From: Sylvain Lemieux <slemieux.tyco@gmail.com>
To: Vladimir Zapolskiy <vz@mleia.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>,
Richard Weinberger <richard@nod.at>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
linux-mtd@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] mtd: nand: lpc32xx: fix invalid error handling of a requested irq
Date: Wed, 07 Dec 2016 13:09:25 -0500 [thread overview]
Message-ID: <1481134165.9248.4.camel@localhost> (raw)
In-Reply-To: <20161205014710.2015-1-vz@mleia.com>
On Mon, 2016-12-05 at 03:47 +0200, Vladimir Zapolskiy wrote:
> Semantics of NR_IRQS is different on machines with SPARSE_IRQ option
> disabled or enabled, in the latter case IRQs are allocated starting
> at least from the value specified by NR_IRQS and going upwards, so
> the check of (irq >= NR_IRQ) to decide about an error code returned by
> platform_get_irq() is completely invalid, don't attempt to overrule
> irq subsystem in the driver.
>
> The change fixes LPC32xx NAND MLC driver initialization on boot.
>
> Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
> ---
> drivers/mtd/nand/lpc32xx_mlc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
WARNING: multiple messages have this Message-ID (diff)
From: slemieux.tyco@gmail.com (Sylvain Lemieux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mtd: nand: lpc32xx: fix invalid error handling of a requested irq
Date: Wed, 07 Dec 2016 13:09:25 -0500 [thread overview]
Message-ID: <1481134165.9248.4.camel@localhost> (raw)
In-Reply-To: <20161205014710.2015-1-vz@mleia.com>
On Mon, 2016-12-05 at 03:47 +0200, Vladimir Zapolskiy wrote:
> Semantics of NR_IRQS is different on machines with SPARSE_IRQ option
> disabled or enabled, in the latter case IRQs are allocated starting
> at least from the value specified by NR_IRQS and going upwards, so
> the check of (irq >= NR_IRQ) to decide about an error code returned by
> platform_get_irq() is completely invalid, don't attempt to overrule
> irq subsystem in the driver.
>
> The change fixes LPC32xx NAND MLC driver initialization on boot.
>
> Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
> ---
> drivers/mtd/nand/lpc32xx_mlc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
next prev parent reply other threads:[~2016-12-07 18:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-05 1:47 [PATCH] mtd: nand: lpc32xx: fix invalid error handling of a requested irq Vladimir Zapolskiy
2016-12-05 1:47 ` Vladimir Zapolskiy
2016-12-07 18:09 ` Sylvain Lemieux [this message]
2016-12-07 18:09 ` Sylvain Lemieux
2017-01-03 9:12 ` Boris Brezillon
2017-01-03 9:12 ` Boris Brezillon
2017-01-03 10:16 ` Vladimir Zapolskiy
2017-01-03 10:16 ` Vladimir Zapolskiy
2017-01-03 10:47 ` Boris Brezillon
2017-01-03 10:47 ` Boris Brezillon
2017-01-05 17:58 ` Brian Norris
2017-01-05 17:58 ` Brian Norris
2017-01-05 18:19 ` Vladimir Zapolskiy
2017-01-05 18:19 ` Vladimir Zapolskiy
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