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| author | Robin Murphy <robin.murphy@arm.com> | 2020-06-16 01:09:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-01 22:19:29 +0100 |
| commit | ac4648b5d866f98feef4525ae8734972359e4edd (patch) | |
| tree | fb2ce788b5af58d08342ad4a5cd5c2ef5b9251a5 /drivers/spi/spi-bcm2835.c | |
| parent | f27b1dc6412547fac256957e22d6889fb56a5470 (diff) | |
| download | lwn-ac4648b5d866f98feef4525ae8734972359e4edd.tar.gz lwn-ac4648b5d866f98feef4525ae8734972359e4edd.zip | |
spi: bcm3835: Tidy up bcm2835_spi_reset_hw()
It doesn't need a struct spi_controller, and every callsite has
already retrieved the appropriate struct bcm2835_spi, so just pass
that directly.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/eca458ae1a0d3934d0627f90e25d294fefd4b13d.1592261248.git.robin.murphy@arm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-bcm2835.c')
| -rw-r--r-- | drivers/spi/spi-bcm2835.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 237bd306c268..524a91e52111 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -335,9 +335,8 @@ static inline void bcm2835_wr_fifo_blind(struct bcm2835_spi *bs, int count) } } -static void bcm2835_spi_reset_hw(struct spi_controller *ctlr) +static void bcm2835_spi_reset_hw(struct bcm2835_spi *bs) { - struct bcm2835_spi *bs = spi_controller_get_devdata(ctlr); u32 cs = bcm2835_rd(bs, BCM2835_SPI_CS); /* Disable SPI interrupts and transfer */ @@ -386,7 +385,7 @@ static irqreturn_t bcm2835_spi_interrupt(int irq, void *dev_id) if (!bs->rx_len) { /* Transfer complete - reset SPI HW */ - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); /* wake up the framework */ complete(&ctlr->xfer_completion); } @@ -607,7 +606,7 @@ static void bcm2835_spi_dma_rx_done(void *data) bcm2835_spi_undo_prologue(bs); /* reset fifo and HW */ - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); /* and mark as completed */; complete(&ctlr->xfer_completion); @@ -641,7 +640,7 @@ static void bcm2835_spi_dma_tx_done(void *data) dmaengine_terminate_async(ctlr->dma_rx); bcm2835_spi_undo_prologue(bs); - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); complete(&ctlr->xfer_completion); } @@ -825,14 +824,14 @@ static int bcm2835_spi_transfer_one_dma(struct spi_controller *ctlr, if (!bs->rx_buf && !bs->tx_dma_active && cmpxchg(&bs->rx_dma_active, true, false)) { dmaengine_terminate_async(ctlr->dma_rx); - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); } /* wait for wakeup in framework */ return 1; err_reset_hw: - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); bcm2835_spi_undo_prologue(bs); return ret; } @@ -1074,7 +1073,7 @@ static int bcm2835_spi_transfer_one_poll(struct spi_controller *ctlr, } /* Transfer complete - reset SPI HW */ - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); /* and return without waiting for completion */ return 0; } @@ -1182,7 +1181,7 @@ static void bcm2835_spi_handle_err(struct spi_controller *ctlr, bcm2835_spi_undo_prologue(bs); /* and reset */ - bcm2835_spi_reset_hw(ctlr); + bcm2835_spi_reset_hw(bs); } static int chip_match_name(struct gpio_chip *chip, void *data) |