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path: root/drivers/spi/spi-s3c64xx.c
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Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
-rw-r--r--drivers/spi/spi-s3c64xx.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 389275dbc003..9c47f5741c5f 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -139,7 +139,9 @@ struct s3c64xx_spi_dma_data {
* struct s3c64xx_spi_port_config - SPI Controller hardware info
* @fifo_lvl_mask: [DEPRECATED] use @{rx, tx}_fifomask instead.
* @rx_lvl_offset: [DEPRECATED] use @{rx,tx}_fifomask instead.
- * @fifo_depth: depth of the FIFO.
+ * @fifo_depth: depth of the FIFOs. Used by compatibles where all the instances
+ * of the IP define the same FIFO depth. It has higher precedence
+ * than the FIFO depth specified via DT.
* @rx_fifomask: SPI_STATUS.RX_FIFO_LVL mask. Shifted mask defining the field's
* length and position.
* @tx_fifomask: SPI_STATUS.TX_FIFO_LVL mask. Shifted mask defining the field's