From: Geert Uytterhoeven Date: Tue, 1 Oct 2019 18:06:22 +0000 (+0200) Subject: iommu/ipmmu-vmsa: Only call platform_get_irq() when interrupt is mandatory X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ec37d4e999041ae8eb507d8d444a28b338670336;p=linux.git iommu/ipmmu-vmsa: Only call platform_get_irq() when interrupt is mandatory As platform_get_irq() now prints an error when the interrupt does not exist, calling it gratuitously causes scary messages like: ipmmu-vmsa e6740000.mmu: IRQ index 0 not found Fix this by moving the call to platform_get_irq() down, where the existence of the interrupt is mandatory. Fixes: 7723f4c5ecdb8d83 ("driver core: platform: Add an error message to platform_get_irq*()") Signed-off-by: Geert Uytterhoeven Reviewed-by: Yoshihiro Shimoda Tested-by: Yoshihiro Shimoda Reviewed-by: Stephen Boyd Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 9da8309f71708..237103465b824 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -1086,8 +1086,6 @@ static int ipmmu_probe(struct platform_device *pdev) mmu->num_ctx = min(IPMMU_CTX_MAX, mmu->features->number_of_contexts); - irq = platform_get_irq(pdev, 0); - /* * Determine if this IPMMU instance is a root device by checking for * the lack of has_cache_leaf_nodes flag or renesas,ipmmu-main property. @@ -1106,6 +1104,7 @@ static int ipmmu_probe(struct platform_device *pdev) /* Root devices have mandatory IRQs */ if (ipmmu_is_root(mmu)) { + irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "no IRQ found\n"); return irq;