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authorOded Gabbay <ogabbay@kernel.org>2022-01-08 13:23:54 +0200
committerOded Gabbay <ogabbay@kernel.org>2022-02-28 14:22:01 +0200
commitbfbe9cbedd41402e3be3c5189a6b82933a5cd76d (patch)
treeb891d2a8248a11cc3494e3d31f2c585e740cc3f0 /drivers/misc/habanalabs/common/sysfs.c
parent2bf338f2ac69e3d41a6d45de1d9ac0d3afe109e6 (diff)
habanalabs: sysfs functions should be in sysfs.c
Move common sysfs store/show functions to sysfs.c file for consistency. This is part of a patch-set to remove hwmgr.c Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/sysfs.c')
-rw-r--r--drivers/misc/habanalabs/common/sysfs.c70
1 files changed, 69 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/sysfs.c b/drivers/misc/habanalabs/common/sysfs.c
index 45c715325e2a..d66cf43788d8 100644
--- a/drivers/misc/habanalabs/common/sysfs.c
+++ b/drivers/misc/habanalabs/common/sysfs.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright 2016-2019 HabanaLabs, Ltd.
+ * Copyright 2016-2022 HabanaLabs, Ltd.
* All Rights Reserved.
*/
@@ -109,6 +109,69 @@ void hl_set_max_power(struct hl_device *hdev)
dev_err(hdev->dev, "Failed to set max power, error %d\n", rc);
}
+static ssize_t clk_max_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hl_device *hdev = dev_get_drvdata(dev);
+ long value;
+
+ if (!hl_device_operational(hdev, NULL))
+ return -ENODEV;
+
+ value = hl_get_frequency(hdev, hdev->asic_prop.clk_pll_index, false);
+
+ hdev->asic_prop.max_freq_value = value;
+
+ return sprintf(buf, "%lu\n", (value / 1000 / 1000));
+}
+
+static ssize_t clk_max_freq_mhz_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct hl_device *hdev = dev_get_drvdata(dev);
+ int rc;
+ u64 value;
+
+ if (!hl_device_operational(hdev, NULL)) {
+ count = -ENODEV;
+ goto fail;
+ }
+
+ rc = kstrtoull(buf, 0, &value);
+ if (rc) {
+ count = -EINVAL;
+ goto fail;
+ }
+
+ hdev->asic_prop.max_freq_value = value * 1000 * 1000;
+
+ hl_set_frequency(hdev, hdev->asic_prop.clk_pll_index, hdev->asic_prop.max_freq_value);
+
+fail:
+ return count;
+}
+
+static ssize_t clk_cur_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hl_device *hdev = dev_get_drvdata(dev);
+ long value;
+
+ if (!hl_device_operational(hdev, NULL))
+ return -ENODEV;
+
+ value = hl_get_frequency(hdev, hdev->asic_prop.clk_pll_index, true);
+
+ return sprintf(buf, "%lu\n", (value / 1000 / 1000));
+}
+
+static DEVICE_ATTR_RW(clk_max_freq_mhz);
+static DEVICE_ATTR_RO(clk_cur_freq_mhz);
+
+static struct attribute *hl_dev_clk_attrs[] = {
+ &dev_attr_clk_max_freq_mhz.attr,
+ &dev_attr_clk_cur_freq_mhz.attr,
+ NULL,
+};
+
static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -463,6 +526,11 @@ static const struct attribute_group *hl_dev_inference_attr_groups[] = {
NULL,
};
+void hl_sysfs_add_dev_clk_attr(struct hl_device *hdev, struct attribute_group *dev_attr_grp)
+{
+ dev_attr_grp->attrs = hl_dev_clk_attrs;
+}
+
int hl_sysfs_init(struct hl_device *hdev)
{
int rc;