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| author | Oliver Neukum <oneukum@suse.com> | 2021-03-11 16:01:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-07 13:47:04 +0300 |
| commit | 88fc6e1ae2ff99d595ca07a3a572cd6f8caac90d (patch) | |
| tree | d2e7696768d1e187a4784aef2fc0a7e1ce947b02 | |
| parent | 0ea160742f4b3539a7977d3d45fb75b07de4e76e (diff) | |
| download | linux-88fc6e1ae2ff99d595ca07a3a572cd6f8caac90d.tar.xz | |
USB: cdc-acm: downgrade message to debug
commit e4c77070ad45fc940af1d7fb1e637c349e848951 upstream.
This failure is so common that logging an error here amounts
to spamming log files.
Reviewed-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210311130126.15972-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 4f983dab2829..9e39056ce171 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -676,7 +676,8 @@ static void acm_port_dtr_rts(struct tty_port *port, int raise) res = acm_set_control(acm, val); if (res && (acm->ctrl_caps & USB_CDC_CAP_LINE)) - dev_err(&acm->control->dev, "failed to set dtr/rts\n"); + /* This is broken in too many devices to spam the logs */ + dev_dbg(&acm->control->dev, "failed to set dtr/rts\n"); } static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) |