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[v1,5/5] platform/x86: intel_scu_wdt: Get rid of custom x86 model comparison

Message ID 20210122123201.40935-5-andriy.shevchenko@linux.intel.com
State New
Headers show
Series [v1,1/5] watchdog: intel_scu_watchdog: Remove driver for deprecated platform | expand

Commit Message

Andy Shevchenko Jan. 22, 2021, 12:32 p.m. UTC 
Switch the platform code to use x86_id_table and accompanying API
instead of custom comparison against x86 CPU model.

This is one of the last users of custom API for that and following
changes will remove it for the good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/platform/x86/intel_scu_wdt.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/platform/x86/intel_scu_wdt.c b/drivers/platform/x86/intel_scu_wdt.c
index 19f7686a3c19..85ee85ca2215 100644
--- a/drivers/platform/x86/intel_scu_wdt.c
+++ b/drivers/platform/x86/intel_scu_wdt.c
@@ -11,6 +11,8 @@ 
 #include <linux/platform_device.h>
 #include <linux/platform_data/intel-mid_wdt.h>
 
+#include <asm/cpu_device_id.h>
+#include <asm/intel-family.h>
 #include <asm/intel-mid.h>
 #include <asm/io_apic.h>
 #include <asm/hw_irq.h>
@@ -48,12 +50,20 @@  static struct intel_mid_wdt_pdata tangier_pdata = {
 	.probe = tangier_probe,
 };
 
+static const struct x86_cpu_id intel_mid_cpu_ids[] = {
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT_MID, &tangier_pdata),
+	{}
+};
+
 static int __init register_mid_wdt(void)
 {
-	if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER)
+	const struct x86_cpu_id *id;
+
+	id = x86_match_cpu(intel_mid_cpu_ids);
+	if (!id)
 		return -ENODEV;
 
-	wdt_dev.dev.platform_data = &tangier_pdata;
+	wdt_dev.dev.platform_data = (const struct intel_mid_wdt_pdata *)id->driver_data;
 	return platform_device_register(&wdt_dev);
 }
 arch_initcall(register_mid_wdt);