linux-kernel - [PATCH 3/3] iommu/amd: Remove iommu_init

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Message-Id: <20210820202957.187572-4-suravee.suthikulpanit@amd.com>
Date:   Fri, 20 Aug 2021 15:29:57 -0500
From:   Suravee Suthikulpanit <suravee.suthikulpanit@....com>
To:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org
Cc:     joro@...tes.org, Jon.Grimm@....com, wei.huang2@....com,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Subject: [PATCH 3/3] iommu/amd: Remove iommu_init_ga()

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>
---
 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 ea3330ed545d..5ec683675ff0 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -827,9 +827,9 @@ 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))
@@ -859,18 +859,9 @@ 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)
@@ -1852,7 +1843,7 @@ 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;
 
-- 
2.17.1