On Mon, 19 Mar 2018, Anshuman Gupta wrote:
> On Wed, Mar 14, 2018 at 04:07:43PM +0100, Thomas Gleixner wrote:
> > On Wed, 14 Mar 2018, Rajneesh Bhardwaj wrote:
> > > + * support 8237 DMA or bus mastering from LPC. Platform firmware
> > > + * must announce the support for such legacy devices via
On Mon, 19 Mar 2018, Anshuman Gupta wrote:
> On Wed, Mar 14, 2018 at 04:07:43PM +0100, Thomas Gleixner wrote:
> > On Wed, 14 Mar 2018, Rajneesh Bhardwaj wrote:
> > > + * support 8237 DMA or bus mastering from LPC. Platform firmware
> > > + * must announce the support for such legacy devices via
On Wed, 14 Mar 2018, Rajneesh Bhardwaj wrote:
> static int __init i8237A_init_ops(void)
> {
> + /*
> + * From SKL PCH onwards, the port 0x61 bit 4 would stop toggle and
s/would stop toggle/stops toggling/
You are describing a fact, right?
> + * the legacy DMA device is removed
On Wed, 14 Mar 2018, Rajneesh Bhardwaj wrote:
> static int __init i8237A_init_ops(void)
> {
> + /*
> + * From SKL PCH onwards, the port 0x61 bit 4 would stop toggle and
s/would stop toggle/stops toggling/
You are describing a fact, right?
> + * the legacy DMA device is removed
On Wed, 2018-03-14 at 10:47 +0530, Rajneesh Bhardwaj wrote:
> From Skylake onwards, the platform controller hub (Sunrisepoint PCH)
> does
> not support legacy DMA operations to IO ports 81h-83h, 87h, 89h-8Bh,
> 8Fh.
> Currently this driver registers as syscore ops and its resume function
> is
>
On Wed, 2018-03-14 at 10:47 +0530, Rajneesh Bhardwaj wrote:
> From Skylake onwards, the platform controller hub (Sunrisepoint PCH)
> does
> not support legacy DMA operations to IO ports 81h-83h, 87h, 89h-8Bh,
> 8Fh.
> Currently this driver registers as syscore ops and its resume function
> is
>
>From Skylake onwards, the platform controller hub (Sunrisepoint PCH) does
not support legacy DMA operations to IO ports 81h-83h, 87h, 89h-8Bh, 8Fh.
Currently this driver registers as syscore ops and its resume function is
called on every resume from S3. On Skylake and Kabylake, this causes a
>From Skylake onwards, the platform controller hub (Sunrisepoint PCH) does
not support legacy DMA operations to IO ports 81h-83h, 87h, 89h-8Bh, 8Fh.
Currently this driver registers as syscore ops and its resume function is
called on every resume from S3. On Skylake and Kabylake, this causes a
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