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path: root/drivers/fpga/dfl-fme-main.c
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Diffstat (limited to 'drivers/fpga/dfl-fme-main.c')
-rw-r--r--drivers/fpga/dfl-fme-main.c130
1 files changed, 65 insertions, 65 deletions
diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c
index 77ea04d4edbe..8aca2fb20e87 100644
--- a/drivers/fpga/dfl-fme-main.c
+++ b/drivers/fpga/dfl-fme-main.c
@@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/uaccess.h>
+#include <linux/units.h>
#include <linux/fpga-dfl.h>
#include "dfl.h"
@@ -27,10 +28,11 @@
static ssize_t ports_num_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
void __iomem *base;
u64 v;
- base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_HEADER);
+ base = dfl_get_feature_ioaddr_by_id(fdata, FME_FEATURE_ID_HEADER);
v = readq(base + FME_HDR_CAP);
@@ -46,10 +48,11 @@ static DEVICE_ATTR_RO(ports_num);
static ssize_t bitstream_id_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
void __iomem *base;
u64 v;
- base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_HEADER);
+ base = dfl_get_feature_ioaddr_by_id(fdata, FME_FEATURE_ID_HEADER);
v = readq(base + FME_HDR_BITSTREAM_ID);
@@ -64,10 +67,11 @@ static DEVICE_ATTR_RO(bitstream_id);
static ssize_t bitstream_metadata_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
void __iomem *base;
u64 v;
- base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_HEADER);
+ base = dfl_get_feature_ioaddr_by_id(fdata, FME_FEATURE_ID_HEADER);
v = readq(base + FME_HDR_BITSTREAM_MD);
@@ -78,10 +82,11 @@ static DEVICE_ATTR_RO(bitstream_metadata);
static ssize_t cache_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
void __iomem *base;
u64 v;
- base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_HEADER);
+ base = dfl_get_feature_ioaddr_by_id(fdata, FME_FEATURE_ID_HEADER);
v = readq(base + FME_HDR_CAP);
@@ -93,10 +98,11 @@ static DEVICE_ATTR_RO(cache_size);
static ssize_t fabric_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
void __iomem *base;
u64 v;
- base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_HEADER);
+ base = dfl_get_feature_ioaddr_by_id(fdata, FME_FEATURE_ID_HEADER);
v = readq(base + FME_HDR_CAP);
@@ -108,10 +114,11 @@ static DEVICE_ATTR_RO(fabric_version);
static ssize_t socket_id_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev);
void __iomem *base;
u64 v;
- base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_HEADER);
+ base = dfl_get_feature_ioaddr_by_id(fdata, FME_FEATURE_ID_HEADER);
v = readq(base + FME_HDR_CAP);
@@ -134,10 +141,10 @@ static const struct attribute_group fme_hdr_group = {
.attrs = fme_hdr_attrs,
};
-static long fme_hdr_ioctl_release_port(struct dfl_feature_platform_data *pdata,
+static long fme_hdr_ioctl_release_port(struct dfl_feature_dev_data *fdata,
unsigned long arg)
{
- struct dfl_fpga_cdev *cdev = pdata->dfl_cdev;
+ struct dfl_fpga_cdev *cdev = fdata->dfl_cdev;
int port_id;
if (get_user(port_id, (int __user *)arg))
@@ -146,10 +153,10 @@ static long fme_hdr_ioctl_release_port(struct dfl_feature_platform_data *pdata,
return dfl_fpga_cdev_release_port(cdev, port_id);
}
-static long fme_hdr_ioctl_assign_port(struct dfl_feature_platform_data *pdata,
+static long fme_hdr_ioctl_assign_port(struct dfl_feature_dev_data *fdata,
unsigned long arg)
{
- struct dfl_fpga_cdev *cdev = pdata->dfl_cdev;
+ struct dfl_fpga_cdev *cdev = fdata->dfl_cdev;
int port_id;
if (get_user(port_id, (int __user *)arg))
@@ -162,13 +169,13 @@ static long fme_hdr_ioctl(struct platform_device *pdev,
struct dfl_feature *feature,
unsigned int cmd, unsigned long arg)
{
- struct dfl_feature_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(&pdev->dev);
switch (cmd) {
case DFL_FPGA_FME_PORT_RELEASE:
- return fme_hdr_ioctl_release_port(pdata, arg);
+ return fme_hdr_ioctl_release_port(fdata, arg);
case DFL_FPGA_FME_PORT_ASSIGN:
- return fme_hdr_ioctl_assign_port(pdata, arg);
+ return fme_hdr_ioctl_assign_port(fdata, arg);
}
return -ENODEV;
