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authorSimon Arlott <simon@fire.lp0.eu>2007-05-11 06:04:13 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2007-06-08 23:24:31 (GMT)
commitfd209e35b74110ee1f3371838b0782b5b02eaaba (patch)
treec05b79256fa4e9ffb80c0cba4a12cc377176dd92 /drivers/usb/atm
parentda1f82b5543738d4c127a449490bc0d55e121fe8 (diff)
downloadlinux-fd209e35b74110ee1f3371838b0782b5b02eaaba.tar.xz
USB: cxacru: ignore error trying to start ADSL in atm_start
The sysfs adsl_status attribute ignores (aside from returning -EIO to the user) any error sending a START/STOP command to the device and there is at least one firmware which never sends a response but appears to work regardless. Therefore atm_start should also continue if an error is received so that such firmware is usable. The official Conexant driver doesn't expect a reply either but this is for another device (E2 router) and a commonly used firmware does respond. Also, there is no point in changing -ECONNRESET to -ETIMEDOUT since nothing ever checks for either of these values. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Duncan Sands <duncan.sands@math.u-psud.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/atm')
-rw-r--r--drivers/usb/atm/cxacru.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 68cf582..8bcf7fe 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -476,8 +476,6 @@ static int cxacru_start_wait_urb(struct urb *urb, struct completion *done,
add_timer(&timer);
wait_for_completion(done);
status = urb->status;
- if (status == -ECONNRESET)
- status = -ETIMEDOUT;
del_timer_sync(&timer);
if (actual_length)
@@ -671,11 +669,8 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
/* start ADSL */
mutex_lock(&instance->adsl_state_serialize);
ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0);
- if (ret < 0) {
+ if (ret < 0)
atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret);
- mutex_unlock(&instance->adsl_state_serialize);
- return ret;
- }
/* Start status polling */
mutex_lock(&instance->poll_state_serialize);