From: Olivier Sobrie <olivier@sobrie.be>
To: "Ahmed S. Darwish" <darwish.07@gmail.com>
Cc: Oliver Hartkopp <socketcan@hartkopp.net>,
Wolfgang Grandegger <wg@grandegger.com>,
Marc Kleine-Budde <mkl@pengutronix.de>,
"David S. Miller" <davem@davemloft.net>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Greg KH <gregkh@linuxfoundation.org>,
Linux-CAN <linux-can@vger.kernel.org>,
netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 3/4] can: kvaser_usb: Don't send a RESET_CHIP for non-existing channels
Date: Sun, 28 Dec 2014 22:54:05 +0100 [thread overview]
Message-ID: <20141228215405.GC2548@thinkoso.home> (raw)
In-Reply-To: <20141225000256.GB24302@vivalin-002>
On Thu, Dec 25, 2014 at 02:02:56AM +0200, Ahmed S. Darwish wrote:
> From: Ahmed S. Darwish <ahmed.darwish@valeo.com>
>
> "Someone reported me that recent leaf firmwares go in trouble when
> you send a command for a channel that does not exist. Instead ...
> you can move the reset command to kvaser_usb_init_one() function."
Please adapt the commit log message as follows:
Recent Leaf firmware versions (>= 3.1.557) do not allow to send commands for
non-existing channels. If a command is send for a non-existing channel,
the firmware crashes.
And you can add:
Reported-by: Christopher Storah <Christopher.Storah@invetech.com.au>
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Kr,
Olivier
>
> Suggested-by: Olivier Sobrie <olivier@sobrie.be>
> Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
> ---
> drivers/net/can/usb/kvaser_usb.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
> index 598e251..2791501 100644
> --- a/drivers/net/can/usb/kvaser_usb.c
> +++ b/drivers/net/can/usb/kvaser_usb.c
> @@ -1505,6 +1505,10 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
> struct kvaser_usb_net_priv *priv;
> int i, err;
>
> + err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, channel);
> + if (err)
> + return err;
> +
> netdev = alloc_candev(sizeof(*priv), MAX_TX_URBS);
> if (!netdev) {
> dev_err(&intf->dev, "Cannot alloc candev\n");
> @@ -1609,9 +1613,6 @@ static int kvaser_usb_probe(struct usb_interface *intf,
>
> usb_set_intfdata(intf, dev);
>
> - for (i = 0; i < MAX_NET_DEVICES; i++)
> - kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, i);
> -
> err = kvaser_usb_get_software_info(dev);
> if (err) {
> dev_err(&intf->dev,
next prev parent reply other threads:[~2014-12-28 21:53 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-23 15:46 [PATCH] can: kvaser_usb: Don't free packets when tight on URBs Ahmed S. Darwish
2014-12-23 15:53 ` [PATCH] can: kvaser_usb: Add support for the Usbcan-II family Ahmed S. Darwish
2014-12-24 12:36 ` Olivier Sobrie
2014-12-24 15:04 ` Ahmed S. Darwish
2014-12-28 21:51 ` Olivier Sobrie
2014-12-30 15:33 ` Ahmed S. Darwish
2014-12-31 12:13 ` Olivier Sobrie
2014-12-24 12:31 ` [PATCH] can: kvaser_usb: Don't free packets when tight on URBs Olivier Sobrie
