKCHIP_SPI_MAX_CS_NUM; + ctlr->max_native_cs = ROCKCHIP_SPI_MAX_NATIVE_CS_NUM; /* * rk spi0 has two native cs, spi1..5 one cs only * if num-cs is missing in the dts, default to 1 |