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Groups > linux.kernel > #1280897
| From | Sudeep Holla <sudeep.holla@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/2] pinctrl: single: Use a separate lockdep class |
| Date | 2015-12-01 15:10 +0100 |
| Message-ID | <qATN0-2eD-23@gated-at.bofh.it> (permalink) |
| References | <qzv0m-5QM-5@gated-at.bofh.it> <qATN0-2eD-17@gated-at.bofh.it> |
| Organization | ARM |
On 01/12/15 14:06, Linus Walleij wrote: > On Fri, Nov 27, 2015 at 6:20 PM, Sudeep Holla <sudeep.holla@arm.com> wrote: > >> The single pinmux controller can be cascaded to the other interrupt >> controllers. Hence when propagating wake-up settings to its parent >> interrupt controller, there's possiblity of detecting possible recursive >> locking and getting lockdep warning. >> >> This patch avoids this false positive by using a separate lockdep class >> for this single pinctrl interrupts. >> >> Cc: Linus Walleij <linus.walleij@linaro.org> >> Cc: linux-gpio@vger.kernel.org >> Suggested-by: Thomas Gleixner <tglx@linutronix.de> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > > I need Tony's ACK on this patch before applying. > > Is it a regression that needs to go into fixes? > Not really, only needed by PATCH 2/2 to avoid recursive locking. -- Regards, Sudeep -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH 1/2] pinctrl: single: Use a separate lockdep class Linus Walleij <linus.walleij@linaro.org> - 2015-12-01 15:10 +0100
Re: [PATCH 1/2] pinctrl: single: Use a separate lockdep class Sudeep Holla <sudeep.holla@arm.com> - 2015-12-01 15:10 +0100
Re: [PATCH 1/2] pinctrl: single: Use a separate lockdep class Tony Lindgren <tony@atomide.com> - 2015-12-03 19:10 +0100
Re: [PATCH 1/2] pinctrl: single: Use a separate lockdep class Tony Lindgren <tony@atomide.com> - 2015-12-03 22:50 +0100
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