[PATCH] mmc: atmel-mci: Add description for struct member

[Balamanikandan Gunasundar]

Add description for dma filtering function in struct
mci_platform_data. Fixes the warning: Function parameter or member
'dma_filter' not described in 'mci_platform_data'.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202309020937.C5S2sRnr-lkp@xxxxxxxxx/
Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@xxxxxxxxxxxxx>
---
 drivers/mmc/host/atmel-mci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 535783c43105..33d02a7e72fb 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -227,6 +227,7 @@ struct mci_slot_pdata {
 /**
  * struct mci_platform_data - board-specific MMC/SDcard configuration
  * @dma_slave: DMA slave interface to use in data transfers.
+ * @dma_filter: Filtering function to filter the DMA channel
  * @slot: Per-slot configuration data.
  */
 struct mci_platform_data {
-- 
2.25.1