On 2014/11/25 20:23, Catalin Marinas wrote:
> On Tue, Nov 25, 2014 at 11:29:05AM +, Russell King - ARM Linux wrote:
>> On Tue, Nov 25, 2014 at 10:58:15AM +, Catalin Marinas wrote:
>>> Since we don't have a coherent_dma_supported() function, we defer the
>>> validity check of coherent_dma_ma
On Tue, Nov 25, 2014 at 11:29:05AM +, Russell King - ARM Linux wrote:
> On Tue, Nov 25, 2014 at 10:58:15AM +, Catalin Marinas wrote:
> > Since we don't have a coherent_dma_supported() function, we defer the
> > validity check of coherent_dma_mask to dma_alloc_coherent() (and here we
> > can
On Tue, Nov 25, 2014 at 10:58:15AM +, Catalin Marinas wrote:
> Since we don't have a coherent_dma_supported() function, we defer the
> validity check of coherent_dma_mask to dma_alloc_coherent() (and here we
> can remove bouncing since swiotlb has relatively small buffers).
Bouncing of coheren
On Mon, Nov 24, 2014 at 08:12:09PM +, Arnd Bergmann wrote:
> On Friday 21 November 2014 18:09:25 Catalin Marinas wrote:
> > On Fri, Nov 21, 2014 at 05:51:19PM +, Catalin Marinas wrote:
> > > On Fri, Nov 21, 2014 at 05:04:28PM +, Arnd Bergmann wrote:
> > > > On Friday 21 November 2014 16
On Friday 21 November 2014 18:09:25 Catalin Marinas wrote:
> On Fri, Nov 21, 2014 at 05:51:19PM +, Catalin Marinas wrote:
> > On Fri, Nov 21, 2014 at 05:04:28PM +, Arnd Bergmann wrote:
> > > On Friday 21 November 2014 16:57:09 Catalin Marinas wrote:
> > > > There is a scenario where smaller
On Fri, Nov 21, 2014 at 05:51:19PM +, Catalin Marinas wrote:
> On Fri, Nov 21, 2014 at 05:04:28PM +, Arnd Bergmann wrote:
> > On Friday 21 November 2014 16:57:09 Catalin Marinas wrote:
> > > There is a scenario where smaller mask would work on arm64. For example
> > > Juno, you can have 2GB
On Fri, Nov 21, 2014 at 05:04:28PM +, Arnd Bergmann wrote:
> On Friday 21 November 2014 16:57:09 Catalin Marinas wrote:
> > There is a scenario where smaller mask would work on arm64. For example
> > Juno, you can have 2GB of RAM in the 32-bit phys range (starting at
> > 0x8000). A device w
On Friday 21 November 2014 16:57:09 Catalin Marinas wrote:
> On Fri, Nov 21, 2014 at 12:48:09PM +, Arnd Bergmann wrote:
> > On Friday 21 November 2014 09:35:10 Catalin Marinas wrote:
> > > +static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
> > > +{
> > > + if (!dma_supported
On Fri, Nov 21, 2014 at 12:48:09PM +, Arnd Bergmann wrote:
> On Friday 21 November 2014 09:35:10 Catalin Marinas wrote:
> > +static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
> > +{
> > + if (!dma_supported(dev, mask))
> > + return -EIO;
> > + if (mask > dev->c
On Friday 21 November 2014 09:35:10 Catalin Marinas wrote:
> On Thu, Nov 20, 2014 at 07:40:00AM +, Arnd Bergmann wrote:
> > On Thursday 20 November 2014 10:57:53 Ding Tianhong wrote:
>
> But this wouldn't help Ding's case, here the driver needs to set the
> wider DMA mask.
>
> Anyway, back to
On Friday 21 November 2014 11:36:18 Catalin Marinas wrote:
> On Fri, Nov 21, 2014 at 11:26:45AM +, Arnd Bergmann wrote:
> > On Friday 21 November 2014 11:06:10 Catalin Marinas wrote:
> > > On Wed, Nov 19, 2014 at 03:56:42PM +, Arnd Bergmann wrote:
> > > > On Wednesday 19 November 2014 15:46
On Fri, Nov 21, 2014 at 11:26:45AM +, Arnd Bergmann wrote:
> On Friday 21 November 2014 11:06:10 Catalin Marinas wrote:
> > On Wed, Nov 19, 2014 at 03:56:42PM +, Arnd Bergmann wrote:
> > > On Wednesday 19 November 2014 15:46:35 Catalin Marinas wrote:
> > > > Going back to original topic, th
On Friday 21 November 2014 11:06:10 Catalin Marinas wrote:
> On Wed, Nov 19, 2014 at 03:56:42PM +, Arnd Bergmann wrote:
> > On Wednesday 19 November 2014 15:46:35 Catalin Marinas wrote:
> > > Going back to original topic, the dma_supported() function on arm64
> > > calls swiotlb_dma_supported()
On Wed, Nov 19, 2014 at 03:56:42PM +, Arnd Bergmann wrote:
> On Wednesday 19 November 2014 15:46:35 Catalin Marinas wrote:
> > Going back to original topic, the dma_supported() function on arm64
> > calls swiotlb_dma_supported() which actually checks whether the swiotlb
> > bounce buffer is wit
On Fri, Nov 21, 2014 at 09:35:10AM +, Catalin Marinas wrote:
> @@ -88,11 +89,24 @@ static inline int dma_set_mask(struct device *dev, u64
> mask)
> {
> if (!dev->dma_mask || !dma_supported(dev, mask))
> return -EIO;
> + /* if asking for bigger dma mask, limit it to the
On Thu, Nov 20, 2014 at 07:40:00AM +, Arnd Bergmann wrote:
