Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / drivers / rtc / rtc-vr41xx.c

diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 596764f..277596c 100644 (file)
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -30,7 +30,7 @@
 #include <asm/div64.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
-#include <asm/vr41xx/irq.h>
+#include <asm/vr41xx/vr41xx.h>
 
 MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
 MODULE_DESCRIPTION("NEC VR4100 series RTC driver");
@@ -81,6 +81,7 @@ MODULE_LICENSE("GPL");
 
 #define RTC_FREQUENCY          32768
 #define MAX_PERIODIC_RATE      6553
+#define MAX_USER_PERIODIC_RATE 64
 
 static void __iomem *rtc1_base;
 static void __iomem *rtc2_base;
@@ -93,7 +94,7 @@ static void __iomem *rtc2_base;
 
 static unsigned long epoch = 1970;     /* Jan 1 1970 00:00:00 */
 
-static DEFINE_SPINLOCK(rtc_lock);
+static spinlock_t rtc_lock = SPIN_LOCK_UNLOCKED;
 static char rtc_name[] = "RTC";
 static unsigned long periodic_frequency;
 static unsigned long periodic_count;
@@ -239,6 +240,9 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long
                if (arg > MAX_PERIODIC_RATE)
                        return -EINVAL;
 
+               if (arg > MAX_USER_PERIODIC_RATE && capable(CAP_SYS_RESOURCE) == 0)
+                       return -EACCES;
+
                periodic_frequency = arg;
 
                count = RTC_FREQUENCY;
@@ -259,6 +263,10 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long
                /* Doesn't support before 1900 */
                if (arg < 1900)
                        return -EINVAL;
+
+               if (capable(CAP_SYS_TIME) == 0)
+                       return -EACCES;
+
                epoch = arg;
                break;
        default:
@@ -345,11 +353,11 @@ static int __devinit rtc_probe(struct platform_device *pdev)
        spin_unlock_irq(&rtc_lock);
 
        irq = ELAPSEDTIME_IRQ;
-       retval = request_irq(irq, elapsedtime_interrupt, IRQF_DISABLED,
+       retval = request_irq(irq, elapsedtime_interrupt, SA_INTERRUPT,
                             "elapsed_time", pdev);
        if (retval == 0) {
                irq = RTCLONG1_IRQ;
-               retval = request_irq(irq, rtclong1_interrupt, IRQF_DISABLED,
+               retval = request_irq(irq, rtclong1_interrupt, SA_INTERRUPT,
                                     "rtclong1", pdev);
        }