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

From: Jarkko Nikula
Date: Thu Mar 10 2016 - 03:32:16 EST


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.

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