On Tue, Jun 11, 2019 at 08:50:45AM +0300, Oded Gabbay wrote:
> 2. The pci_set_dma_mask() is a generic Linux kernel call, so the driver
>can't tell why it got an error when it tried to set the DMA mask to 48
>bits. And upon such failure, the driver must fall-back to set the mask
>to 32
On Tue, Jun 11, 2019 at 11:08 AM Oded Gabbay wrote:
>
> On Tue, Jun 11, 2019 at 10:59 AM Greg KH wrote:
> >
> > On Tue, Jun 11, 2019 at 08:50:45AM +0300, Oded Gabbay wrote:
> > > --- a/drivers/misc/habanalabs/habanalabs_drv.c
> > > +++ b/drivers/misc/habanalabs/habanalabs_drv.c
> > > @@ -28,6
On Tue, Jun 11, 2019 at 10:59 AM Greg KH wrote:
>
> On Tue, Jun 11, 2019 at 08:50:45AM +0300, Oded Gabbay wrote:
> > --- a/drivers/misc/habanalabs/habanalabs_drv.c
> > +++ b/drivers/misc/habanalabs/habanalabs_drv.c
> > @@ -28,6 +28,7 @@ static DEFINE_MUTEX(hl_devs_idr_lock);
> >
> > static int
On Tue, Jun 11, 2019 at 08:50:45AM +0300, Oded Gabbay wrote:
> --- a/drivers/misc/habanalabs/habanalabs_drv.c
> +++ b/drivers/misc/habanalabs/habanalabs_drv.c
> @@ -28,6 +28,7 @@ static DEFINE_MUTEX(hl_devs_idr_lock);
>
> static int timeout_locked = 5;
> static int reset_on_lockup = 1;
>
This patch enables support in the driver for 64-bit DMA mask when running
in a POWER9 machine.
POWER9 supports either 32-bit or 64-bit DMA mask. However, our ASICs
support 48-bit DMA mask. To support 64-bit, the driver needs to add a
special configuration to the ASIC's PCIe controller.
The
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