linux-kernel - Re: [PATCH] rtc: add x86 support for rtc-efi

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Date:	Mon, 06 Apr 2009 18:55:49 -0400
From:	Brian Maly <bmaly@...hat.com>
To:	"H. Peter Anvin" <h.peter.anvin@...el.com>
CC:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	dannf@...com, ying.huang@...el.com
Subject: Re: [PATCH] rtc: add x86 support for rtc-efi

re-post of the patch, both as inline and as an attachment (which 
hopefully wont cause confusion).


--- a/drivers/rtc/Kconfig    2009-03-26 12:39:59.000000000 -0400
+++ b/drivers/rtc/Kconfig    2009-04-06 18:46:58.000000000 -0400
@@ -442,7 +442,7 @@ config RTC_DRV_DS1742
 
 config RTC_DRV_EFI
     tristate "EFI RTC"
-    depends on IA64
+   depends on EFI
     help
       If you say yes here you will get support for the EFI
       Real Time Clock.
--- a/arch/x86/kernel/time_32.c    2009-03-12 22:39:28.000000000 -0400
+++ b/arch/x86/kernel/time_32.c    2009-03-26 13:06:10.000000000 -0400
@@ -32,6 +32,7 @@
 #include <linux/interrupt.h>
 #include <linux/time.h>
 #include <linux/mca.h>
+#include <linux/platform_device.h>
 
 #include <asm/arch_hooks.h>
 #include <asm/hpet.h>
@@ -135,3 +136,21 @@ void __init time_init(void)
     tsc_init();
     late_time_init = choose_time_init();
 }
+
+
+#ifdef CONFIG_RTC_DRV_EFI
+static struct platform_device rtc_efi_dev = {
+    .name = "rtc-efi",
+    .id = -1,
+};
+
+static int __init rtc_init(void)
+{
+    if (platform_device_register(&rtc_efi_dev) < 0)
+        printk(KERN_ERR "unable to register rtc device...\n");
+
+    /* not necessarily an error */
+    return 0;
+}
+module_init(rtc_init);
+#endif
--- a/arch/x86/kernel/time_64.c    2009-03-12 22:39:28.000000000 -0400
+++ b/arch/x86/kernel/time_64.c    2009-03-26 13:06:19.000000000 -0400
@@ -18,6 +18,7 @@
 #include <linux/time.h>
 #include <linux/mca.h>
 #include <linux/nmi.h>
+#include <linux/platform_device.h>
 
 #include <asm/i8253.h>
 #include <asm/hpet.h>
@@ -135,3 +136,20 @@ void __init time_init(void)
 
     late_time_init = choose_time_init();
 }
+
+#ifdef CONFIG_RTC_DRV_EFI
+static struct platform_device rtc_efi_dev = {
+    .name = "rtc-efi",
+    .id = -1,
+};
+
+static int __init rtc_init(void)
+{
+    if (platform_device_register(&rtc_efi_dev) < 0)
+        printk(KERN_ERR "unable to register rtc device...\n");
+
+    /* not necessarily an error */
+    return 0;
+}
+module_init(rtc_init);
+#endif

--------------------------------------------------------------------------------------------


View attachment "2.6.29-add-x86-support-for-efi-rtc.patch" of type "text/x-patch" (1849 bytes)