2014-12-24 15:52 ` Ahmed S. Darwish
2014-12-24 23:56 ` [PATCH v2 1/4] " Ahmed S. Darwish
2014-12-24 23:59 ` [PATCH v2 2/4] can: kvaser_usb: Reset all URB tx contexts upon channel close Ahmed S. Darwish
2014-12-25 0:02 ` [PATCH v2 3/4] can: kvaser_usb: Don't send a RESET_CHIP for non-existing channels Ahmed S. Darwish
2014-12-25 0:04 ` [PATCH v2 4/4] can: kvaser_usb: Add support for the Usbcan-II family Ahmed S. Darwish
2014-12-28 21:54 ` Olivier Sobrie [this message]
2014-12-25 2:50 ` [PATCH v2 1/4] can: kvaser_usb: Don't free packets when tight on URBs Greg KH
2014-12-25 9:38 ` Ahmed S. Darwish
2014-12-28 21:52 ` Olivier Sobrie
2015-01-01 21:59 ` [PATCH] " Stephen Hemminger
2015-01-03 14:34 ` Ahmed S. Darwish
2015-01-05 17:49 ` [PATCH v3 1/4] " Ahmed S. Darwish
2015-01-05 17:52 ` [PATCH v3 2/4] can: kvaser_usb: Reset all URB tx contexts upon channel close Ahmed S. Darwish
2015-01-05 17:57 ` [PATCH v3 3/4] can: kvaser_usb: Don't send a RESET_CHIP for non-existing channels Ahmed S. Darwish
2015-01-05 18:31 ` [PATCH v3 4/4] can: kvaser_usb: Add support for the Usbcan-II family Ahmed S. Darwish
2015-01-08 11:53 ` Marc Kleine-Budde
2015-01-08 15:19 ` Ahmed S. Darwish
2015-01-12 11:51 ` Marc Kleine-Budde
2015-01-12 12:26 ` Ahmed S. Darwish
2015-01-12 12:34 ` Marc Kleine-Budde
2015-01-09 3:06 ` Ahmed S. Darwish
2015-01-09 14:05 ` Marc Kleine-Budde
2015-01-08 9:59 ` [PATCH v3 1/4] can: kvaser_usb: Don't free packets when tight on URBs Marc Kleine-Budde
2015-01-11 20:05 ` [PATCH v4 00/04] can: Introduce support for Kvaser USBCAN-II devices Ahmed S. Darwish
2015-01-11 20:11 ` [PATCH v4 01/04] can: kvaser_usb: Don't dereference skb after a netif_rx() devices Ahmed S. Darwish
2015-01-11 20:15 ` [PATCH v4 2/4] can: kvaser_usb: Update error counters before exiting on OOM Ahmed S. Darwish
2015-01-11 20:36 ` [PATCH v4 3/4] can: kvaser_usb: Add support for the Usbcan-II family Ahmed S. Darwish
2015-01-11 20:45 ` [PATCH v4 4/4] can: kvaser_usb: Retry first bulk transfer on -ETIMEDOUT Ahmed S. Darwish
2015-01-11 20:51 ` Marc Kleine-Budde
2015-01-12 10:14 ` Ahmed S. Darwish
2015-01-12 10:25 ` Marc Kleine-Budde
2015-01-12 13:33 ` Olivier Sobrie
2015-01-12 13:50 ` Ahmed S. Darwish
2015-01-12 11:20 ` [PATCH v4 3/4] can: kvaser_usb: Add support for the Usbcan-II family Ahmed S. Darwish
2015-01-12 11:43 ` Marc Kleine-Budde
2015-01-12 12:07 ` Ahmed S. Darwish
2015-01-12 12:36 ` Ahmed S. Darwish
2015-01-12 13:53 ` Olivier Sobrie
2015-01-18 20:12 ` Ahmed S. Darwish
2015-01-18 20:13 ` Marc Kleine-Budde
2015-01-12 11:09 ` [PATCH v4 2/4] can: kvaser_usb: Update error counters before exiting on OOM Marc Kleine-Budde
2015-01-12 20:36 ` Ahmed S. Darwish
2015-01-16 14:39 ` Marc Kleine-Budde
2015-01-11 20:49 ` [PATCH v4 01/04] can: kvaser_usb: Don't dereference skb after a netif_rx() Ahmed S. Darwish
