Messages in this thread | | | Date | Thu, 26 Jul 2012 23:39:23 +0200 (CEST) | From | Guennadi Liakhovetski <> | Subject | Re: [PATCH 9/9 v3] dma: shdma: convert to the shdma base library |
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On Thu, 26 Jul 2012, Vinod Koul wrote:
> On Thu, 2012-07-26 at 15:58 +0900, Paul Mundt wrote: > > On Thu, Jul 26, 2012 at 12:19:21PM +0530, Vinod Koul wrote: > > > On Wed, 2012-07-25 at 12:59 +0900, Paul Mundt wrote: > > > > On Wed, May 09, 2012 at 05:09:21PM +0200, Guennadi Liakhovetski wrote: > > > > > The shdma base library has originally been extracted from the shdma driver, > > > > > which now can be converted to actually use it. > > > > > > > > > > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > > > > > --- > > > > > drivers/dma/sh/shdma.c | 1122 ++++++++++++------------------------------------ > > > > > drivers/dma/sh/shdma.h | 44 +- > > > > > include/linux/sh_dma.h | 33 +- > > > > > 3 files changed, 302 insertions(+), 897 deletions(-) > > > > > > > > > Now that this has hit mainline, the sh-sci with DMA enabled build is > > > > broken: > > > > > > > > CC drivers/tty/serial/sh-sci.o > > > > drivers/tty/serial/sh-sci.c: In function 'work_fn_rx': > > > > drivers/tty/serial/sh-sci.c:1413:67: error: dereferencing pointer to incomplete type > > > > drivers/tty/serial/sh-sci.c:1413:81: warning: type defaults to 'int' in declaration of '__mptr' > > > > drivers/tty/serial/sh-sci.c:1413:90: warning: initialization from incompatible pointer type > > > > drivers/tty/serial/sh-sci.c:1413:161: error: invalid use of undefined type 'struct sh_desc' > > > > drivers/tty/serial/sh-sci.c:1419:83: error: dereferencing pointer to incomplete type > > > > drivers/tty/serial/sh-sci.c:1419:101: error: dereferencing pointer to incomplete type > > > > drivers/tty/serial/sh-sci.c:1423:42: error: dereferencing pointer to incomplete type > > > This was in -next for quite some time :( > > > > > It seems we don't have any configs that have this default-enabled under > > -next, so it wasn't noticed before. Still, as Guennadi wrote this code > > I'm surprised it was overlooked. > So did my script :( > > > I tried checking this, struct sh_desc have moved to struct shdma_desc in > shdma-base.h. But the field partial was dropped, so we need to use > residue here. But, shdma or base doesn't calculate residue for err > transactions, so you cannot use it to start a new one.
Hi Vinod, Paul
I'm on a holiday ATM, coming back late Saturday / Sunday. I'll have a look at this breakage ASAP and submit a fix.
Thank Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/
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