[PATCH] i2c: sirf: move driver init from module_init to subsys_initcall
Mark Brown
broonie at kernel.org
Mon May 27 08:16:58 EDT 2013
On Mon, May 27, 2013 at 09:54:56AM +0800, Barry Song wrote:
> Mark, the case is not that deferred probing is slow or not. deferred
> probing is pretty good.
> the case is that we want to i2c and media connected with i2c probed
> earlier than other devices.
> in auto infotainment devices, we actually do some hacking in kernel
> that makes rear view work earlier than other device driver
> initialization with a kernel thread which take care of backing-car
> policy not only mechanism. that means, we make camera work to see
> backview image even earlier than other drivers' initialization.
> we don't want media deferred to wait for i2c. we want make some early
> jobs ready earlier.
So this change makes no practical difference in mainline and exists to
support out of tree hacks for performance? It doesn't seem like that
big a patch to carry along with the out of tree stuff...
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20130527/ecbd0662/attachment.sig>
More information about the linux-arm-kernel
mailing list