@@ -231,19 +238,19 @@ static int thermal_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
switch (attr) {
case hwmon_temp_input:
v = readq(feature->ioaddr + FME_THERM_RDSENSOR_FMT1);
- *val = (long)(FIELD_GET(FPGA_TEMPERATURE, v) * 1000);
+ *val = (long)(FIELD_GET(FPGA_TEMPERATURE, v) * MILLI);
break;
case hwmon_temp_max:
v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
- *val = (long)(FIELD_GET(TEMP_THRESHOLD1, v) * 1000);
+ *val = (long)(FIELD_GET(TEMP_THRESHOLD1, v) * MILLI);
break;
case hwmon_temp_crit:
v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
- *val = (long)(FIELD_GET(TEMP_THRESHOLD2, v) * 1000);
+ *val = (long)(FIELD_GET(TEMP_THRESHOLD2, v) * MILLI);
break;
case hwmon_temp_emergency:
v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
- *val = (long)(FIELD_GET(TRIP_THRESHOLD, v) * 1000);
+ *val = (long)(FIELD_GET(TRIP_THRESHOLD, v) * MILLI);
break;
case hwmon_temp_max_alarm:
v = readq(feature->ioaddr + FME_THERM_THRESHOLD);
@@ -265,7 +272,7 @@ static const struct hwmon_ops thermal_hwmon_ops = {
.read = thermal_hwmon_read,
};
-static const struct hwmon_channel_info *thermal_hwmon_info[] = {
+static const struct hwmon_channel_info * const thermal_hwmon_info[] = {
HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_EMERGENCY |
HWMON_T_MAX | HWMON_T_MAX_ALARM |
HWMON_T_CRIT | HWMON_T_CRIT_ALARM),
@@ -382,15 +389,15 @@ static int power_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
switch (attr) {
case hwmon_power_input:
v = readq(feature->ioaddr + FME_PWR_STATUS);
- *val = (long)(FIELD_GET(PWR_CONSUMED, v) * 1000000);
+ *val = (long)(FIELD_GET(PWR_CONSUMED, v) * MICRO);
break;
case hwmon_power_max:
v = readq(feature->ioaddr + FME_PWR_THRESHOLD);
- *val = (long)(FIELD_GET(PWR_THRESHOLD1, v) * 1000000);
+ *val = (long)(FIELD_GET(PWR_THRESHOLD1, v) * MICRO);
break;
case hwmon_power_crit:
v = readq(feature->ioaddr + FME_PWR_THRESHOLD);
- *val = (long)(FIELD_GET(PWR_THRESHOLD2, v) * 1000000);
+ *val = (long)(FIELD_GET(PWR_THRESHOLD2, v) * MICRO);
break;
case hwmon_power_max_alarm:
v = readq(feature->ioaddr + FME_PWR_THRESHOLD);
@@ -410,14 +417,14 @@ static int power_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
static int power_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long val)
{
- struct dfl_feature_platform_data *pdata = dev_get_platdata(dev->parent);
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(dev->parent);
struct dfl_feature *feature = dev_get_drvdata(dev);
int ret = 0;
u64 v;
- val = clamp_val(val / 1000000, 0, PWR_THRESHOLD_MAX);
+ val = clamp_val(val / MICRO, 0, PWR_THRESHOLD_MAX);
- mutex_lock(&pdata->lock);
+ mutex_lock(&fdata->lock);
switch (attr) {
case hwmon_power_max:
@@ -437,7 +444,7 @@ static int power_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
break;
}
- mutex_unlock(&pdata->lock);
+ mutex_unlock(&fdata->lock);
return ret;
}
@@ -465,7 +472,7 @@ static const struct hwmon_ops power_hwmon_ops = {
.write = power_hwmon_write,
};
-static const struct hwmon_channel_info *power_hwmon_info[] = {
+static const struct hwmon_channel_info * const power_hwmon_info[] = {
HWMON_CHANNEL_INFO(power, HWMON_P_INPUT |
HWMON_P_MAX | HWMON_P_MAX_ALARM |
HWMON_P_CRIT | HWMON_P_CRIT_ALARM),
@@ -588,7 +595,7 @@ static struct dfl_feature_driver fme_feature_drvs[] = {
},
};
-static long fme_ioctl_check_extension(struct dfl_feature_platform_data *pdata,
+static long fme_ioctl_check_extension(struct dfl_feature_dev_data *fdata,
unsigned long arg)
{
/* No extension support for now */
@@ -597,49 +604,46 @@ static long fme_ioctl_check_extension(struct dfl_feature_platform_data *pdata,
static int fme_open(struct inode *inode, struct file *filp)
{
- struct platform_device *fdev = dfl_fpga_inode_to_feature_dev(inode);
- struct dfl_feature_platform_data *pdata = dev_get_platdata(&fdev->dev);
+ struct dfl_feature_dev_data *fdata = dfl_fpga_inode_to_feature_dev_data(inode);
+ struct platform_device *fdev = fdata->dev;
int ret;
- if (WARN_ON(!pdata))
- return -ENODEV;
-
- mutex_lock(&pdata->lock);
