Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH v2] ACPI / LPSS: add lpss device for Wildcat Point PCH | Date | Fri, 01 Aug 2014 03:31:51 +0200 |
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On Friday, August 01, 2014 09:06:35 AM Jie Yang wrote: > INT3438 is the ADSP device on Wildcat Point platform > with 2 DW DMA engines built In. The DMA engines are > used for DSP FW loading and audio data transferring. > These DMA engine probing need the clock, without it, > probing may failed and can't go forward. > > Add lpss device "INT3438" for Wildcat Point PCH, to > provide clock for its ADSP DMA engine probing. > > Signed-off-by: Jie Yang <yang.jie@intel.com>
Looks good, queued up for 3.17, thanks!
> --- > drivers/acpi/acpi_lpss.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c > index 9cb65b0..ce06149 100644 > --- a/drivers/acpi/acpi_lpss.c > +++ b/drivers/acpi/acpi_lpss.c > @@ -113,6 +113,14 @@ static void lpss_i2c_setup(struct lpss_private_data *pdata) > writel(val, pdata->mmio_base + offset); > } > > +static struct lpss_device_desc wpt_dev_desc = { > + .clk_required = true, > + .prv_offset = 0x800, > + .ltr_required = true, > + .clk_divider = true, > + .clk_gate = true, > +}; > + > static struct lpss_device_desc lpt_dev_desc = { > .clk_required = true, > .prv_offset = 0x800, > @@ -226,6 +234,8 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = { > { "INT3436", LPSS_ADDR(lpt_sdio_dev_desc) }, > { "INT3437", }, > > + { "INT3438", LPSS_ADDR(wpt_dev_desc) }, > + > { } > }; > >
-- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.
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