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SubjectRe: [PATCH 1/4] DMA: ALTERA_MSGDMA depends on HAS_IOMEM
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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

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