diff options
| author | Ilan Aelion <iaelion@nvidia.com> | 2013-05-06 17:06:29 -0600 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 13:12:59 -0700 |
| commit | cd6eb2c7486a1d708154babdf9412c69070dde9e (patch) | |
| tree | 31dcf5085bb010cc07d91700b595ac7be4aa8248 /drivers/misc/tegra-throughput.c | |
| parent | c01022c04f4d58834b561a41b723ba85c6d3a665 (diff) | |
misc: tegra-throughput: move fps node to sysfs
Move node from debugfs to
/sys/devices/virtual/misc/tegra-throughput/fps
Bug 1276548
Change-Id: I1a73f99922712e59d46fddc76707934fdd944de6
Signed-off-by: Ilan Aelion <iaelion@nvidia.com>
Reviewed-on: http://git-master/r/225902
(cherry picked from commit 7ec9674a81cda32c888f35d9d7fbb3ec99d43b4b)
Reviewed-on: http://git-master/r/227496
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'drivers/misc/tegra-throughput.c')
| -rw-r--r-- | drivers/misc/tegra-throughput.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/misc/tegra-throughput.c b/drivers/misc/tegra-throughput.c index 2b5cf1447027..2535dcb3b29e 100644 --- a/drivers/misc/tegra-throughput.c +++ b/drivers/misc/tegra-throughput.c @@ -193,14 +193,14 @@ static struct miscdevice throughput_miscdev = { .mode = 0666, }; -static int fps_show(struct seq_file *s, void *unused) +static ssize_t show_fps(struct kobject *kobj, + struct attribute *attr, char *buf) { int frame_time_avg; - int fps; ktime_t now; long timediff; + int fps = 0; - fps = 0; if (frame_time_sum_init) goto DONE; @@ -213,21 +213,11 @@ static int fps_show(struct seq_file *s, void *unused) fps = frame_time_avg > 0 ? 1000000 / frame_time_avg : 0; DONE: - seq_printf(s, "%d\n", fps); - return 0; -} - -static int fps_open(struct inode *inode, struct file *file) -{ - return single_open(file, fps_show, inode->i_private); + return sprintf(buf, "%d\n", fps); } -static const struct file_operations fps_fops = { - .open = fps_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +static struct global_attr fps_attr = __ATTR(fps, 0444, + show_fps, NULL); int __init throughput_init_miscdev(void) { @@ -245,7 +235,10 @@ int __init throughput_init_miscdev(void) return ret; } - debugfs_create_file("fps", 0444, NULL, NULL, &fps_fops); + ret = sysfs_create_file(&throughput_miscdev.this_device->kobj, + &fps_attr.attr); + if (ret) + pr_err("%s: error %d creating sysfs node\n", __func__, ret); tegra_dc_set_flip_callback(throughput_flip_callback); @@ -262,6 +255,8 @@ void __exit throughput_exit_miscdev(void) cancel_work_sync(&work); + sysfs_remove_file(&throughput_miscdev.this_device->kobj, &fps_attr.attr); + misc_deregister(&throughput_miscdev); } |