lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20140428121053.GA21279@lee--X1>
Date:	Mon, 28 Apr 2014 13:10:53 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Sangbeom Kim <sbkim73@...sung.com>,
	linux-kernel@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH 1/2] mfd: max14577: Fix IRQ handling after resume if this
 is not a wakeup source

> During suspend the IRQ should be disabled even if this is not a wakeup
> source. This is a proper way of fixing the IRQ handling issue during
> resume (IRQ handler fails because I2C bus did not resume yet).
> 
> When device is suspended and max14577 interrupt is signaled the irq chip
> will try to handle it regardless of wakeup source. Device could be woken
> up by different IRQ but still the IRQ handler will try to read the
> registers over I2C bus and fail because I2C bus won't be ready yet:
> 	max14577 2-0025: Failed to read IRQ status: -5
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  drivers/mfd/max14577.c | 29 +++++++++++++----------------
>  1 file changed, 13 insertions(+), 16 deletions(-)

It's pretty worrying that these two patches are so alike and they
actually change different files. Is there any way we can unify more of
the code?

Patch applied, thanks.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