Re: [PATCH] HID: rmi: change logging level of log messages related to unexpected reports

From: Benjamin Tissoires Â
Date: Tue Jul 15 2014 - 15:07:38 EST


On Jul 11 2014 or thereabouts, Andrew Duggan wrote:
> Userspace tools may use hidraw to perform operations on the device from userspace while
> hid-rmi is bound to the device. This can cause hid-rmi to print error messages when its
> ->raw_event() callback gets called as the reports pass through the HID stack. In this case
> receiving responses which were not initiated by hid-rmi is not actually an error so the resulting
> error messages are incorrect and misleading. This patch changes the log messages to debug so
> that the messages can be turned on in the event that there is a problem and there is not
> a userspace tool running.
>
> Signed-off-by: Andrew Duggan <aduggan@xxxxxxxxxxxxx>
> ---

Fair enough

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

Cheers,
Benjamin

> drivers/hid/hid-rmi.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
> index 578bbe6..25f571a 100644
> --- a/drivers/hid/hid-rmi.c
> +++ b/drivers/hid/hid-rmi.c
> @@ -377,7 +377,7 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
> irq_mask |= hdata->f30.irq_mask;
>
> if (data[1] & ~irq_mask)
> - hid_warn(hdev, "unknown intr source:%02lx %s:%d\n",
> + hid_dbg(hdev, "unknown intr source:%02lx %s:%d\n",
> data[1] & ~irq_mask, __FILE__, __LINE__);
>
> if (hdata->f11.interrupt_base < hdata->f30.interrupt_base) {
> @@ -400,7 +400,7 @@ static int rmi_read_data_event(struct hid_device *hdev, u8 *data, int size)
> struct rmi_data *hdata = hid_get_drvdata(hdev);
>
> if (!test_bit(RMI_READ_REQUEST_PENDING, &hdata->flags)) {
> - hid_err(hdev, "no read request pending\n");
> + hid_dbg(hdev, "no read request pending\n");
> return 0;
> }
>
> --
> 1.9.1
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/