From: Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: b38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
lznuaa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
Fugang Duan <B38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Subject: [Patch v3 net-next 10/12] net: fec: init complete variable in early to avoid kernel dump
Date: Thu, 11 Sep 2014 02:30:43 +0800 [thread overview]
Message-ID: <1410373845-5801-11-git-send-email-Frank.Li@freescale.com> (raw)
In-Reply-To: <1410373845-5801-1-git-send-email-Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
From: Fugang Duan <B38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Software clear the MDIO interrupt before MDIO bus access, but
MAC still generate MDIO interrupt. The issue only happen on
imx6slx chip.
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.17.0-rc1-00399-g0bcad17 #315
Backtrace:
[<800121fc>] (dump_backtrace) from [<800124e0>] (show_stack+0x18/0x1c)
r6:8096e534 r5:8096e534 r4:00000000 r3:00000000
[<800124c8>] (show_stack) from [<806a4c60>] (dump_stack+0x8c/0xa4)
[<806a4bd4>] (dump_stack) from [<80060ab8>] (__lock_acquire+0x1814/0x1c40)
r6:be078000 r5:be074000 r4:be03f6e4 r3:be078000
[<8005f2a4>] (__lock_acquire) from [<800616e0>] (lock_acquire+0x70/0x84)
r10:809ada33 r9:be010600 r8:00000096 r7:00000001 r6:be074000 r5:00000000
r4:60000193
[<80061670>] (lock_acquire) from [<806abb20>] (_raw_spin_lock_irqsave+0x40/0x54)
r7:00000000 r6:8005a3f8 r5:00000193 r4:be03f6d4
[<806abae0>] (_raw_spin_lock_irqsave) from [<8005a3f8>] (complete+0x1c/0x4c)
r6:80950904 r5:be03f6d0 r4:be03f6d4
[<8005a3dc>] (complete) from [<8041b4c0>] (fec_enet_interrupt+0x128/0x164)
r6:80950904 r5:00800000 r4:be03f000 r3:00000000
[<8041b398>] (fec_enet_interrupt) from [<8006aeac>] (handle_irq_event_percpu+0x38/0x13c)
r6:00000000 r5:be01065c r4:be399e00 r3:8041b398
[<8006ae74>] (handle_irq_event_percpu) from [<8006aff4>] (handle_irq_event+0x44/0x64)
r10:be03f000 r9:80989fe0 r8:00000000 r7:00000096 r6:be399e00 r5:be01065c
r4:be010600
[<8006afb0>] (handle_irq_event) from [<8006e3e8>] (handle_fasteoi_irq+0xc8/0x1bc)
r6:8096e764 r5:be01065c r4:be010600 r3:00000000
[<8006e320>] (handle_fasteoi_irq) from [<8006a63c>] (generic_handle_irq+0x30/0x44)
r6:be074010 r5:80945e4c r4:00000096 r3:8006e320
[<8006a60c>] (generic_handle_irq) from [<8000f218>] (handle_IRQ+0x54/0xbc)
r4:80950d74 r3:00000180
[<8000f1c4>] (handle_IRQ) from [<800086cc>] (gic_handle_irq+0x30/0x68)
r8:be3ab478 r7:c080e100 r6:be075bd8 r5:80950eec r4:c080e10c r3:000000a0
[<8000869c>] (gic_handle_irq) from [<80013064>] (__irq_svc+0x44/0x5c)
Signed-off-by: Fugang Duan <B38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Signed-off-by: Frank Li <Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
drivers/net/ethernet/freescale/fec_main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 8043cd7..31ae795 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3066,6 +3066,7 @@ fec_probe(struct platform_device *pdev)
goto failed_irq;
}
+ init_completion(&fep->mdio_done);
ret = fec_enet_mii_init(pdev);
if (ret)
goto failed_mii_init;
--
1.9.1
--
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next prev parent reply other threads:[~2014-09-10 18:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-10 18:30 [Patch v3 net-next 00/12] net: fec: imx6sx multiqueue support Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 01/12] net:fec: add enet refrence clock for i.MX 6SX chip Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 02/12] net:fec: add enet AVB feature macro define for imx6sx Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 03/12] net: fec: change data structure to support multiqueue Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 04/12] net: fec: parser max queue number from dt file Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 05/12] net: fec: init multi queue date structure Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 06/12] net:fec: Disable enet-avb MAC instead of reset MAC Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 07/12] net: fec: add enet-avb IP support Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 08/12] net:fec: Add fsl,imx6sx-fec compatible strings Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 09/12] net: fec: change FEC alignment according to i.mx6 sx requirement Frank Li
2014-09-12 20:40 ` David Miller
2014-09-12 20:45 ` Zhi Li
[not found] ` <1410373845-5801-1-git-send-email-Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-09-10 18:30 ` Frank Li [this message]
2014-09-10 18:30 ` [Patch v3 net-next 11/12] ARM: Documentation: Update fec dts binding doc Frank Li
2014-09-10 18:30 ` [Patch v3 net-next 12/12] ARM: dts: imx6sx: add multi-queue support enet Frank Li
[not found] <1410373813-5731-1-git-send-email-yes>
2014-09-10 18:30 ` [Patch v3 net-next 10/12] net: fec: init complete variable in early to avoid kernel dump yes
2014-09-10 18:30 ` yes-KgLukfWpBlCctlrPMvKcciBecyulp+rMXqFh9Ls21Oc
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