From: stillcompiling@gmail.com (Joshua Clayton)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/3] lib: add bitrev8x4()
Date: Thu, 1 Dec 2016 16:04:09 -0800 [thread overview]
Message-ID: <8fb2f1c2-c39c-b74f-d5c8-d6731cbd67c8@gmail.com> (raw)
In-Reply-To: <20161201234523.3bed63dc@crub>
Hello Anatolij,
Thanks for the review.
On 12/01/2016 02:45 PM, Anatolij Gustschin wrote:
> On Thu, 1 Dec 2016 09:04:50 -0800
> Joshua Clayton stillcompiling at gmail.com wrote:
> ...
>> diff --git a/arch/arm/include/asm/bitrev.h b/arch/arm/include/asm/bitrev.h
>> index ec291c3..6d2e9ca 100644
>> --- a/arch/arm/include/asm/bitrev.h
>> +++ b/arch/arm/include/asm/bitrev.h
>> @@ -17,4 +17,9 @@ static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
>> return __arch_bitrev32((u32)x) >> 24;
>> }
>>
>> +static __always_inline __attribute_const__ u32 __arch_bitrev8x4(u32 x)
>> +{
>> + __asm__ ("rbit %0, %1; rev %0, %0" : "=r" (x) : "r" (x));
> return x;
Oops thats a little embarrassing;
I'll add a return.
>> +}
> otherwise you get
>
> In function '__arch_bitrev8x4':
> warning: no return statement in function returning non-void [-Wreturn-type]
>
> --
> Anatolij
I wonder why I do not see this warning when compiling. The inlining, maybe?
Joshua
next prev parent reply other threads:[~2016-12-02 0:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-01 17:04 [PATCH v4 0/3] Altera Cyclone Passive Serial SPI FPGA Manager Joshua Clayton
2016-12-01 17:04 ` [PATCH v4 1/3] lib: add bitrev8x4() Joshua Clayton
2016-12-01 22:45 ` Anatolij Gustschin
2016-12-02 0:04 ` Joshua Clayton [this message]
2016-12-02 7:51 ` Anatolij Gustschin
2016-12-01 17:04 ` [PATCH v4 2/3] doc: dt: add cyclone-spi binding document Joshua Clayton
2016-12-01 17:41 ` Moritz Fischer
2016-12-06 16:05 ` Rob Herring
2016-12-01 17:04 ` [PATCH v4 3/3] fpga manager: Add cyclone-ps-spi driver for Altera FPGAs Joshua Clayton
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