2015-01-12 11:05 ` Marc Kleine-Budde
2015-01-20 21:44 ` [PATCH v5 1/5] can: kvaser_usb: Update net interface state before exiting on OOM Ahmed S. Darwish
2015-01-20 21:45 ` [PATCH v5 2/5] can: kvaser_usb: Consolidate and unify state change handling Ahmed S. Darwish
2015-01-20 21:47 ` [PATCH v5 3/5] can: kvaser_usb: Fix state handling upon BUS_ERROR events Ahmed S. Darwish
2015-01-20 21:48 ` [PATCH v5 4/5] can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT Ahmed S. Darwish
2015-01-20 21:50 ` [PATCH v5 5/5] can: kvaser_usb: Add support for the USBcan-II family Ahmed S. Darwish
2015-01-21 12:24 ` [PATCH v5 4/5] can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT Sergei Shtylyov
2015-01-25 11:59 ` Ahmed S. Darwish
2015-01-21 10:33 ` [PATCH v5 2/5] can: kvaser_usb: Consolidate and unify state change handling Andri Yngvason
2015-01-21 10:44 ` Marc Kleine-Budde
2015-01-21 11:00 ` Andri Yngvason
2015-01-21 11:53 ` Wolfgang Grandegger
2015-01-21 14:43 ` Ahmed S. Darwish
2015-01-21 15:00 ` Andri Yngvason
2015-01-21 15:36 ` Ahmed S. Darwish
2015-01-21 16:13 ` Wolfgang Grandegger
2015-01-23 6:07 ` Ahmed S. Darwish
2015-01-23 10:32 ` Andri Yngvason
2015-01-25 2:43 ` Ahmed S. Darwish
2015-01-26 10:21 ` Andri Yngvason
2015-01-21 16:37 ` Andri Yngvason
2015-01-21 16:20 ` Andri Yngvason
2015-01-21 22:59 ` Marc Kleine-Budde
2015-01-22 10:14 ` Andri Yngvason
2015-01-25 2:49 ` Ahmed S. Darwish
2015-01-25 3:21 ` Ahmed S. Darwish
2015-01-26 5:17 ` [PATCH v6 0/7] can: kvaser_usb: Leaf bugfixes and USBCan-II support Ahmed S. Darwish
2015-01-26 5:20 ` [PATCH v6 1/7] can: kvaser_usb: Do not sleep in atomic context Ahmed S. Darwish
2015-01-26 5:22 ` [PATCH v6 2/7] can: kvaser_usb: Send correct context to URB completion Ahmed S. Darwish
2015-01-26 5:24 ` [PATCH v6 3/7] can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT Ahmed S. Darwish
2015-01-26 5:25 ` [PATCH v6 4/7] can: kvaser_usb: Fix state handling upon BUS_ERROR events Ahmed S. Darwish
2015-01-26 5:27 ` [PATCH v6 5/7] can: kvaser_usb: Update interface state before exiting on OOM Ahmed S. Darwish
2015-01-26 5:29 ` [PATCH v6 6/7] can: kvaser_usb: Consolidate and unify state change handling Ahmed S. Darwish
2015-01-26 5:33 ` [PATCH v6 7/7] can: kvaser_usb: Add support for the USBcan-II family Ahmed S. Darwish
2015-01-26 10:34 ` Andri Yngvason
2015-01-26 10:26 ` [PATCH v6 6/7] can: kvaser_usb: Consolidate and unify state change handling Andri Yngvason
2015-01-26 10:28 ` [PATCH v6 5/7] can: kvaser_usb: Update interface state before exiting on OOM Andri Yngvason
2015-01-26 10:50 ` Marc Kleine-Budde
2015-01-26 10:52 ` Andri Yngvason
2015-01-26 10:53 ` Marc Kleine-Budde
2015-01-26 9:55 ` [PATCH v6 0/7] can: kvaser_usb: Leaf bugfixes and USBCan-II support Marc Kleine-Budde
2015-01-26 10:07 ` Marc Kleine-Budde
2015-01-26 10:56 ` Marc Kleine-Budde
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