On 3/6/2013 10:27 PM, Tomas Novotny wrote: > On Tue, 5 Mar 2013 10:58:22 -0500 > Matt Porter <mpor...@ti.com> wrote: > >> This adds additional error checking to the private edma api implementation >> to catch the case where the edma_alloc_slot() has an invalid controller >> parameter. The edma dmaengine wrapper driver relies on this condition >> being handled in order to avoid setting up a second edma dmaengine >> instance on DA830. >> >> Verfied using a DA850 with the second EDMA controller platform instance >> removed to simulate a DA830 which only has a single EDMA controller. >> >> Reported-by: Tomas Novotny <to...@novotny.cz> >> Signed-off-by: Matt Porter <mpor...@ti.com> >> Cc: sta...@vger.kernel.org # v3.7.x+ >> --- >> v2: Move error check out of conditional to catch all cases >> >> arch/arm/mach-davinci/dma.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c >> index a685e97..45b7c71 100644 >> --- a/arch/arm/mach-davinci/dma.c >> +++ b/arch/arm/mach-davinci/dma.c >> @@ -743,6 +743,9 @@ EXPORT_SYMBOL(edma_free_channel); >> */ >> int edma_alloc_slot(unsigned ctlr, int slot) >> { >> + if (!edma_cc[ctlr]) >> + return -EINVAL; >> + >> if (slot >= 0) >> slot = EDMA_CHAN_SLOT(slot); >> > > On the TI AM1707 based custom board: > > Tested-by: Tomas Novotny <to...@novotny.cz>
I tested it on DA830 EVM. Queuing this for v3.9-rc Thanks, Sekhar _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source