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Date: Fri, 21 May 2021 19:13:12 -0700 From: Randy Dunlap <rdunlap@...radead.org> To: linux-kernel@...r.kernel.org Cc: Randy Dunlap <rdunlap@...radead.org>, Stefan Roese <sr@...x.de>, Vinod Koul <vkoul@...nel.org>, dmaengine@...r.kernel.org, Sinan Kaya <okaya@...eaurora.org>, Green Wan <green.wan@...ive.com>, Hyun Kwon <hyun.kwon@...inx.com>, Tejas Upadhyay <tejasu@...inx.com>, Michal Simek <michal.simek@...inx.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, kernel test robot <lkp@...el.com> Subject: [PATCH 3/4] DMA: SF_PDMA depends on HAS_IOMEM 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. Mends this build error: s390-linux-ld: drivers/dma/sf-pdma/sf-pdma.o: in function `sf_pdma_probe': sf-pdma.c:(.text+0x1668): undefined reference to `devm_ioremap_resource' Fixes: 6973886ad58e ("dmaengine: sf-pdma: add platform DMA support for HiFive Unleashed A00") Signed-off-by: Randy Dunlap <rdunlap@...radead.org> Reported-by: kernel test robot <lkp@...el.com> Cc: Green Wan <green.wan@...ive.com> Cc: Vinod Koul <vkoul@...nel.org> Cc: dmaengine@...r.kernel.org --- drivers/dma/sf-pdma/Kconfig | 1 + 1 file changed, 1 insertion(+) --- linux-next-20210521.orig/drivers/dma/sf-pdma/Kconfig +++ linux-next-20210521/drivers/dma/sf-pdma/Kconfig @@ -1,5 +1,6 @@ config SF_PDMA tristate "Sifive PDMA controller driver" + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help
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