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x86/microcode: Use the DEVICE_ATTR_RO() macro

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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@163.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230118023554.1898-1-wgj900@163.com
This commit is contained in:
Guangju Wang[baidu]
2023-01-18 10:35:54 +08:00
committed by Ingo Molnar
parent ba73e369b7
commit 59047d942b
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kernel/cpu/microcode/core.c
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@@ -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,