[PATCH 2/3] spi: pl022: Add missing dma_filter field kerneldoc

[Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>]

Add kerneldoc for dma_filter field in struct pl022_ssp_controller.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 include/linux/amba/pl022.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index e08488df6d28..d7b07d0311e1 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -225,6 +225,7 @@ struct dma_chan;
  * struct pl022_ssp_master - device.platform_data for SPI controller devices.
  * @bus_id: identifier for this bus
  * @enable_dma: if true enables DMA driven transfers.
+ * @dma_filter: callback filter for dma_request_channel.
  * @dma_rx_param: parameter to locate an RX DMA channel.
  * @dma_tx_param: parameter to locate a TX DMA channel.
  * @autosuspend_delay: delay in ms following transfer completion before the
-- 
2.34.1