ACPI: platform: Move SMB0001 HID to the header and reuse

There are at least two places in the kernel that are using
the SMB0001 HID. Make it to be available via acpi_drivers.h
header file. While at it, replace hard coded one with a
definition.

Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Link: https://lore.kernel.org/r/20230621151652.79579-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 0365d59..48d15dd 100644 (file)
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -29,7 +29,7 @@ static const struct acpi_device_id forbidden_id_list[] = {
        {"PNP0000",  0},        /* PIC */
        {"PNP0100",  0},        /* Timer */
        {"PNP0200",  0},        /* AT DMA Controller */
-       {"SMB0001",  ACPI_ALLOW_WO_RESOURCES},  /* ACPI SMBUS virtual device */
+       {ACPI_SMBUS_MS_HID,  ACPI_ALLOW_WO_RESOURCES},  /* ACPI SMBUS virtual device */
        { }
 };
 

diff --git a/drivers/i2c/busses/i2c-scmi.c b/drivers/i2c/busses/i2c-scmi.c
index 0239e13..ebac454 100644 (file)
--- a/drivers/i2c/busses/i2c-scmi.c
+++ b/drivers/i2c/busses/i2c-scmi.c
@@ -13,9 +13,6 @@
 #include <linux/i2c.h>
 #include <linux/acpi.h>
 
-/* SMBUS HID definition as supported by Microsoft Windows */
-#define ACPI_SMBUS_MS_HID              "SMB0001"
-
 struct smbus_methods_t {
        char *mt_info;
        char *mt_sbr;

diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 8372b0e..b14d165 100644 (file)
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -27,6 +27,8 @@
 #define ACPI_BAY_HID                   "LNXIOBAY"
 #define ACPI_DOCK_HID                  "LNXDOCK"
 #define ACPI_ECDT_HID                  "LNXEC"
+/* SMBUS HID definition as supported by Microsoft Windows */
+#define ACPI_SMBUS_MS_HID              "SMB0001"
 /* Quirk for broken IBM BIOSes */
 #define ACPI_SMBUS_IBM_HID             "SMBUSIBM"