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| author | Yuri Matylitski <ym@tekinsoft.com> | 2012-04-20 12:38:32 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-05-11 13:14:00 +0100 |
| commit | 022666433f5a7f8bf7e075ab4814061a824dd236 (patch) | |
| tree | e36e2984622b02505c9cc898c2674972825cc93c /drivers/usb/serial/cp210x.c | |
| parent | f25543699889485de366c0ccf311fc593946c96e (diff) | |
| download | kernel_samsung_smdk4412-022666433f5a7f8bf7e075ab4814061a824dd236.zip kernel_samsung_smdk4412-022666433f5a7f8bf7e075ab4814061a824dd236.tar.gz kernel_samsung_smdk4412-022666433f5a7f8bf7e075ab4814061a824dd236.tar.bz2 | |
USB: serial: cp210x: Fixed usb_control_msg timeout values
commit 2d5733fcd33dd451022d197cb6b476e970519ca7 upstream.
Fixed too small hardcoded timeout values for usb_control_msg
in driver for SiliconLabs cp210x-based usb-to-serial adapters.
Replaced with USB_CTRL_GET_TIMEOUT/USB_CTRL_SET_TIMEOUT.
Signed-off-by: Yuri Matylitski <ym@tekinsoft.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/usb/serial/cp210x.c')
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 4c12404..f2c57e0 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -285,7 +285,8 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request, /* Issue the request, attempting to read 'size' bytes */ result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), request, REQTYPE_DEVICE_TO_HOST, 0x0000, - port_priv->bInterfaceNumber, buf, size, 300); + port_priv->bInterfaceNumber, buf, size, + USB_CTRL_GET_TIMEOUT); /* Convert data into an array of integers */ for (i = 0; i < length; i++) @@ -335,12 +336,14 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request, result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), request, REQTYPE_HOST_TO_DEVICE, 0x0000, - port_priv->bInterfaceNumber, buf, size, 300); + port_priv->bInterfaceNumber, buf, size, + USB_CTRL_SET_TIMEOUT); } else { result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), request, REQTYPE_HOST_TO_DEVICE, data[0], - port_priv->bInterfaceNumber, NULL, 0, 300); + port_priv->bInterfaceNumber, NULL, 0, + USB_CTRL_SET_TIMEOUT); } kfree(buf); |