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Merge tag 'linux-can-next-for-3.20-20150204' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next

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Marc Kleine-Budde says:

====================
pull-request: can-next 2015-02-04

this is a pull request of 2 patches for net-next/master.

Nicholas Mc Guire contributes a patch for the janz-ican3 driver to fix
a mismatch in an assignment. Ahmed S. Darwish contributes a patch for
the kvaser_usb driver, to make the driver more robust during the
bus-off handling.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2015-02-05 00:29:14 -08:00
parent f86b4ae6ac a9ca6e13d6
commit adfde05166
2 changed files with 12 additions and 13 deletions
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6
drivers/net/can/janz-ican3.c
View File

@@ -1679,8 +1679,7 @@ static int ican3_get_berr_counter(const struct net_device *ndev,
if (ret)
return ret;
ret = wait_for_completion_timeout(&mod->buserror_comp, HZ);
if (ret == 0) {
if (!wait_for_completion_timeout(&mod->buserror_comp, HZ)) {
netdev_info(mod->ndev, "%s timed out\n", __func__);
return -ETIMEDOUT;
}
@@ -1705,8 +1704,7 @@ static ssize_t ican3_sysfs_show_term(struct device *dev,
if (ret)
return ret;
ret = wait_for_completion_timeout(&mod->termination_comp, HZ);
if (ret == 0) {
if (!wait_for_completion_timeout(&mod->termination_comp, HZ)) {
netdev_info(mod->ndev, "%s timed out\n", __func__);
return -ETIMEDOUT;
}

19
drivers/net/can/usb/kvaser_usb.c
View File

@@ -11,7 +11,7 @@
* Copyright (C) 2002-2006 KVASER AB, Sweden. All rights reserved.
* Copyright (C) 2010 Matthias Fuchs <matthias.fuchs@esd.eu>, esd gmbh
* Copyright (C) 2012 Olivier Sobrie <olivier@sobrie.be>
* Copyright (C) 2015 Valeo A.S.
* Copyright (C) 2015 Valeo S.A.
*/
#include <linux/completion.h>
@@ -824,14 +824,15 @@ static void kvaser_usb_rx_error_update_can_state(struct kvaser_usb_net_priv *pri
else if (es->status & M16C_STATE_BUS_PASSIVE)
new_state = CAN_STATE_ERROR_PASSIVE;
else if (es->status & M16C_STATE_BUS_ERROR) {
if ((es->txerr >= 256) || (es->rxerr >= 256))
new_state = CAN_STATE_BUS_OFF;
else if ((es->txerr >= 128) || (es->rxerr >= 128))
new_state = CAN_STATE_ERROR_PASSIVE;
else if ((es->txerr >= 96) || (es->rxerr >= 96))
new_state = CAN_STATE_ERROR_WARNING;
else if (cur_state > CAN_STATE_ERROR_ACTIVE)
new_state = CAN_STATE_ERROR_ACTIVE;
/* Guard against spurious error events after a busoff */
if (cur_state < CAN_STATE_BUS_OFF) {
if ((es->txerr >= 128) || (es->rxerr >= 128))
new_state = CAN_STATE_ERROR_PASSIVE;
else if ((es->txerr >= 96) || (es->rxerr >= 96))
new_state = CAN_STATE_ERROR_WARNING;
else if (cur_state > CAN_STATE_ERROR_ACTIVE)
new_state = CAN_STATE_ERROR_ACTIVE;
}
}
if (!es->status)