diff options
Diffstat (limited to 'Documentation/spi/ep93xx_spi')
| -rw-r--r-- | Documentation/spi/ep93xx_spi | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/spi/ep93xx_spi b/Documentation/spi/ep93xx_spi index 6325f5b4863..832ddce6e5f 100644 --- a/Documentation/spi/ep93xx_spi +++ b/Documentation/spi/ep93xx_spi @@ -26,7 +26,7 @@ arch/arm/mach-ep93xx/ts72xx.c: #include <linux/gpio.h> #include <linux/spi/spi.h> -#include <mach/ep93xx_spi.h> +#include <linux/platform_data/spi-ep93xx.h> /* this is our GPIO line used for chip select */ #define MMC_CHIP_SELECT_GPIO EP93XX_GPIO_LINE_EGPIO9 @@ -88,6 +88,16 @@ static void __init ts72xx_init_machine(void) ARRAY_SIZE(ts72xx_spi_devices)); } +The driver can use DMA for the transfers also. In this case ts72xx_spi_info +becomes: + +static struct ep93xx_spi_info ts72xx_spi_info = { + .num_chipselect = ARRAY_SIZE(ts72xx_spi_devices), + .use_dma = true; +}; + +Note that CONFIG_EP93XX_DMA should be enabled as well. + Thanks to ========= Martin Guy, H. Hartley Sweeten and others who helped me during development of |