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| author | Florian Fainelli <f.fainelli@gmail.com> | 2020-05-28 12:06:05 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-05-29 17:49:53 +0100 |
| commit | 118eb0e52eb74b899053a0f46dfe7e178788d23b (patch) | |
| tree | d2bc7d79cd3b18f86f48f62efadc1288d53423b6 /drivers/spi/spi-bcm2835.c | |
| parent | b7d73cb63cbac70746ee0d506aa2fa16b5dc75a0 (diff) | |
| download | linux-118eb0e52eb74b899053a0f46dfe7e178788d23b.tar.gz | |
spi: bcm2835: Implement shutdown callback
Make sure we clear the FIFOs, stop the block, disable the clock and
release the DMA channel.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200528190605.24850-1-f.fainelli@gmail.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 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 20d8581fdf88..237bd306c268 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -1391,6 +1391,15 @@ static int bcm2835_spi_remove(struct platform_device *pdev) return 0; } +static void bcm2835_spi_shutdown(struct platform_device *pdev) +{ + int ret; + + ret = bcm2835_spi_remove(pdev); + if (ret) + dev_err(&pdev->dev, "failed to shutdown\n"); +} + static const struct of_device_id bcm2835_spi_match[] = { { .compatible = "brcm,bcm2835-spi", }, {} @@ -1404,6 +1413,7 @@ static struct platform_driver bcm2835_spi_driver = { }, .probe = bcm2835_spi_probe, .remove = bcm2835_spi_remove, + .shutdown = bcm2835_spi_shutdown, }; module_platform_driver(bcm2835_spi_driver); |