ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype

[PATCH] ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype

Posted by Jon Hunter 4 years, 3 months ago

From: Jeff Brasen <jbrasen@nvidia.com>

Add support for the NVIDIA specific 16550 subtype to SPCR table parsing
routine.

Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
 drivers/acpi/spcr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index d589543875b8..1eabfcd122ee 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -142,6 +142,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
 	case ACPI_DBG2_16550_COMPATIBLE:
 	case ACPI_DBG2_16550_SUBSET:
 	case ACPI_DBG2_16550_WITH_GAS:
+	case ACPI_DBG2_16550_NVIDIA:
 		uart = "uart";
 		break;
 	default:
-- 
2.25.1

Re: [PATCH] ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype

Posted by Jon Hunter 4 years, 3 months ago

Adding linux-tegra ...

On 11/03/2022 16:53, Jon Hunter wrote:
> From: Jeff Brasen <jbrasen@nvidia.com>
> 
> Add support for the NVIDIA specific 16550 subtype to SPCR table parsing
> routine.
> 
> Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> ---
>   drivers/acpi/spcr.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
> index d589543875b8..1eabfcd122ee 100644
> --- a/drivers/acpi/spcr.c
> +++ b/drivers/acpi/spcr.c
> @@ -142,6 +142,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
>   	case ACPI_DBG2_16550_COMPATIBLE:
>   	case ACPI_DBG2_16550_SUBSET:
>   	case ACPI_DBG2_16550_WITH_GAS:
> +	case ACPI_DBG2_16550_NVIDIA:
>   		uart = "uart";
>   		break;
>   	default:

-- 
nvpublic

Re: [PATCH] ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype

Posted by Rafael J. Wysocki 4 years, 2 months ago

On Fri, Mar 11, 2022 at 5:54 PM Jon Hunter <jonathanh@nvidia.com> wrote:
>
> Adding linux-tegra ...
>
> On 11/03/2022 16:53, Jon Hunter wrote:
> > From: Jeff Brasen <jbrasen@nvidia.com>
> >
> > Add support for the NVIDIA specific 16550 subtype to SPCR table parsing
> > routine.
> >
> > Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
> > Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> > ---
> >   drivers/acpi/spcr.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
> > index d589543875b8..1eabfcd122ee 100644
> > --- a/drivers/acpi/spcr.c
> > +++ b/drivers/acpi/spcr.c
> > @@ -142,6 +142,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
> >       case ACPI_DBG2_16550_COMPATIBLE:
> >       case ACPI_DBG2_16550_SUBSET:
> >       case ACPI_DBG2_16550_WITH_GAS:
> > +     case ACPI_DBG2_16550_NVIDIA:
> >               uart = "uart";
> >               break;
> >       default:
>
> --

So seeing no objections or concerns, I've queued up this one for 5.19
now, thanks!