linux-kernel - [PATCH -next] dmaengine: tegra: Fix build error without IOMMU

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Date:   Thu, 5 May 2022 17:32:36 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <vkoul@...nel.org>, <rgumasta@...dia.com>, <pkunapuli@...dia.com>,
        <treding@...dia.com>, <digetx@...il.com>, <akhilrajeev@...dia.com>
CC:     <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] dmaengine: tegra: Fix build error without IOMMU_API

drivers/dma/tegra186-gpc-dma.c: In function ‘tegra_dma_probe’:
drivers/dma/tegra186-gpc-dma.c:1364:24: error: ‘struct iommu_fwspec’ has no member named ‘ids’
  stream_id = iommu_spec->ids[0] & 0xffff;
                        ^~

Make TEGRA186_GPC_DMA depends on IOMMU_API to fix this.

Fixes: ee17028009d4 ("dmaengine: tegra: Add tegra gpcdma driver")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/dma/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index cc1464e4acde..857b2174a4cb 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -632,6 +632,7 @@ config TXX9_DMAC
 config TEGRA186_GPC_DMA
 	tristate "NVIDIA Tegra GPC DMA support"
 	depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT
+	depends on IOMMU_API
 	select DMA_ENGINE
 	help
 	  Support for the NVIDIA Tegra General Purpose Central DMA controller.
-- 
2.17.1