linux-kernel - Re: [PATCH 1/1] arm64: dts: imx8qm: Fix edma3 power-domains and interrupt numbery

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Message-ID: <20231214020855.GS270430@dragon>
Date:   Thu, 14 Dec 2023 10:08:55 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Frank Li <Frank.li@....com>
Cc:     imx@...ts.linux.dev, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Joakim Zhang <qiangqing.zhang@....com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] arm64: dts: imx8qm: Fix edma3 power-domains and
 interrupt numbery

On Wed, Dec 13, 2023 at 09:05:39PM -0500, Frank Li wrote:
> On Thu, Dec 14, 2023 at 10:00:53AM +0800, Shawn Guo wrote:
> > On Wed, Dec 06, 2023 at 03:12:55PM -0500, Frank Li wrote:
> > > Fixed a kernel dump when access edma3 registers.
> > > 
> > > [    1.517547] SError Interrupt on CPU1, code 0x00000000bf000002 -- SError
> > > [    1.517556] CPU: 1 PID: 59 Comm: kworker/u8:2 Not tainted 6.7.0-rc3-next-20231129-dirty #3
> > > [    1.517564] Hardware name: Freescale i.MX8QM MEK (DT)
> > > [    1.517570] Workqueue: events_unbound deferred_probe_work_func
> > > [    1.517593] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > > [    1.517601] pc : vsnprintf+0x60/0x770
> > > [    1.517612] lr : snprintf+0x58/0x80
> > > [    1.517619] sp : ffff800082f0b9e0
> > > [    1.517622] x29: ffff800082f0b9e0 x28: ffff8000819a8af8 x27: ffff000801f90080
> > > [    1.517632] x26: ffff000801f90510 x25: 0000000000000001 x24: 0000000000000020
> > > [    1.517640] x23: 00000000ffffffd8 x22: ffff000800114800 x21: ffff800082f0baf0
> > > [    1.517650] x20: ffff000801f90698 x19: ffff000801f906b8 x18: ffffffffffffffff
> > > [    1.517659] x17: 6e6f632d616d642e x16: 3030303066396135 x15: ffff800102f0b687
> > > [    1.517668] x14: 0000000000000000 x13: 30206e6168632065 x12: 74697277203a7265
> > > [    1.517677] x11: 6c6c6f72746e6f63 x10: 2d616d642e303030 x9 : 72656c6c6f72746e
> > > [    1.517686] x8 : ffff000800396740 x7 : 205d333337383035 x6 : ffff800082f0baf0
> > > [    1.517694] x5 : 00000000ffffffd8 x4 : ffff000800396740 x3 : ffff800082f0ba70
> > > [    1.517703] x2 : ffff8000819a8af8 x1 : ffff800082f0baf0 x0 : 0000000000000025
> > > [    1.517713] Kernel panic - not syncing: Asynchronous SError Interrupt
> > > [    1.517718] CPU: 1 PID: 59 Comm: kworker/u8:2 Not tainted 6.7.0-rc3-next-20231129-dirty #3
> > > [    1.517724] Hardware name: Freescale i.MX8QM MEK (DT)
> > > [    1.517727] Workqueue: events_unbound deferred_probe_work_func
> > > [    1.517736] Call trace:
> > > [    1.517739]  dump_backtrace+0x90/0xe8
> > > [    1.517752]  show_stack+0x18/0x24
> > > [    1.517761]  dump_stack_lvl+0x48/0x60
> > > [    1.517771]  dump_stack+0x18/0x24
> > > [    1.517780]  panic+0x36c/0x3ac
> > > [    1.517789]  nmi_panic+0x48/0x94
> > > [    1.517796]  arm64_serror_panic+0x6c/0x78
> > > [    1.517801]  do_serror+0x3c/0x78
> > > [    1.517806]  el1h_64_error_handler+0x30/0x48
> > > [    1.517813]  el1h_64_error+0x64/0x68
> > > [    1.517819]  vsnprintf+0x60/0x770
> > > [    1.517827]  snprintf+0x58/0x80
> > > [    1.517834]  fsl_edma_probe+0x2ac/0x830
> > > 
> > > It is eDMA1 at QM, which have the same register with eDMA3 at qxp.
> > > 
> > > Fixes: e4d7a330fb7a ("arm64: dts: imx8: add edma[0..3]")
> > > Signed-off-by: Frank Li <Frank.Li@....com>
> > 
> > Hi Frank,
> > 
> > Did you see the fix [1] from Xiaolei?  It has landed on Linus' tree.
> 
> Sorry, not yet!. He have not fixed irq numbers. 
> Let me do addition fix.

Please copy Xiaolei on your fix, thanks!

Shawn