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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2013-10-16 14:50:08 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-10-17 20:32:08 +0400 |
| commit | 4805414705df77d946b41df4f8b315e2b089eec4 (patch) | |
| tree | 6473991e3baed083623eea274af5472327347cea /Documentation/rt-mutex-design.txt | |
| parent | 8d1aad7485e653c2c5fd985b326096f680f7d918 (diff) | |
| download | linux-4805414705df77d946b41df4f8b315e2b089eec4.tar.xz | |
usb: musb: cppi41: allow to defer probing if DMA isn't yet available
If everything (musb, cppi41, phy) is built-in then musb will start
without the dma engine printing only
|musb-hdrc musb-hdrc.0.auto: Falied to request rx1.
The reason for this is that the musb device structs are created & probed
before those of the cppi41 device. So the cppi41 device is probed too
late.
As a workaround for this allow the musb_cppi41 part to defer the probe
if everything is fine except for the missing DMA controller. In case of
another error we continue.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation/rt-mutex-design.txt')
0 files changed, 0 insertions, 0 deletions