diff options
| author | Stefan Roese <sr@denx.de> | 2017-04-24 07:48:02 (GMT) |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2017-05-17 09:13:06 (GMT) |
| commit | 426f99fa98c3725fe0ca1eb8438d1215a2c6bd6b (patch) | |
| tree | 6efd5bcaf65a045220083f6c6ff96fb79f10adaa /drivers | |
| parent | e98856fcff5adc64689c3d5597b0a36d867eec8f (diff) | |
| download | u-boot-426f99fa98c3725fe0ca1eb8438d1215a2c6bd6b.tar.xz | |
dm: core: Add DM_FLAG_OS_PREPARE flag
This new flag can be added to DM device drivers, which need to do some
final configuration before U-Boot exits and the OS (e.g. Linux) is
started. The remove functions of those drivers will get called at
this stage to do these last-stage configuration steps.
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/core/device-remove.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c index cc0043b..3c6ab42 100644 --- a/drivers/core/device-remove.c +++ b/drivers/core/device-remove.c @@ -152,6 +152,15 @@ void device_free(struct udevice *dev) devres_release_probe(dev); } +static bool flags_remove(uint flags, uint drv_flags) +{ + if ((flags & DM_REMOVE_NORMAL) || + (flags & (drv_flags & (DM_FLAG_ACTIVE_DMA | DM_FLAG_OS_PREPARE)))) + return true; + + return false; +} + int device_remove(struct udevice *dev, uint flags) { const struct driver *drv; @@ -178,9 +187,7 @@ int device_remove(struct udevice *dev, uint flags) * Remove the device if called with the "normal" remove flag set, * or if the remove flag matches any of the drivers remove flags */ - if (drv->remove && - ((flags & DM_REMOVE_NORMAL) || - (flags & (drv->flags & DM_FLAG_ACTIVE_DMA)))) { + if (drv->remove && flags_remove(flags, drv->flags)) { ret = drv->remove(dev); if (ret) goto err_remove; @@ -194,8 +201,7 @@ int device_remove(struct udevice *dev, uint flags) } } - if ((flags & DM_REMOVE_NORMAL) || - (flags & (drv->flags & DM_FLAG_ACTIVE_DMA))) { + if (flags_remove(flags, drv->flags)) { device_free(dev); dev->seq = -1; |