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Message-Id: <20230118023554.1898-1-wgj900@163.com>
Date: Wed, 18 Jan 2023 10:35:54 +0800
From: Guangju Wang <wgj900@....com>
To: Borislav Petkov <bp@...en8.de>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Dave Hansen <dave.hansen@...ux.intel.com>
Cc: X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86/microcode: Use DEVICE_ATTR_RO macro
From: "Guangju Wang[baidu]" <wgj900@....com>
Use DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.
Signed-off-by: Guangju Wang[baidu] <wgj900@....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 712aafff96e0..99abb318aa7f 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,
--
2.25.1
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