From: Pavel Machek <pavel@ucw.cz>
To: pali.rohar@gmail.com, sre@kernel.org,
"kernel list" <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org,
aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com,
patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com,
clayton@craftyguy.net, martijn@brixit.nl,
sakari.ailus@linux.intel.com,
"Filip Matijević" <filip.matijevic.pz@gmail.com>,
stern@rowland.harvard.edu, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org
Subject: Re: v4.18-rc0: ohci-platform on n900 oops-es on reboot
Date: Fri, 15 Jun 2018 13:39:19 +0200 [thread overview]
Message-ID: <20180615113919.GA28328@amd> (raw)
In-Reply-To: <20180614194449.GB17808@amd>
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Hi!
> When I enable
>
> CONFIG_USB_OHCI_HCD=y
> CONFIG_USB_OHCI_HCD_OMAP3=y
> CONFIG_USB_OHCI_HCD_PLATFORM=y
>
> on n900 (I need it on droid4 and want common config), I get oops when
> attempting to reboot the system. I believe problem is there in v4.17,
> too.
>
> I'll try to build it as a module and debug, but if you have better
> idea, let me know...
It oopses in the ohci_shutdown, see the "oopses here" below.
Any ideas?
Pavel
+ printk(KERN_CRIT "ohci_shutdown... have pointers %lx, %lx\n", hcd, ohci);
ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable);
+ printk(KERN_CRIT "ohci_shutdown... disable done\n");
+ udelay(1000);
+ printk(KERN_CRIT "ohci_shutdown... disable done\n");
/* Software reset, after which the controller goes into SUSPEND */
ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus);
+ printk(KERN_CRIT "ohci_shutdown... writel done\n");
ohci_readl(ohci, &ohci->regs->cmdstatus); /* flush the writes */
+ /* It oopses here */
+ printk(KERN_CRIT "ohci_shutdown... readl done\n");
udelay(10);
+ printk(KERN_CRIT "ohci_shutdown... reset done\n");
ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval);
ohci->rh_state = OHCI_RH_HALTED;
+
+ printk(KERN_CRIT "ohci_shutdown... all ok?\n");
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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prev parent reply other threads:[~2018-06-15 11:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-14 19:44 v4.18-rc0: ohci-platform on n900 oops-es on reboot Pavel Machek
2018-06-15 11:39 ` Pavel Machek [this message]
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