From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Holger Schurig <holgerschurig@gmail.com>
Cc: linux-can@vger.kernel.org, kernel@pengutronix.de,
bhupesh.sharma@freescale.com
Subject: Re: [PATCH v2 00/11] RFC: cleanup flexcan driver, introduce and make use of IRQ offloading
Date: Mon, 18 Jan 2016 23:04:48 +0100 [thread overview]
Message-ID: <569D6180.8030906@pengutronix.de> (raw)
In-Reply-To: <87egdf5eca.fsf@gmail.com>
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On 01/18/2016 12:14 PM, Holger Schurig wrote:
> Marc Kleine-Budde <mkl@pengutronix.de> writes:
>
>> Testing and feedback welcome.
>
> And here it is, albeit a bit late:
>
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 0 at /home/schurig/d/mkarm/linux-4.4/drivers/net/can/rx-fifo.c:203 can_rx_fifo_irq_offload+0x214/0x264()
> can_rx_fifo_irq_offload: No messages found, RX-FIFO out of sync?
> Modules linked in: bnep btusb btrtl btbcm btintel bluetooth smsc95xx usbnet mii imx_sdma flexcan dlog(O)
> CPU: 0 PID: 0 Comm: swapper/0 Tainted: G O 4.4.0 #1
> Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
Thanks for testing, this driver triggers what we think a hardware bug,
resulting in packages are not beeing filled into the correct order into
the hardware. There are some people at fsl/nxp looking into this issue
at the hardware level.
> flexcan/flexcan-calculate-default-value-for-imask1-during-runtime.patch
> flexcan/flexcan-make-TX-mailbox-selectable-during-runtime.patch
> flexcan/rx-fifo-Add-support-for-simple-irq-offloading.patch
> flexcan/flexcan-make-use-of-rx-fifos-irq_offload_simple.patch
> flexcan/flexcan-add-missing-register-definitions.patch
> flexcan/flexcan-activate-individual-RX-masking-and-initialize-reg_rximr.patch
> flexcan/flexcan-add-quirk-FLEXCAN_QUIRK_ENABLE_EACEN_RRS.patch
> flexcan/flexcan-reg_imask2_default.patch
> flexcan/rx-fifo-introduce-software-rx-fifo-implementation.patch
> flexcan/flexcan-add-support-for-rx-fifo-based-software-FIFO-implementation.patch
> flexcan/flexcan-switch-imx6-and-vf610-to-software-based-fifo.patch
You can omit the last patch and it should work.
regards,
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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next prev parent reply other threads:[~2016-01-18 22:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-10 12:33 [PATCH v2 00/11] RFC: cleanup flexcan driver, introduce and make use of IRQ offloading Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 01/11] can: flexcan: calculate default value for imask1 during runtime Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 02/11] can: flexcan: make TX mailbox selectable " Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 03/11] can: rx-fifo: Add support for simple irq offloading Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 04/11] can: flexcan: make use of rx-fifo's irq_offload_simple Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 05/11] can: flexcan: add missing register definitions Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 06/11] can: flexcan: activate individual RX masking and initialize reg_rximr Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 07/11] can: flexcan: add quirk FLEXCAN_QUIRK_ENABLE_EACEN_RRS Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 08/11] can: flexcan: reg_imask2_default Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 09/11] can: rx-fifo: introduce software rx-fifo implementation Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 10/11] can: flexcan: add support for rx-fifo based software FIFO implementation Marc Kleine-Budde
2015-12-10 12:33 ` [PATCH v2 11/11] can: flexcan: switch imx6 and vf610 to software based fifo Marc Kleine-Budde
[not found] ` <CAOpc7mGK9WEnbowHJONbP-szW7mVQbU46uUPXF8V09omqWLQMA@mail.gmail.com>
2015-12-10 14:04 ` [PATCH v2 00/11] RFC: cleanup flexcan driver, introduce and make use of IRQ offloading Marc Kleine-Budde
2016-01-18 11:14 ` Holger Schurig
2016-01-18 22:04 ` Marc Kleine-Budde [this message]
2016-01-19 0:26 ` Tom Evans
2016-02-22 15:16 ` Mirza Krak
2016-02-22 15:19 ` Marc Kleine-Budde
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