leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dm: spi: Set up the spi_slave device pointer in child_pre_probe()

Browse Source 
At present we use struct spi_slave as our device pointer in a lot of places
to avoid changing the old SPI API. At some point this will go away.

But for now, it is better if the SPI uclass sets up this pointer, rather
than relying on passing it into the device when it is probed. We can use the
new uclass child_pre_probe() method to do this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-01-25 08:27:11 -07:00
parent 83c7e434c9
commit 440714eeb8
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/spi/spi-uclass.c
View File

@ -108,6 +108,15 @@ int spi_post_probe(struct udevice *dev)
return 0;
}
int spi_child_pre_probe(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parentdata(dev);
slave->dev = dev;
return 0;
}
int spi_chip_select(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parentdata(dev);
@ -347,6 +356,7 @@ UCLASS_DRIVER(spi) = {
.flags = DM_UC_FLAG_SEQ_ALIAS,
.post_bind = spi_post_bind,
.post_probe = spi_post_probe,
.child_pre_probe = spi_child_pre_probe,
.per_device_auto_alloc_size = sizeof(struct dm_spi_bus),
.per_child_auto_alloc_size = sizeof(struct spi_slave),
};