diff options
Diffstat (limited to 'drivers/media/platform/omap3isp/isp.c')
| -rw-r--r-- | drivers/media/platform/omap3isp/isp.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index 8eb000e3d8fd..f22cf351e3ee 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -61,7 +61,9 @@ #include <linux/sched.h> #include <linux/vmalloc.h> +#ifdef CONFIG_ARM_DMA_USE_IOMMU #include <asm/dma-iommu.h> +#endif #include <media/v4l2-common.h> #include <media/v4l2-fwnode.h> @@ -284,13 +286,6 @@ static const struct clk_ops isp_xclk_ops = { static const char *isp_xclk_parent_name = "cam_mclk"; -static const struct clk_init_data isp_xclk_init_data = { - .name = "cam_xclk", - .ops = &isp_xclk_ops, - .parent_names = &isp_xclk_parent_name, - .num_parents = 1, -}; - static struct clk *isp_xclk_src_get(struct of_phandle_args *clkspec, void *data) { unsigned int idx = clkspec->args[0]; @@ -1945,12 +1940,16 @@ error_csi2: static void isp_detach_iommu(struct isp_device *isp) { +#ifdef CONFIG_ARM_DMA_USE_IOMMU + arm_iommu_detach_device(isp->dev); arm_iommu_release_mapping(isp->mapping); isp->mapping = NULL; +#endif } static int isp_attach_iommu(struct isp_device *isp) { +#ifdef CONFIG_ARM_DMA_USE_IOMMU struct dma_iommu_mapping *mapping; int ret; @@ -1961,8 +1960,7 @@ static int isp_attach_iommu(struct isp_device *isp) mapping = arm_iommu_create_mapping(&platform_bus_type, SZ_1G, SZ_2G); if (IS_ERR(mapping)) { dev_err(isp->dev, "failed to create ARM IOMMU mapping\n"); - ret = PTR_ERR(mapping); - goto error; + return PTR_ERR(mapping); } isp->mapping = mapping; @@ -1977,8 +1975,12 @@ static int isp_attach_iommu(struct isp_device *isp) return 0; error: - isp_detach_iommu(isp); + arm_iommu_release_mapping(isp->mapping); + isp->mapping = NULL; return ret; +#else + return -ENODEV; +#endif } /* |