linux-kernel - [PATCH v1 4/8] x86/quirks: Convert DMI matching to use a table

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Date:   Fri, 17 Jan 2020 19:56:22 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org,
        "Guilherme G . Piccoli" <gpiccoli@...onical.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 4/8] x86/quirks: Convert DMI matching to use a table

In order to extend the DMI based quirks, convert them to a table.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 arch/x86/kernel/quirks.c | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 5b96654aacc0..447d4fba8516 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -667,8 +667,31 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2083, quirk_intel_purley_xeon_ras
 bool x86_apple_machine;
 EXPORT_SYMBOL(x86_apple_machine);
 
+static int apple_machine_cb(const struct dmi_system_id *id)
+{
+	x86_apple_machine = true;
+	return 1;
+}
+
+static const struct dmi_system_id x86_machine_table[] = {
+	{
+		.ident = "x86 Apple Macintosh",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+		},
+		.callback = apple_machine_cb,
+	},
+	{
+		.ident = "x86 Apple Macintosh",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
+		},
+		.callback = apple_machine_cb,
+	},
+	{}
+};
+
 void __init early_platform_quirks(void)
 {
-	x86_apple_machine = dmi_match(DMI_SYS_VENDOR, "Apple Inc.") ||
-			    dmi_match(DMI_SYS_VENDOR, "Apple Computer, Inc.");
+	dmi_check_system(x86_machine_table);
 }
-- 
2.24.1