From: Marek Vasut <marex@denx.de>
To: Oliver Hartkopp <socketcan@hartkopp.net>, linux-can@vger.kernel.org
Cc: netdev@vger.kernel.org, Marc Kleine-Budde <mkl@pengutronix.de>,
Mark Rutland <mark.rutland@arm.com>,
Wolfgang Grandegger <wg@grandegger.com>
Subject: Re: [PATCH 3/4] net: can: ifi: Fix RX and TX ID mask
Date: Tue, 01 Mar 2016 22:23:28 +0100 [thread overview]
Message-ID: <56D60850.8080103@denx.de> (raw)
In-Reply-To: <56D5D635.1050005@hartkopp.net>
On 03/01/2016 06:49 PM, Oliver Hartkopp wrote:
> Hi Marek,
Hi Oliver,
> On 02/29/2016 08:59 PM, Marek Vasut wrote:
>> The RX and TX ID mask for CAN2.0 is 11 bits wide. This patch fixes
>> the incorrect mask, which caused the CAN IDs to miss the MSBit both
>> on receive and transmit.
>>
>> Signed-off-by: Marek Vasut <marex@denx.de>
>> Cc: Marc Kleine-Budde <mkl@pengutronix.de>
>> Cc: Mark Rutland <mark.rutland@arm.com>
>> Cc: Oliver Hartkopp <socketcan@hartkopp.net>
>> Cc: Wolfgang Grandegger <wg@grandegger.com>
>> ---
>> drivers/net/can/ifi_canfd/ifi_canfd.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c
>> index 82a33bd..6704098 100644
>> --- a/drivers/net/can/ifi_canfd/ifi_canfd.c
>> +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c
>> @@ -135,7 +135,7 @@
>>
>> #define IFI_CANFD_RXFIFO_ID 0x6c
>> #define IFI_CANFD_RXFIFO_ID_ID_OFFSET 0
>> -#define IFI_CANFD_RXFIFO_ID_ID_STD_MASK 0x3ff
>> +#define IFI_CANFD_RXFIFO_ID_ID_STD_MASK 0x7ff
>> #define IFI_CANFD_RXFIFO_ID_ID_XTD_MASK 0x1fffffff
>
> You should use the CAN_SFF_MASK and CAN_EFF_MASK in your code instead of
> defining you private IFI_CANFD_RXFIFO_ID_ID_?TD_MASK definitions.
>
> You won't have trapped into this problem then :-)
These are register bitfield definitions, so should I really ?
My OCD kicks in and tells me it'd be odd and inconsistent with the rest
of the bitfields, but if you prefer it that way, I'll just send an
updated patch.
>> #define IFI_CANFD_RXFIFO_ID_IDE BIT(29)
>>
>> @@ -156,7 +156,7 @@
>>
>> #define IFI_CANFD_TXFIFO_ID 0xbc
>> #define IFI_CANFD_TXFIFO_ID_ID_OFFSET 0
>> -#define IFI_CANFD_TXFIFO_ID_ID_STD_MASK 0x3ff
>> +#define IFI_CANFD_TXFIFO_ID_ID_STD_MASK 0x7ff
>> #define IFI_CANFD_TXFIFO_ID_ID_XTD_MASK 0x1fffffff
>
> dito.
>
>
> Regards,
> Oliver
>
>> #define IFI_CANFD_TXFIFO_ID_IDE BIT(29)
>>
>>
--
Best regards,
Marek Vasut
next prev parent reply other threads:[~2016-03-01 21:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 19:59 [PATCH 0/4] Synchronise IFI CANFD driver with real world Marek Vasut
2016-02-29 19:59 ` [PATCH 1/4] net: can: ifi: Fix clock generator configuration Marek Vasut
2016-02-29 19:59 ` [PATCH 2/4] net: can: ifi: Fix TX DLC configuration Marek Vasut
2016-03-01 18:11 ` Oliver Hartkopp
2016-03-01 21:27 ` Marek Vasut
2016-03-02 6:12 ` Oliver Hartkopp
2016-03-02 10:37 ` Marek Vasut
2016-02-29 19:59 ` [PATCH 3/4] net: can: ifi: Fix RX and TX ID mask Marek Vasut
2016-03-01 17:49 ` Oliver Hartkopp
2016-03-01 21:23 ` Marek Vasut [this message]
2016-03-02 6:10 ` Oliver Hartkopp
2016-03-02 10:28 ` Marek Vasut
2016-02-29 19:59 ` [PATCH 4/4] net: can: ifi: Add obscure bit swap for EFF frame IDs Marek Vasut
-- strict thread matches above, loose matches on Subject: below --
2016-03-02 10:42 [PATCH V2 0/4] Synchronise IFI CANFD driver with real world Marek Vasut
2016-03-02 10:42 ` [PATCH 3/4] net: can: ifi: Fix RX and TX ID mask Marek Vasut
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56D60850.8080103@denx.de \
--to=marex@denx.de \
--cc=linux-can@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mkl@pengutronix.de \
--cc=netdev@vger.kernel.org \
--cc=socketcan@hartkopp.net \
--cc=wg@grandegger.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).