Re: [PATCH RFC] spi: Dont call prepare/unprepare transfer if notpopulated
From: Andrew Lunn
Date: Tue May 15 2012 - 15:58:18 EST
On Thu, May 10, 2012 at 09:24:55PM -0600, Grant Likely wrote:
> On Thu, 10 May 2012 16:01:27 +0200, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> > On Thu, May 10, 2012 at 3:50 PM, Shubhrajyoti D <shubhrajyoti@xxxxxx> wrote:
> > > Currently the prepare/unprepare transfer are called unconditionally.
> > > The assumption is that every driver using the spi core queue infrastructure
> > > has to populate the prepare and unprepare functions. This encourages
> > > drivers to populate empty functions to prevent crashing.
> > > This patch prevents the call to prepare/unprepare if not populated.
> > >
> > > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > > Signed-off-by: Shubhrajyoti D <shubhrajyoti@xxxxxx>
> > Great!
> > Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Applied, thanks (after fixing extra whitespace defect).
Is this going to appear in linux-next soon? Can i depend on having
this patch for 3.5?
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