lkml.org 
[lkml]   [2008]   [Jun]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 2/4] spi: split up spi_new_device() to allow two stage registration.
Date
On Friday 23 May 2008, Grant Likely wrote:
> Question:  spi_alloc_device() (and the original code) does a
> spi_master_get() on the spi_master device.  Doesn't spi_master_put()
> need to be called when the device is discarded?  spi_dev_put() doesn't
> do that explicitly; is it an implicit operation after a device has
> been deregistered from the spi_master?

Depends whether or not the add() has been done to hook things into
the driver model tree, as I recall. The add() presumes things are
properly refcounted. When you make a driver model tree node vanish,
its associated refcounts get updated too.

- Dave

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2008-06-30 06:11    [W:1.594 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site