From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Bhupesh Sharma <bhupesh.sharma@freescale.com>,
arnd@arndb.de, linux-can@vger.kernel.org
Cc: bhupesh.linux@gmail.com, Sakar.Arora@freescale.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 5/5] can: flexcan: Add support for non RX-FIFO mode
Date: Thu, 14 May 2015 17:41:56 +0200 [thread overview]
Message-ID: <5554C244.80809@pengutronix.de> (raw)
In-Reply-To: <1431603215-25546-6-git-send-email-bhupesh.sharma@freescale.com>
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On 05/14/2015 01:33 PM, Bhupesh Sharma wrote:
> This patch adds support for non RX-FIFO (legacy) mode in
> the flexcan driver.
>
> On certain SoCs, the RX-FIFO support might be broken, as
> a result we need to fall-back on the legacy (non RX-FIFO)
> mode to receive CAN frames.
>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@freescale.com>
> Signed-off-by: Sakar Arora <Sakar.Arora@freescale.com>
The non FIFO mode doesn't guarantee the order of the incoming frames,
not does not even try to...this is not acceptable. I'm currently working
on a patch by David Jander that brings in non FIFO mode, but tries to
keep the order of the frames.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
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next prev parent reply other threads:[~2015-05-14 15:42 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-14 11:33 [PATCH v2 0/5] Add flexcan support for LS1021A SoCs Bhupesh Sharma
2015-05-14 11:33 ` [PATCH v2 1/5] doc/bindings: Add 'endianess' optional-property for FlexCAN controller Bhupesh Sharma
2015-05-14 11:33 ` [PATCH v2 2/5] arm/dts: Add nodes for flexcan devices present on LS1021A SoC Bhupesh Sharma
2015-05-14 11:33 ` [PATCH v2 3/5] can: flexcan: Add ls1021a flexcan device entry Bhupesh Sharma
2015-05-14 15:38 ` Marc Kleine-Budde
2015-05-14 11:33 ` [PATCH v2 4/5] can: flexcan: Remodel FlexCAN register r/w APIs for BE instances Bhupesh Sharma
2015-05-18 16:17 ` Enrico Weigelt, metux IT consult
2015-05-18 16:37 ` Sharma Bhupesh
2015-05-14 11:33 ` [PATCH v2 5/5] can: flexcan: Add support for non RX-FIFO mode Bhupesh Sharma
2015-05-14 15:41 ` Marc Kleine-Budde [this message]
2015-05-14 15:44 ` Sharma Bhupesh
2015-12-10 11:05 ` Sharma Bhupesh
2015-12-10 11:44 ` can: flexcan: Ancient Freescale Reference FlexCAN Driver and bug fixes so it works Tom Evans
2015-12-10 12:44 ` Marc Kleine-Budde
2015-12-10 22:53 ` Tom Evans
2015-12-17 4:22 ` Tom Evans
2015-12-23 0:53 ` Tom Evans
2015-12-10 12:19 ` [PATCH v2 5/5] can: flexcan: Add support for non RX-FIFO mode Marc Kleine-Budde
2015-12-10 12:22 ` Sharma Bhupesh
2015-12-11 16:01 ` Robert Schwebel
2015-05-15 0:09 ` Tom Evans
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