[SPARC64]: Stop using drivers/char/rtc.c

The existing sparc64 mini_rtc driver can handle CMOS based
rtcs trivially with just a few lines of code and the simplifies
things tremendously.

Tested on SB1500.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 7 insertions, 25 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 4373d7cdc5d2..c8dfd18bea44 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -726,7 +726,7 @@ config NVRAM
 
 config RTC
         tristate "Enhanced Real Time Clock Support"
-        depends on !PPC && !PARISC && !IA64 && !M68K && (!SPARC || PCI) && !FRV && !ARM && !SUPERH && !S390
+        depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC64 && (!SPARC32 || PCI) && !FRV && !ARM && !SUPERH && !S390
         ---help---
           If you say Y here and create a character special file /dev/rtc with
           major number 10 and minor number 135 using mknod ("man mknod"), you
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 22cf7aa56cc4..30c3f54c7666 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -86,12 +86,9 @@
 #include <asm/hpet.h>
 #endif
 
-#ifdef __sparc__
+#ifdef CONFIG_SPARC32
 #include <linux/pci.h>
 #include <asm/ebus.h>
-#ifdef __sparc_v9__
-#include <asm/isa.h>
-#endif
 
 static unsigned long rtc_port;
 static int rtc_irq = PCI_IRQ_NONE;
@@ -930,13 +927,9 @@ static int __init rtc_init(void)
         unsigned int year, ctrl;
         char *guess = NULL;
 #endif
-#ifdef __sparc__
+#ifdef CONFIG_SPARC32
         struct linux_ebus *ebus;
         struct linux_ebus_device *edev;
-#ifdef __sparc_v9__
-        struct sparc_isa_bridge *isa_br;
-        struct sparc_isa_device *isa_dev;
-#endif
 #else
         void *r;
 #ifdef RTC_IRQ
@@ -944,7 +937,7 @@ static int __init rtc_init(void)
 #endif
 #endif
 
-#ifdef __sparc__
+#ifdef CONFIG_SPARC32
         for_each_ebus(ebus) {
                 for_each_ebusdev(edev, ebus) {
                         if(strcmp(edev->prom_node->name, "rtc") == 0) {
@@ -954,17 +947,6 @@ static int __init rtc_init(void)
                         }
                 }
         }
-#ifdef __sparc_v9__
-        for_each_isa(isa_br) {
-                for_each_isadev(isa_dev, isa_br) {
-                        if (strcmp(isa_dev->prom_node->name, "rtc") == 0) {
-                                rtc_port = isa_dev->resource.start;
-                                rtc_irq = isa_dev->irq;
-                                goto found;
-                        }
-                }
-        }
-#endif
         rtc_has_irq = 0;
         printk(KERN_ERR "rtc_init: no PC rtc found\n");
         return -EIO;
@@ -1020,7 +1002,7 @@ no_irq:
 
 #endif
 
-#endif /* __sparc__ vs. others */
+#endif /* CONFIG_SPARC32 vs. others */
 
         if (misc_register(&rtc_dev)) {
 #ifdef RTC_IRQ
@@ -1105,7 +1087,7 @@ static void __exit rtc_exit (void)
         remove_proc_entry ("driver/rtc", NULL);
         misc_deregister(&rtc_dev);
 
-#ifdef __sparc__
+#ifdef CONFIG_SPARC32
         if (rtc_has_irq)
                 free_irq (rtc_irq, &rtc_port);
 #else
@@ -1117,7 +1099,7 @@ static void __exit rtc_exit (void)
         if (rtc_has_irq)
                 free_irq (RTC_IRQ, NULL);
 #endif
-#endif /* __sparc__ */
+#endif /* CONFIG_SPARC32 */
 }
 
 module_init(rtc_init);