linux-kernel - [PATCH 5.10 277/563] iommu/amd: Remove iommu_init

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Message-Id: <20220124184034.018563907@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:40:42 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        Joerg Roedel <jroedel@...e.de>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 277/563] iommu/amd: Remove iommu_init_ga()

From: Suravee Suthikulpanit <suravee.suthikulpanit@....com>

[ Upstream commit eb03f2d2f6a4da25d286613717d10add9ce9f175 ]

Since the function has been simplified and only call iommu_init_ga_log(),
remove the function and replace with iommu_init_ga_log() instead.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Link: https://lore.kernel.org/r/20210820202957.187572-4-suravee.suthikulpanit@amd.com
Fixes: 8bda0cfbdc1a ("iommu/amd: Detect and initialize guest vAPIC log")
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/iommu/amd/init.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 28de889aa5164..c82f8ab4783c0 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -830,9 +830,9 @@ static int iommu_ga_log_enable(struct amd_iommu *iommu)
 	return 0;
 }
 
-#ifdef CONFIG_IRQ_REMAP
 static int iommu_init_ga_log(struct amd_iommu *iommu)
 {
+#ifdef CONFIG_IRQ_REMAP
 	u64 entry;
 
 	if (!AMD_IOMMU_GUEST_IR_VAPIC(amd_iommu_guest_ir))
@@ -862,18 +862,9 @@ static int iommu_init_ga_log(struct amd_iommu *iommu)
 err_out:
 	free_ga_log(iommu);
 	return -EINVAL;
-}
-#endif /* CONFIG_IRQ_REMAP */
-
-static int iommu_init_ga(struct amd_iommu *iommu)
-{
-	int ret = 0;
-
-#ifdef CONFIG_IRQ_REMAP
-	ret = iommu_init_ga_log(iommu);
+#else
+	return 0;
 #endif /* CONFIG_IRQ_REMAP */
-
-	return ret;
 }
 
 static int __init alloc_cwwb_sem(struct amd_iommu *iommu)
@@ -1860,7 +1851,7 @@ static int __init iommu_init_pci(struct amd_iommu *iommu)
 	if (iommu_feature(iommu, FEATURE_PPR) && alloc_ppr_log(iommu))
 		return -ENOMEM;
 
-	ret = iommu_init_ga(iommu);
+	ret = iommu_init_ga_log(iommu);
 	if (ret)
 		return ret;
 
-- 
2.34.1