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Diffstat (limited to 'include/linux/spi/pxa2xx_spi.h')
-rw-r--r--include/linux/spi/pxa2xx_spi.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h
index 12ef04d0896d..eaab121ee575 100644
--- a/include/linux/spi/pxa2xx_spi.h
+++ b/include/linux/spi/pxa2xx_spi.h
@@ -14,7 +14,10 @@
struct dma_chan;
-/* device.platform_data for SSP controller devices */
+/*
+ * The platform data for SSP controller devices
+ * (resides in device.platform_data).
+ */
struct pxa2xx_spi_controller {
u16 num_chipselect;
u8 enable_dma;
@@ -30,8 +33,11 @@ struct pxa2xx_spi_controller {
struct ssp_device ssp;
};
-/* spi_board_info.controller_data for SPI slave devices,
- * copied to spi_device.platform_data ... mostly for dma tuning
+/*
+ * The controller specific data for SPI slave devices
+ * (resides in spi_board_info.controller_data),
+ * copied to spi_device.platform_data ... mostly for
+ * DMA tuning.
*/
struct pxa2xx_spi_chip {
u8 tx_threshold;