leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

staging: most: i2c: trace real polling rate

Browse Source 
The real polling rate depends on the CONFIG_HZ and may differ from the
required polling rate.

Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2018-05-08 11:44:59 +02:00 committed by Greg Kroah-Hartman
parent ea8bcd5282
commit 0003718c92
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/staging/most/i2c/i2c.c
View File

@ -76,7 +76,7 @@ static int configure_channel(struct most_interface *most_iface,
{ {
int ret; int ret;
struct hdm_i2c *dev = to_hdm(most_iface); struct hdm_i2c *dev = to_hdm(most_iface);
unsigned int delay; unsigned int delay, pr;
BUG_ON(ch_idx < 0 || ch_idx >= NUM_CHANNELS); BUG_ON(ch_idx < 0 || ch_idx >= NUM_CHANNELS);
BUG_ON(dev->is_open[ch_idx]); BUG_ON(dev->is_open[ch_idx]);
@ -109,7 +109,8 @@ static int configure_channel(struct most_interface *most_iface,
} else if (scan_rate) { } else if (scan_rate) {
delay = msecs_to_jiffies(MSEC_PER_SEC / scan_rate); delay = msecs_to_jiffies(MSEC_PER_SEC / scan_rate);
dev->rx.delay = delay ? delay : 1; dev->rx.delay = delay ? delay : 1;
pr_info("polling rate is %d Hz\n", scan_rate); pr = MSEC_PER_SEC / jiffies_to_msecs(dev->rx.delay);
pr_info("polling rate is %u Hz\n", pr);
} }
} }
dev->is_open[ch_idx] = true; dev->is_open[ch_idx] = true;