diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2017-02-24 15:05:22 +0100 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2017-08-25 17:47:56 +0200 |
| commit | d5c435df4a890be0ef51f3047080756002d140dd (patch) | |
| tree | 8e54399e9fcc2e4ca587e3c660c407521017d7d9 /drivers/hwtracing | |
| parent | intel_th: Make the switch allocate its subdevices (diff) | |
| download | linux-d5c435df4a890be0ef51f3047080756002d140dd.tar.xz linux-d5c435df4a890be0ef51f3047080756002d140dd.zip | |
intel_th: msu: Use the real device in case of IOMMU domain allocation
When allocating DMA buffers for the MSU, use the real device instead
of GTH.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/intel_th/msu.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index dbbe31df74df..dfb57eaa9f22 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -709,17 +709,17 @@ static int msc_buffer_win_alloc(struct msc *msc, unsigned int nr_blocks) } for (i = 0; i < nr_blocks; i++) { - win->block[i].bdesc = dma_alloc_coherent(msc_dev(msc), size, - &win->block[i].addr, - GFP_KERNEL); + win->block[i].bdesc = + dma_alloc_coherent(msc_dev(msc)->parent->parent, size, + &win->block[i].addr, GFP_KERNEL); + + if (!win->block[i].bdesc) + goto err_nomem; #ifdef CONFIG_X86 /* Set the page as uncached */ set_memory_uc((unsigned long)win->block[i].bdesc, 1); #endif - - if (!win->block[i].bdesc) - goto err_nomem; } win->msc = msc; |