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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-kernel@vger.kernel.org, Stefan Roese <sr@denx.de>,
	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>,
	kernel test robot <lkp@intel.com>
Subject: Re: [PATCH 4/4] DMA: XILINX_ZYNQMP_DPDMA depends on HAS_IOMEM
Date: Sun, 23 May 2021 03:20:03 +0300	[thread overview]
Message-ID: <YKmfs68Cq4osBaQ0@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20210522021313.16405-5-rdunlap@infradead.org>

Hi Randy,

Thank you for the patch.

On Fri, May 21, 2021 at 07:13:13PM -0700, Randy Dunlap wrote:
> When CONFIG_HAS_IOMEM is not set/enabled, most 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.
> 
> Cures this build error:
> s390-linux-ld: drivers/dma/xilinx/xilinx_dpdma.o: in function `xilinx_dpdma_probe':
> xilinx_dpdma.c:(.text+0x336a): undefined reference to `devm_platform_ioremap_resource'

I've previously posted
https://lore.kernel.org/dmaengine/20210520152420.23986-2-laurent.pinchart@ideasonboard.com/T/#u
which fixes the same issue (plus an additional one).

> Fixes: 7cbb0c63de3fc ("dmaengine: xilinx: dpdma: Add the Xilinx DisplayPort DMA engine driver")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: Vinod Koul <vkoul@kernel.org>
> CC: dmaengine@vger.kernel.org
> Cc: Hyun Kwon <hyun.kwon@xilinx.com>
> Cc: Tejas Upadhyay <tejasu@xilinx.com>
> Cc: Michal Simek <michal.simek@xilinx.com>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>  drivers/dma/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-next-20210521.orig/drivers/dma/Kconfig
> +++ linux-next-20210521/drivers/dma/Kconfig
> @@ -702,6 +702,7 @@ config XILINX_ZYNQMP_DMA
>  
>  config XILINX_ZYNQMP_DPDMA
>  	tristate "Xilinx DPDMA Engine"
> +	depends on HAS_IOMEM
>  	select DMA_ENGINE
>  	select DMA_VIRTUAL_CHANNELS
>  	help

-- 
Regards,

Laurent Pinchart

  reply	other threads:[~2021-05-23  0:20 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
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 [this message]
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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