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authorAjit Kumar Pandey <AjitKumar.Pandey@amd.com>2021-12-12 19:05:25 +0100
committerStephen Boyd <sboyd@kernel.org>2022-01-07 02:57:52 +0100
commit7fdb98e8a768b3ccc05494d3ea4436047f512b9d (patch)
tree5981d9ca1a8e77fd2ad3cbf10e307de436134c6c
parentdrivers: acpi: acpi_apd: Remove unused device property "is-rv" (diff)
downloadlinux-7fdb98e8a768b3ccc05494d3ea4436047f512b9d.tar.xz
linux-7fdb98e8a768b3ccc05494d3ea4436047f512b9d.zip
ACPI: APD: Add a fmw property clk-name
Add a new device property to fetch clk-name from firmware. Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> Reviewed-by: Mario Limonciello <Mario.Limonciello@amd.com> Link: https://lore.kernel.org/r/20211212180527.1641362-4-AjitKumar.Pandey@amd.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
-rw-r--r--drivers/acpi/acpi_apd.c10
-rw-r--r--include/linux/platform_data/clk-fch.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 6913e9712852..2b958b426b03 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -87,6 +87,16 @@ static int fch_misc_setup(struct apd_private_data *pdata)
if (ret < 0)
return -ENOENT;
+ if (!acpi_dev_get_property(adev, "clk-name", ACPI_TYPE_STRING, &obj)) {
+ clk_data->name = devm_kzalloc(&adev->dev, obj->string.length,
+ GFP_KERNEL);
+
+ strcpy(clk_data->name, obj->string.pointer);
+ } else {
+ /* Set default name to mclk if entry missing in firmware */
+ clk_data->name = "mclk";
+ }
+
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..11a2a23fd9b2 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;
+ char *name;
};
#endif /* __CLK_FCH_H */