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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Randy Dunlap <rdunlap@infradead.org>,
        kernel test robot <lkp@intel.com>,
        Sinan Kaya <okaya@codeaurora.org>,
        Vinod Koul <vkoul@kernel.org>, dmaengine@vger.kernel.org,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.12 006/178] dmaengine: QCOM_HIDMA_MGMT depends on HAS_IOMEM
Date:   Mon, 21 Jun 2021 18:13:40 +0200
Message-Id: <20210621154921.660320661@linuxfoundation.org>
In-Reply-To: <20210621154921.212599475@linuxfoundation.org>
References: <20210621154921.212599475@linuxfoundation.org>
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From: Randy Dunlap <rdunlap@infradead.org>

[ Upstream commit 0cfbb589d67f16fa55b26ae02b69c31b52e344b1 ]

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.

Rectifies these build errors:
s390-linux-ld: drivers/dma/qcom/hidma_mgmt.o: in function `hidma_mgmt_probe':
hidma_mgmt.c:(.text+0x780): undefined reference to `devm_ioremap_resource'
s390-linux-ld: drivers/dma/qcom/hidma_mgmt.o: in function `hidma_mgmt_init':
hidma_mgmt.c:(.init.text+0x126): undefined reference to `of_address_to_resource'
s390-linux-ld: hidma_mgmt.c:(.init.text+0x16e): undefined reference to `of_address_to_resource'

Fixes: 67a2003e0607 ("dmaengine: add Qualcomm Technologies HIDMA channel driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Sinan Kaya <okaya@codeaurora.org>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: dmaengine@vger.kernel.org
Link: https://lore.kernel.org/r/20210522021313.16405-3-rdunlap@infradead.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/dma/qcom/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/qcom/Kconfig b/drivers/dma/qcom/Kconfig
index 365f94eb3b08..3f926a653bd8 100644
--- a/drivers/dma/qcom/Kconfig
+++ b/drivers/dma/qcom/Kconfig
@@ -33,6 +33,7 @@ config QCOM_GPI_DMA
 
 config QCOM_HIDMA_MGMT
 	tristate "Qualcomm Technologies HIDMA Management support"
+	depends on HAS_IOMEM
 	select DMA_ENGINE
 	help
 	  Enable support for the Qualcomm Technologies HIDMA Management.
-- 
2.30.2