ACPI: APD: Add a fmw property is_raven

Since there is slight difference in AMD RV based soc in misc
clk architecture. The fmw property will help in differentiating
the SoCs.

Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 36319de..4c34837 100644 (file)
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -82,6 +82,7 @@ static int misc_check_res(struct acpi_resource *ares, void *data)
 static int fch_misc_setup(struct apd_private_data *pdata)
 {
        struct acpi_device *adev = pdata->adev;
+       const union acpi_object *obj;
        struct platform_device *clkdev;
        struct fch_clk_data *clk_data;
        struct resource_entry *rentry;
@@ -98,6 +99,9 @@ static int fch_misc_setup(struct apd_private_data *pdata)
        if (ret < 0)
                return -ENOENT;
 
+       acpi_dev_get_property(adev, "is-rv", ACPI_TYPE_INTEGER, &obj);
+       clk_data->is_rv = obj->integer.value;
+
        list_for_each_entry(rentry, &resource_list, node) {
                clk_data->base = devm_ioremap(&adev->dev, rentry->res->start,
                                              resource_size(rentry->res));

diff --git a/include/linux/platform_data/clk-fch.h b/include/linux/platform_data/clk-fch.h
index 850ca77..b9f6824 100644 (file)
--- a/include/linux/platform_data/clk-fch.h
+++ b/include/linux/platform_data/clk-fch.h
@@ -12,6 +12,7 @@
 
 struct fch_clk_data {
        void __iomem *base;
+       u32 is_rv;
 };
 
 #endif /* __CLK_FCH_H */