diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 66028ebbc336..d1776fea287e 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -298,7 +298,7 @@ enum ssp_reading { READING_U32 }; -/** +/* * The type of writing going on on this chip */ enum ssp_writing { @@ -317,6 +317,7 @@ enum ssp_writing { * @extended_cr: 32 bit wide control register 0 with extra * features and extra features in CR1 as found in the ST variants * @pl023: supports a subset of the ST extensions called "PL023" + * @loopback: supports loopback mode * @internal_cs_ctrl: supports chip select control register */ struct vendor_data { @@ -353,11 +354,14 @@ struct vendor_data { * @read: the type of read currently going on * @write: the type of write currently going on * @exp_fifo_level: expected FIFO level + * @rx_lev_trig: receive FIFO watermark level which triggers IRQ + * @tx_lev_trig: transmit FIFO watermark level which triggers IRQ * @dma_rx_channel: optional channel for RX DMA * @dma_tx_channel: optional channel for TX DMA * @sgt_rx: scattertable for the RX transfer * @sgt_tx: scattertable for the TX transfer * @dummypage: a dummy page used for driving data on the bus with DMA + * @dma_running: indicates whether DMA is in operation * @cur_cs: current chip select (gpio) * @chipselects: list of chipselects (gpios) */ @@ -662,7 +666,7 @@ static void load_ssp_default_config(struct pl022 *pl022) writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase)); } -/** +/* * This will write to TX and read from RX according to the parameters * set in pl022. */ @@ -1237,6 +1241,8 @@ static inline void pl022_dma_remove(struct pl022 *pl022) /** * pl022_interrupt_handler - Interrupt handler for SSP controller + * @irq: IRQ number + * @dev_id: Local device data * * This function handles interrupts generated for an interrupt based transfer. * If a receive overrun (ROR) interrupt is there then we disable SSP, flag the @@ -1334,7 +1340,7 @@ static irqreturn_t pl022_interrupt_handler(int irq, void *dev_id) return IRQ_HANDLED; } -/** +/* * This sets up the pointers to memory for the next message to * send out on the SPI bus. */ |