FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-23 01:40:30 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'spi/topic/pxa' into spi-next

Browse Source
This commit is contained in:
Mark Brown 2013-09-01 13:49:05 +01:00
commit 793b3cb6ac
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/spi/spi-pxa2xx.c
View File

@ -69,6 +69,8 @@ MODULE_ALIAS("platform:pxa2xx-spi");
#define LPSS_TX_HITHRESH_DFLT 224
/* Offset from drv_data->lpss_base */
#define GENERAL_REG 0x08
#define GENERAL_REG_RXTO_HOLDOFF_DISABLE BIT(24)
#define SSP_REG 0x0c
#define SPI_CS_CONTROL 0x18
#define SPI_CS_CONTROL_SW_MODE BIT(0)
@ -142,8 +144,13 @@ detection_done:
__lpss_ssp_write_priv(drv_data, SPI_CS_CONTROL, value);
/* Enable multiblock DMA transfers */
if (drv_data->master_info->enable_dma)
if (drv_data->master_info->enable_dma) {
__lpss_ssp_write_priv(drv_data, SSP_REG, 1);
value = __lpss_ssp_read_priv(drv_data, GENERAL_REG);
value |= GENERAL_REG_RXTO_HOLDOFF_DISABLE;
__lpss_ssp_write_priv(drv_data, GENERAL_REG, value);
}
}
static void lpss_ssp_cs_control(struct driver_data *drv_data, bool enable)