Commit 5e799a7c authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Joerg Roedel
Browse files

iommu/exynos: Use the devm_clk_get_optional() helper 



Use devm_clk_get_optional() instead of hand writing it.
This saves some loC and improves the semantic.

Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/99c0d5ce643737ee0952df41fd60433a0bbeb447.1679834256.git.christophe.jaillet@wanadoo.fr


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent e8d018dd

drivers/iommu/exynos-iommu.c

+8 −16
Original line number Original line Diff line number Diff line
@@ -747,22 +747,16 @@ static int exynos_sysmmu_probe(struct platform_device *pdev) 
		return ret;

		return ret;

	}

	}





	data->clk = devm_clk_get(dev, "sysmmu");

	data->clk = devm_clk_get_optional(dev, "sysmmu");

	if (PTR_ERR(data->clk) == -ENOENT)

	if (IS_ERR(data->clk))

		data->clk = NULL;

	else if (IS_ERR(data->clk))

		return PTR_ERR(data->clk);

		return PTR_ERR(data->clk);





	data->aclk = devm_clk_get(dev, "aclk");

	data->aclk = devm_clk_get_optional(dev, "aclk");

	if (PTR_ERR(data->aclk) == -ENOENT)

	if (IS_ERR(data->aclk))

		data->aclk = NULL;

	else if (IS_ERR(data->aclk))

		return PTR_ERR(data->aclk);

		return PTR_ERR(data->aclk);





	data->pclk = devm_clk_get(dev, "pclk");

	data->pclk = devm_clk_get_optional(dev, "pclk");

	if (PTR_ERR(data->pclk) == -ENOENT)

	if (IS_ERR(data->pclk))

		data->pclk = NULL;

	else if (IS_ERR(data->pclk))

		return PTR_ERR(data->pclk);

		return PTR_ERR(data->pclk);





	if (!data->clk && (!data->aclk || !data->pclk)) {

	if (!data->clk && (!data->aclk || !data->pclk)) {
@@ -770,10 +764,8 @@ static int exynos_sysmmu_probe(struct platform_device *pdev) 
		return -ENOSYS;

		return -ENOSYS;

	}

	}





	data->clk_master = devm_clk_get(dev, "master");

	data->clk_master = devm_clk_get_optional(dev, "master");

	if (PTR_ERR(data->clk_master) == -ENOENT)

	if (IS_ERR(data->clk_master))

		data->clk_master = NULL;

	else if (IS_ERR(data->clk_master))

		return PTR_ERR(data->clk_master);

		return PTR_ERR(data->clk_master);





	data->sysmmu = dev;

	data->sysmmu = dev;