[PATCH 2/2] ACPI: APD: Add a fmw property is_raven

From: Akshu Agrawal
Date: Tue Jul 07 2020 - 06:04:11 EST


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@xxxxxxx>
---
drivers/acpi/acpi_apd.c | 4 ++++
include/linux/platform_data/clk-fch.h | 1 +
2 files changed, 5 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 2d99e46add1a..d879ba28826c 100644
--- 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 850ca776156d..b9f682459f08 100644
--- 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 */
--
2.20.1