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From: Stefan Roese <sr@denx.de>
To: Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org
Cc: Vinod Koul <vkoul@kernel.org>,
	dmaengine@vger.kernel.org, Sinan Kaya <okaya@codeaurora.org>,
	Green Wan <green.wan@sifive.com>,
	Hyun Kwon <hyun.kwon@xilinx.com>,
	Tejas Upadhyay <tejasu@xilinx.com>,
	Michal Simek <michal.simek@xilinx.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	kernel test robot <lkp@intel.com>
Subject: Re: [PATCH 1/4] DMA: ALTERA_MSGDMA depends on HAS_IOMEM
Date: Sat, 22 May 2021 09:21:24 +0200	[thread overview]
Message-ID: <4fde705b-6d57-ba73-e7d6-63beb690117e@denx.de> (raw)
In-Reply-To: <20210522021313.16405-2-rdunlap@infradead.org>

On 22.05.21 04:13, Randy Dunlap wrote:
> When CONFIG_HAS_IOMEM is not set/enabled, certain iomap() family
> functions [including ioremap(), devm_ioremap(), etc.] are not
> available.
> Drivers that use these functions should depend on HAS_IOMEM so that
> they do not cause build errors.
> 
> Repairs this build error:
> s390-linux-ld: drivers/dma/altera-msgdma.o: in function `request_and_map':
> altera-msgdma.c:(.text+0x14b0): undefined reference to `devm_ioremap'
> 
> Fixes: a85c6f1b2921 ("dmaengine: Add driver for Altera / Intel mSGDMA IP core")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: Stefan Roese <sr@denx.de>
> Cc: Vinod Koul <vkoul@kernel.org>
> Cc: dmaengine@vger.kernel.org

Reviewed-by: Stefan Roese <sr@denx.de>

Thanks,
Stefan

> ---
>   drivers/dma/Kconfig |    1 +
>   1 file changed, 1 insertion(+)
> 
> --- linux-next-20210521.orig/drivers/dma/Kconfig
> +++ linux-next-20210521/drivers/dma/Kconfig
> @@ -59,6 +59,7 @@ config DMA_OF
>   #devices
>   config ALTERA_MSGDMA
>   	tristate "Altera / Intel mSGDMA Engine"
> +	depends on HAS_IOMEM
>   	select DMA_ENGINE
>   	help
>   	  Enable support for Altera / Intel mSGDMA controller.
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr@denx.de

  reply	other threads:[~2021-05-22  7:21 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-22  2:13 [PATCH 0/4] DMA: several drivers depend " Randy Dunlap
2021-05-22  2:13 ` [PATCH 1/4] DMA: ALTERA_MSGDMA depends " Randy Dunlap
2021-05-22  7:21   ` Stefan Roese [this message]
2021-05-22  2:13 ` [PATCH 2/4] DMA: QCOM_HIDMA_MGMT " Randy Dunlap
2021-05-22  2:13 ` [PATCH 3/4] DMA: SF_PDMA " Randy Dunlap
2021-05-22  2:13 ` [PATCH 4/4] DMA: XILINX_ZYNQMP_DPDMA " Randy Dunlap
2021-05-23  0:20   ` Laurent Pinchart
2021-05-23  1:07     ` Randy Dunlap
2021-05-23 18:53       ` Laurent Pinchart
2021-05-23 19:08         ` Randy Dunlap
2021-05-31  4:12           ` Vinod Koul
2021-05-31  4:14 ` [PATCH 0/4] DMA: several drivers depend " Vinod Koul

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