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| author | Peng Fan <van.freenix@gmail.com> | 2016-05-03 10:02:22 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-05-17 09:54:43 -0600 |
| commit | 7a3eff4ce962de50bd9a1d83a9fce178c04999d3 (patch) | |
| tree | 269d284659e51ef795fb669089eef2f32f526db5 /drivers/spi/spi-uclass.c | |
| parent | 102412c415b5e51b01ed5797c965d0feaa065439 (diff) | |
| download | u-boot-7a3eff4ce962de50bd9a1d83a9fce178c04999d3.tar.gz u-boot-7a3eff4ce962de50bd9a1d83a9fce178c04999d3.tar.bz2 u-boot-7a3eff4ce962de50bd9a1d83a9fce178c04999d3.zip | |
dm: spi: introduce dm api
Introduce dm_spi_claim_bus, dm_spi_release_bus and dm_spi_xfer
Convert spi_claim_bus, spi_release_bus and spi_xfer to use
the new API.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Jagan Teki <jteki@openedev.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/spi/spi-uclass.c')
| -rw-r--r-- | drivers/spi/spi-uclass.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 5561f36762..84b6786517 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -45,12 +45,12 @@ static int spi_set_speed_mode(struct udevice *bus, int speed, int mode) return 0; } -int spi_claim_bus(struct spi_slave *slave) +int dm_spi_claim_bus(struct udevice *dev) { - struct udevice *dev = slave->dev; struct udevice *bus = dev->parent; struct dm_spi_ops *ops = spi_get_ops(bus); struct dm_spi_bus *spi = dev_get_uclass_priv(bus); + struct spi_slave *slave = dev_get_parent_priv(dev); int speed; int ret; @@ -73,9 +73,8 @@ int spi_claim_bus(struct spi_slave *slave) return ops->claim_bus ? ops->claim_bus(dev) : 0; } -void spi_release_bus(struct spi_slave *slave) +void dm_spi_release_bus(struct udevice *dev) { - struct udevice *dev = slave->dev; struct udevice *bus = dev->parent; struct dm_spi_ops *ops = spi_get_ops(bus); @@ -83,10 +82,9 @@ void spi_release_bus(struct spi_slave *slave) ops->release_bus(dev); } -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, - const void *dout, void *din, unsigned long flags) +int dm_spi_xfer(struct udevice *dev, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) { - struct udevice *dev = slave->dev; struct udevice *bus = dev->parent; if (bus->uclass->uc_drv->id != UCLASS_SPI) @@ -95,6 +93,22 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, return spi_get_ops(bus)->xfer(dev, bitlen, dout, din, flags); } +int spi_claim_bus(struct spi_slave *slave) +{ + return dm_spi_claim_bus(slave->dev); +} + +void spi_release_bus(struct spi_slave *slave) +{ + dm_spi_release_bus(slave->dev); +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + return dm_spi_xfer(slave->dev, bitlen, dout, din, flags); +} + static int spi_post_bind(struct udevice *dev) { /* Scan the bus for devices */ |