> On Thursday 20 November 2014 10:57:53 Ding Tianhong wrote:
> > On 2014/11/19 16:45, Arnd Bergmann wrote:
> > > On Wednesday 19 November 2014 11:17:15 Ding Tianhong wrote:
> > >> On 2014/11/18 2:09, Catalin Marinas wrote:
> > >>> On Mo
On 2014/11/20 17:02, Arnd Bergmann wrote:
> On Thursday 20 November 2014 16:34:29 Ding Tianhong wrote:
>>>
>>> I didn't mean the dma_pfn_offset. The problem is that the of_dma_configure
>>> code currently doesn't look at the mask. As I explained in my reply to
>>> Catalin, it should set the mask to
On Thursday 20 November 2014 16:34:29 Ding Tianhong wrote:
> >
> > I didn't mean the dma_pfn_offset. The problem is that the of_dma_configure
> > code currently doesn't look at the mask. As I explained in my reply to
> > Catalin, it should set the mask to the size of the dma-ranges if that is
> >
On 2014/11/20 15:40, Arnd Bergmann wrote:
> On Thursday 20 November 2014 10:57:53 Ding Tianhong wrote:
>> On 2014/11/19 16:45, Arnd Bergmann wrote:
>>> On Wednesday 19 November 2014 11:17:15 Ding Tianhong wrote:
On 2014/11/18 2:09, Catalin Marinas wrote:
> On Mon, Nov 17, 2014 at 12:18:42P
On Thursday 20 November 2014 10:57:53 Ding Tianhong wrote:
> On 2014/11/19 16:45, Arnd Bergmann wrote:
> > On Wednesday 19 November 2014 11:17:15 Ding Tianhong wrote:
> >> On 2014/11/18 2:09, Catalin Marinas wrote:
> >>> On Mon, Nov 17, 2014 at 12:18:42PM +, Arnd Bergmann wrote:
> >> Thanks eve
On 2014/11/19 16:45, Arnd Bergmann wrote:
> On Wednesday 19 November 2014 11:17:15 Ding Tianhong wrote:
>> On 2014/11/18 2:09, Catalin Marinas wrote:
>>> On Mon, Nov 17, 2014 at 12:18:42PM +, Arnd Bergmann wrote:
On Monday 17 November 2014 19:56:27 Ding Tianhong wrote:
> The co
On Wednesday 19 November 2014 15:46:35 Catalin Marinas wrote:
> On Wed, Nov 19, 2014 at 12:48:58PM +, Arnd Bergmann wrote:
> > On Wednesday 19 November 2014 11:29:10 Catalin Marinas wrote:
> > > > The driver should call 'dma_set_mask_and_coherent()' with the
> > > > appropriate
> > > > dma mas
On Wed, Nov 19, 2014 at 12:48:58PM +, Arnd Bergmann wrote:
> On Wednesday 19 November 2014 11:29:10 Catalin Marinas wrote:
> > > The driver should call 'dma_set_mask_and_coherent()' with the appropriate
> > > dma mask, and check whether that succeeded. However, the code implementing
> > > dma_s
On Wednesday 19 November 2014 11:29:10 Catalin Marinas wrote:
> > The driver should call 'dma_set_mask_and_coherent()' with the appropriate
> > dma mask, and check whether that succeeded. However, the code implementing
> > dma_set_mask_and_coherent on arm64 also needs to be changed to look up
> > t
On Wed, Nov 19, 2014 at 08:45:43AM +, Arnd Bergmann wrote:
> On Wednesday 19 November 2014 11:17:15 Ding Tianhong wrote:
> > On 2014/11/18 2:09, Catalin Marinas wrote:
> > > On Mon, Nov 17, 2014 at 12:18:42PM +, Arnd Bergmann wrote:
> > >> On Monday 17 November 2014 19:56:27 Ding Tianhong w
On Wednesday 19 November 2014 11:17:15 Ding Tianhong wrote:
> On 2014/11/18 2:09, Catalin Marinas wrote:
> > On Mon, Nov 17, 2014 at 12:18:42PM +, Arnd Bergmann wrote:
> >> On Monday 17 November 2014 19:56:27 Ding Tianhong wrote:
> >>> The commit 3690951fc6d42f3a0903987677d0e592c49dd8db
On 2014/11/18 2:09, Catalin Marinas wrote:
> On Mon, Nov 17, 2014 at 12:18:42PM +, Arnd Bergmann wrote:
>> On Monday 17 November 2014 19:56:27 Ding Tianhong wrote:
>>> The commit 3690951fc6d42f3a0903987677d0e592c49dd8db(arm64: Use
>>> swiotlb late initialisation)
>>> switches the DMA m
On Mon, Nov 17, 2014 at 12:18:42PM +, Arnd Bergmann wrote:
> On Monday 17 November 2014 19:56:27 Ding Tianhong wrote:
> > The commit 3690951fc6d42f3a0903987677d0e592c49dd8db(arm64: Use
> > swiotlb late initialisation)
> > switches the DMA mapping code to swiotlb_tlb_late_init_with_defa
On Monday 17 November 2014 19:56:27 Ding Tianhong wrote:
> Hi Catalin:
> The commit 3690951fc6d42f3a0903987677d0e592c49dd8db(arm64: Use
> swiotlb late initialisation)
> switches the DMA mapping code to swiotlb_tlb_late_init_with_default_size(),
> this will occur a problem
> when I run the
Hi Catalin:
The commit 3690951fc6d42f3a0903987677d0e592c49dd8db(arm64: Use swiotlb
late initialisation)
switches the DMA mapping code to swiotlb_tlb_late_init_with_default_size(),
this will occur a problem
when I run the scsi stress tests, the message as below:
sas_controller b10
30 matches
Mail list logo
