linux-kernel - [tip: x86/microcode] x86/microcode: Use the DEVICE_ATTR

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Message-ID: <167404192010.4906.907537462344732818.tip-bot2@tip-bot2>
Date:   Wed, 18 Jan 2023 11:38:40 -0000
From:   "tip-bot2 for Guangju Wang[baidu]" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Guangju Wang[baidu]" <wgj900@....com>,
        Ingo Molnar <mingo@...nel.org>,
        "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/microcode] x86/microcode: Use the DEVICE_ATTR_RO() macro

The following commit has been merged into the x86/microcode branch of tip:

Commit-ID:     59047d942bedc4ce88a2121a9f9e656b9532dd30
Gitweb:        https://git.kernel.org/tip/59047d942bedc4ce88a2121a9f9e656b9532dd30
Author:        Guangju Wang[baidu] <wgj900@....com>
AuthorDate:    Wed, 18 Jan 2023 10:35:54 +08:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Wed, 18 Jan 2023 12:02:20 +01:00

x86/microcode: Use the DEVICE_ATTR_RO() macro

Use DEVICE_ATTR_RO() helper instead of open-coded DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.

No change in functionality.

Signed-off-by: Guangju Wang[baidu] <wgj900@....com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20230118023554.1898-1-wgj900@163.com
---
 arch/x86/kernel/cpu/microcode/core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 712aaff..99abb31 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -507,7 +507,7 @@ static ssize_t version_show(struct device *dev,
 	return sprintf(buf, "0x%x\n", uci->cpu_sig.rev);
 }
 
-static ssize_t pf_show(struct device *dev,
+static ssize_t processor_flags_show(struct device *dev,
 			struct device_attribute *attr, char *buf)
 {
 	struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;
@@ -515,8 +515,8 @@ static ssize_t pf_show(struct device *dev,
 	return sprintf(buf, "0x%x\n", uci->cpu_sig.pf);
 }
 
-static DEVICE_ATTR(version, 0444, version_show, NULL);
-static DEVICE_ATTR(processor_flags, 0444, pf_show, NULL);
+static DEVICE_ATTR_RO(version);
+static DEVICE_ATTR_RO(processor_flags);
 
 static struct attribute *mc_default_attrs[] = {
 	&dev_attr_version.attr,