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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>,
	"linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Cc: Sebastian Haas <haas@ems-wuensche.com>,
	Sebastian Haas <dev@sebastianhaas.info>
Subject: Re: ems_usb: endianess warning
Date: Wed, 25 Mar 2015 09:44:22 +0100	[thread overview]
Message-ID: <55127566.8050504@pengutronix.de> (raw)
In-Reply-To: <55127313.6090500@pengutronix.de>

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On 03/25/2015 09:34 AM, Marc Kleine-Budde wrote:
> On 03/24/2015 07:02 PM, Gerhard Uttenthaler wrote:
>> this took some time, sorry.
> 
> Thanks, applied to can.

I missed the fact, that the ID is correct in the driver without the
patch, sparse just missed that. So this goes into can-next.

In the driver there's timestamp, which endianess is corret here?

> /* Main message type used between library and application */
> struct __packed ems_cpc_msg {
> 	u8 type;	/* type of message */
> 	u8 length;	/* length of data within union 'msg' */
> 	u8 msgid;	/* confirmation handle */
> 	u32 ts_sec;	/* timestamp in seconds */
> 	u32 ts_nsec;	/* timestamp in nano seconds */
        ^^^^^^^^^^^
> 
> 	union {
> 		u8 generic[64];
> 		struct cpc_can_msg can_msg;
> 		struct cpc_can_params can_params;
> 		struct cpc_confirm confirmation;
> 		struct cpc_overrun overrun;
> 		struct cpc_can_error error;
> 		struct cpc_can_err_counter err_counter;
> 		u8 can_state;
> 	} msg;
> };

I know, the timestamp is not used in the driver, for now.

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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  reply	other threads:[~2015-03-25  8:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-14 14:30 ems_usb: endianess warning Marc Kleine-Budde
2015-03-24 18:02 ` Gerhard Uttenthaler
2015-03-25  8:34   ` Marc Kleine-Budde
2015-03-25  8:44     ` Marc Kleine-Budde [this message]
2015-03-25  9:32       ` Gerhard Uttenthaler
2015-03-25  9:38         ` Marc Kleine-Budde
2015-03-25 10:17           ` Gerhard Uttenthaler
2015-03-25 11:12             ` Marc Kleine-Budde

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