[PATCH] Input: lpc32xx-keys - fix invalid error handling of a requested irq
Dmitry Torokhov
dmitry.torokhov at gmail.com
Wed Dec 7 10:46:41 PST 2016
On December 7, 2016 10:13:07 AM PST, Sylvain Lemieux <slemieux.tyco at gmail.com> wrote:
>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_keys driver initialization on boot:
>>
>> lpc32xx_keys 40050000.key: failed to get platform irq
>> lpc32xx_keys: probe of 40050000.key failed with error -22
>>
>> Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>
>> ---
>> drivers/input/keyboard/lpc32xx-keys.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>Cosmetic - please update the subject line when doing the commit:
>replace " -" by ":" after lpc32xx-keys
Why? The format on all input patches is "Input: <driver> - <subject>" and had been this for 10+ years.
Thanks.
--
Dmitry
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