linux-kernel - [PATCH v2 15/31] EDAC/amd64: Simplify function parameters

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Message-Id: <20210623192002.3671647-16-yazen.ghannam@amd.com>
Date:   Wed, 23 Jun 2021 19:19:46 +0000
From:   Yazen Ghannam <yazen.ghannam@....com>
To:     linux-edac@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, bp@...en8.de, mchehab@...nel.org,
        tony.luck@...el.com, Smita.KoralahalliChannabasappa@....com,
        Yazen Ghannam <yazen.ghannam@....com>
Subject: [PATCH v2 15/31] EDAC/amd64: Simplify function parameters

Use a single address parameter for input and result to reduce the number
of parameters.

Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
---
Link:
https://lkml.kernel.org/r/20210507190140.18854-12-Yazen.Ghannam@amd.com

v1->v2:
* Moved from arch/x86 to EDAC.

 drivers/edac/amd64_edac.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 3f1ff5adce4a..496ca863f45a 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1371,14 +1371,14 @@ static int addr_over_limit(struct addr_ctx *ctx)
 	return 0;
 }
 
-static int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr)
+static int umc_normaddr_to_sysaddr(u64 *addr, u16 nid, u8 umc)
 {
 	struct addr_ctx ctx;
 
 	memset(&ctx, 0, sizeof(ctx));
 
 	/* We start from the normalized address */
-	ctx.ret_addr = norm_addr;
+	ctx.ret_addr = *addr;
 
 	ctx.nid = nid;
 	ctx.inst_id = umc;
@@ -1407,7 +1407,7 @@ static int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr
 	if (addr_over_limit(&ctx))
 		return -EINVAL;
 
-	*sys_addr = ctx.ret_addr;
+	*addr = ctx.ret_addr;
 	return 0;
 }
 
@@ -3314,7 +3314,7 @@ static void decode_umc_error(int node_id, struct mce *m)
 	struct mem_ctl_info *mci;
 	struct amd64_pvt *pvt;
 	struct err_info err;
-	u64 sys_addr;
+	u64 sys_addr = m->addr;
 
 	mci = edac_mc_find(node_id);
 	if (!mci)
@@ -3345,7 +3345,7 @@ static void decode_umc_error(int node_id, struct mce *m)
 
 	err.csrow = m->synd & 0x7;
 
-	if (umc_normaddr_to_sysaddr(m->addr, pvt->mc_node_id, err.channel, &sys_addr)) {
+	if (umc_normaddr_to_sysaddr(&sys_addr, pvt->mc_node_id, err.channel)) {
 		err.err_code = ERR_NORM_ADDR;
 		goto log_error;
 	}
-- 
2.25.1