From 4cc4587fb14bb04fbc68096cc3780b4e6aa88fe7 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@linux-m68k.org>
Date: Sun, 22 Aug 2010 06:23:17 +0000
Subject: [PATCH] via-pmu: Add compat_pmu_ioctl
The ioctls are actually compatible, but due to historical mistake the
numbers differ between 32bit and 64bit.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
drivers/macintosh/via-pmu.c | 42 +++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 35bc2737412fd..2d17e76066bd0 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -45,6 +45,7 @@
#include <linux/syscalls.h>
#include <linux/suspend.h>
#include <linux/cpu.h>
+#include <linux/compat.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/io.h>
@@ -2349,11 +2350,52 @@ static long pmu_unlocked_ioctl(struct file *filp,
return ret;
}
+#ifdef CONFIG_COMPAT
+#define PMU_IOC_GET_BACKLIGHT32 _IOR('B', 1, compat_size_t)
+#define PMU_IOC_SET_BACKLIGHT32 _IOW('B', 2, compat_size_t)
+#define PMU_IOC_GET_MODEL32 _IOR('B', 3, compat_size_t)
+#define PMU_IOC_HAS_ADB32 _IOR('B', 4, compat_size_t)
+#define PMU_IOC_CAN_SLEEP32 _IOR('B', 5, compat_size_t)
+#define PMU_IOC_GRAB_BACKLIGHT32 _IOR('B', 6, compat_size_t)
+
+static long compat_pmu_ioctl (struct file *filp, u_int cmd, u_long arg)
+{
+ switch (cmd) {
+ case PMU_IOC_SLEEP:
+ break;
+ case PMU_IOC_GET_BACKLIGHT32:
+ cmd = PMU_IOC_GET_BACKLIGHT;
+ break;
+ case PMU_IOC_SET_BACKLIGHT32:
+ cmd = PMU_IOC_SET_BACKLIGHT;
+ break;
+ case PMU_IOC_GET_MODEL32:
+ cmd = PMU_IOC_GET_MODEL;
+ break;
+ case PMU_IOC_HAS_ADB32:
+ cmd = PMU_IOC_HAS_ADB;
+ break;
+ case PMU_IOC_CAN_SLEEP32:
+ cmd = PMU_IOC_CAN_SLEEP;
+ break;
+ case PMU_IOC_GRAB_BACKLIGHT32:
+ cmd = PMU_IOC_GRAB_BACKLIGHT;
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+ return pmu_unlocked_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
static const struct file_operations pmu_device_fops = {
.read = pmu_read,
.write = pmu_write,
.poll = pmu_fpoll,
.unlocked_ioctl = pmu_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = compat_pmu_ioctl,
+#endif
.open = pmu_open,
.release = pmu_release,
};
--
2.39.5