From: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
To: <sboyd@kernel.org>, <linux-clk@vger.kernel.org>
Cc: <Vijendar.Mukunda@amd.com>, <Alexander.Deucher@amd.com>,
<Basavaraj.Hiregoudar@amd.com>, <Sunil-kumar.Dommati@amd.com>,
<Mario.Limonciello@amd.com>,
Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>,
"open list:ACPI" <linux-acpi@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: [PATCH v5 3/5] ACPI: APD: Add a fmw property clk-name
Date: Sun, 12 Dec 2021 23:35:25 +0530 [thread overview]
Message-ID: <20211212180527.1641362-4-AjitKumar.Pandey@amd.com> (raw)
In-Reply-To: <20211212180527.1641362-1-AjitKumar.Pandey@amd.com>
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>
---
drivers/acpi/acpi_apd.c | 10 ++++++++++
include/linux/platform_data/clk-fch.h | 1 +
2 files changed, 11 insertions(+)
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 */
--
2.25.1
prev parent reply other threads:[~2021-12-12 18:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211212180527.1641362-1-AjitKumar.Pandey@amd.com>
2021-12-12 18:05 ` [PATCH v5 2/5] drivers: acpi: acpi_apd: Remove unused device property "is-rv" Ajit Kumar Pandey
2021-12-17 18:06 ` Rafael J. Wysocki
2021-12-17 18:19 ` Limonciello, Mario
2021-12-17 18:23 ` Rafael J. Wysocki
2021-12-12 18:05 ` Ajit Kumar Pandey [this message]
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