- ret = dfl_feature_dev_use_begin(pdata, filp->f_flags & O_EXCL);
+ mutex_lock(&fdata->lock);
+ ret = dfl_feature_dev_use_begin(fdata, filp->f_flags & O_EXCL);
if (!ret) {
dev_dbg(&fdev->dev, "Device File Opened %d Times\n",
- dfl_feature_dev_use_count(pdata));
- filp->private_data = pdata;
+ dfl_feature_dev_use_count(fdata));
+ filp->private_data = fdata;
}
- mutex_unlock(&pdata->lock);
+ mutex_unlock(&fdata->lock);
return ret;
}
static int fme_release(struct inode *inode, struct file *filp)
{
- struct dfl_feature_platform_data *pdata = filp->private_data;
- struct platform_device *pdev = pdata->dev;
+ struct dfl_feature_dev_data *fdata = filp->private_data;
+ struct platform_device *pdev = fdata->dev;
struct dfl_feature *feature;
dev_dbg(&pdev->dev, "Device File Release\n");
- mutex_lock(&pdata->lock);
- dfl_feature_dev_use_end(pdata);
+ mutex_lock(&fdata->lock);
+ dfl_feature_dev_use_end(fdata);
- if (!dfl_feature_dev_use_count(pdata))
- dfl_fpga_dev_for_each_feature(pdata, feature)
+ if (!dfl_feature_dev_use_count(fdata))
+ dfl_fpga_dev_for_each_feature(fdata, feature)
dfl_fpga_set_irq_triggers(feature, 0,
feature->nr_irqs, NULL);
- mutex_unlock(&pdata->lock);
+ mutex_unlock(&fdata->lock);
return 0;
}
static long fme_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct dfl_feature_platform_data *pdata = filp->private_data;
- struct platform_device *pdev = pdata->dev;
+ struct dfl_feature_dev_data *fdata = filp->private_data;
+ struct platform_device *pdev = fdata->dev;
struct dfl_feature *f;
long ret;
@@ -649,7 +653,7 @@ static long fme_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case DFL_FPGA_GET_API_VERSION:
return DFL_FPGA_API_VERSION;
case DFL_FPGA_CHECK_EXTENSION:
- return fme_ioctl_check_extension(pdata, arg);
+ return fme_ioctl_check_extension(fdata, arg);
default:
/*
* Let sub-feature's ioctl function to handle the cmd.
@@ -657,7 +661,7 @@ static long fme_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
* handled in this sub feature, and returns 0 or other
* error code if cmd is handled.
*/
- dfl_fpga_dev_for_each_feature(pdata, f) {
+ dfl_fpga_dev_for_each_feature(fdata, f) {
if (f->ops && f->ops->ioctl) {
ret = f->ops->ioctl(pdev, f, cmd, arg);
if (ret != -ENODEV)
@@ -671,29 +675,27 @@ static long fme_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
static int fme_dev_init(struct platform_device *pdev)
{
- struct dfl_feature_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(&pdev->dev);
struct dfl_fme *fme;
fme = devm_kzalloc(&pdev->dev, sizeof(*fme), GFP_KERNEL);
if (!fme)
return -ENOMEM;
- fme->pdata = pdata;
-
- mutex_lock(&pdata->lock);
- dfl_fpga_pdata_set_private(pdata, fme);
- mutex_unlock(&pdata->lock);
+ mutex_lock(&fdata->lock);
+ dfl_fpga_fdata_set_private(fdata, fme);
+ mutex_unlock(&fdata->lock);
return 0;
}
static void fme_dev_destroy(struct platform_device *pdev)
{
- struct dfl_feature_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct dfl_feature_dev_data *fdata = to_dfl_feature_dev_data(&pdev->dev);
- mutex_lock(&pdata->lock);
- dfl_fpga_pdata_set_private(pdata, NULL);
- mutex_unlock(&pdata->lock);
+ mutex_lock(&fdata->lock);
+ dfl_fpga_fdata_set_private(fdata, NULL);
+ mutex_unlock(&fdata->lock);
}
static const struct file_operations fme_fops = {
@@ -729,13 +731,11 @@ exit:
return ret;
}
-static int fme_remove(struct platform_device *pdev)
+static void fme_remove(struct platform_device *pdev)
{
dfl_fpga_dev_ops_unregister(pdev);
dfl_fpga_dev_feature_uinit(pdev);
fme_dev_destroy(pdev);
-
- return 0;
}
static const struct attribute_group *fme_dev_groups[] = {
@@ -745,12 +745,12 @@ static const struct attribute_group *fme_dev_groups[] = {
};
static struct platform_driver fme_driver = {
- .driver = {
- .name = DFL_FPGA_FEATURE_DEV_FME,
+ .driver = {
+ .name = DFL_FPGA_FEATURE_DEV_FME,
.dev_groups = fme_dev_groups,
},
- .probe = fme_probe,
- .remove = fme_remove,
+ .probe = fme_probe,
+ .remove = fme_remove,
};
module_platform_driver(fme_driver);
generated by cgit (git 2.34.1) at 2025-12-21 20:28:22 +0000