Re: [PATCH] i2c: designware: Add device HID for future AMD I2C controller

From: Wolfram Sang
Date: Sat Mar 12 2016 - 11:03:31 EST


On Thu, Mar 10, 2016 at 10:32:04AM +0200, Jarkko Nikula wrote:
> On 03/10/2016 01:34 PM, Xiangliang Yu wrote:
> >Add device HID AMDI0010 to match the AMD ACPI Vendor ID (AMDI) that
> >was registered in http://www.uefi.org/acpi_id_list, and the I2C
> >controller on future AMD paltform will use the HID instead of AMD0010.
> >
> >Signed-off-by: Xiangliang Yu <Xiangliang.Yu@xxxxxxx>
> >---
> > drivers/acpi/acpi_apd.c | 1 +
> > drivers/i2c/busses/i2c-designware-platdrv.c | 1 +
> > 2 files changed, 2 insertions(+)
> >
> >diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
> >index d507cf6..d0aad06 100644
> >--- a/drivers/acpi/acpi_apd.c
> >+++ b/drivers/acpi/acpi_apd.c
> >@@ -143,6 +143,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
> > /* Generic apd devices */
> > #ifdef CONFIG_X86_AMD_PLATFORM_DEVICE
> > { "AMD0010", APD_ADDR(cz_i2c_desc) },
> >+ { "AMDI0010", APD_ADDR(cz_i2c_desc) },
> > { "AMD0020", APD_ADDR(cz_uart_desc) },
> > { "AMD0030", },
> > #endif
> >diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
> >index 438f1b4..d656657 100644
> >--- a/drivers/i2c/busses/i2c-designware-platdrv.c
> >+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
> >@@ -123,6 +123,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
> > { "80860F41", 0 },
> > { "808622C1", 0 },
> > { "AMD0010", ACCESS_INTR_MASK },
> >+ { "AMDI0010", ACCESS_INTR_MASK },
> > { "AMDI0510", 0 },
> > { "APMC0D0F", 0 },
> > { }
> >--
> I guess these changes don't necessarily need to go together? Although I
> think chances to get a conflict is pretty low.

I would have preferred seperate patches, too.

> For i2c-designware:
> Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>

For the record:

Acked-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>

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