aboutsummaryrefslogtreecommitdiff
path: root/sound/ppc
diff options
context:
space:
mode:
authorGeoff Levand <geoff@infradead.org>2018-07-18 15:08:33 -0700
committerMichael Ellerman <mpe@ellerman.id.au>2018-07-20 12:50:37 +1000
commit48e91846865cd61bfdb701eb737de222d7f08c74 (patch)
tree5ba59cd40a74c496bb4fb0839123b79dcaac50a7 /sound/ppc
parentef6cb5f1a048fdf91ccee6d63d2bfa293338502d (diff)
downloadlinux-stericsson-48e91846865cd61bfdb701eb737de222d7f08c74.tar.gz
powerpc/ps3: Set driver coherent_dma_mask
Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. Reported-by: Fredrik Noring <noring@nocrew.org> Signed-off-by: Geoff Levand <geoff@infradead.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'sound/ppc')
-rw-r--r--sound/ppc/snd_ps3.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index 36f34f434ecb..abe031c9d592 100644
--- a/sound/ppc/snd_ps3.c
+++ b/sound/ppc/snd_ps3.c
@@ -930,6 +930,7 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
{
int i, ret;
u64 lpar_addr, lpar_size;
+ static u64 dummy_mask;
if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1)))
return -ENODEV;
@@ -970,6 +971,10 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
goto clean_mmio;
}
+ dummy_mask = DMA_BIT_MASK(32);
+ dev->core.dma_mask = &dummy_mask;
+ dma_set_coherent_mask(&dev->core, dummy_mask);
+
snd_ps3_audio_set_base_addr(dev->d_region->bus_addr);
/* CONFIG_SND_PS3_DEFAULT_START_DELAY */