linux-kernel - Re: linux-next: build failure after merge of the l2-mtd tree

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Date:	Mon, 18 Jul 2016 18:20:39 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Graham Moore <grmoore@...nsource.altera.com>,
	Marek Vasut <marex@...x.de>
Subject: Re: linux-next: build failure after merge of the l2-mtd tree

On Tue, Jul 19, 2016 at 10:59:30AM +1000, Stephen Rothwell wrote:
> Hi Brian,
> 
> After merging the l2-mtd tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/mtd/spi-nor/cadence-quadspi.c: In function 'cqspi_indirect_read_execute':
> drivers/mtd/spi-nor/cadence-quadspi.c:529:4: error: implicit declaration of function 'readsl' [-Werror=implicit-function-declaration]
>     readsl(ahb_base, rxbuf, DIV_ROUND_UP(bytes_to_read, 4));
>     ^
> drivers/mtd/spi-nor/cadence-quadspi.c: In function 'cqspi_indirect_write_execute':
> drivers/mtd/spi-nor/cadence-quadspi.c:613:3: error: implicit declaration of function 'writesl' [-Werror=implicit-function-declaration]
>    writesl(cqspi->ahb_base, txbuf, DIV_ROUND_UP(write_bytes, 4));
>    ^
> 
> Caused by commit
> 
>   140623410536 ("mtd: spi-nor: Add driver for Cadence Quad SPI Flash Controller")

Known:

http://lists.infradead.org/pipermail/linux-mtd/2016-July/068569.html

> Missing include of linux/io.h ...

It's not missing linux/io.h; x86 is missing readsl()/writesl(). If x86
folks don't have a solution, then I guess we'll just make this depend on
!X86.

> I have used the l2-mtd tree from next-20160718 for today.

Regards,
Brian