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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>
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@ -45,6 +45,7 @@
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#include <linux/syscalls.h>
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#include <linux/suspend.h>
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#include <linux/cpu.h>
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#include <linux/compat.h>
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#include <asm/prom.h>
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#include <asm/machdep.h>
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#include <asm/io.h>
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@ -2349,11 +2350,52 @@ static long pmu_unlocked_ioctl(struct file *filp,
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return ret;
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}
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#ifdef CONFIG_COMPAT
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#define PMU_IOC_GET_BACKLIGHT32 _IOR('B', 1, compat_size_t)
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#define PMU_IOC_SET_BACKLIGHT32 _IOW('B', 2, compat_size_t)
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#define PMU_IOC_GET_MODEL32 _IOR('B', 3, compat_size_t)
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#define PMU_IOC_HAS_ADB32 _IOR('B', 4, compat_size_t)
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#define PMU_IOC_CAN_SLEEP32 _IOR('B', 5, compat_size_t)
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#define PMU_IOC_GRAB_BACKLIGHT32 _IOR('B', 6, compat_size_t)
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static long compat_pmu_ioctl (struct file *filp, u_int cmd, u_long arg)
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{
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switch (cmd) {
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case PMU_IOC_SLEEP:
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break;
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case PMU_IOC_GET_BACKLIGHT32:
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cmd = PMU_IOC_GET_BACKLIGHT;
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break;
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case PMU_IOC_SET_BACKLIGHT32:
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cmd = PMU_IOC_SET_BACKLIGHT;
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break;
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case PMU_IOC_GET_MODEL32:
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cmd = PMU_IOC_GET_MODEL;
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break;
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case PMU_IOC_HAS_ADB32:
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cmd = PMU_IOC_HAS_ADB;
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break;
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case PMU_IOC_CAN_SLEEP32:
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cmd = PMU_IOC_CAN_SLEEP;
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break;
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case PMU_IOC_GRAB_BACKLIGHT32:
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cmd = PMU_IOC_GRAB_BACKLIGHT;
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break;
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default:
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return -ENOIOCTLCMD;
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}
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return pmu_unlocked_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
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}
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#endif
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static const struct file_operations pmu_device_fops = {
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.read = pmu_read,
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.write = pmu_write,
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.poll = pmu_fpoll,
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.unlocked_ioctl = pmu_unlocked_ioctl,
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#ifdef CONFIG_COMPAT
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.compat_ioctl = compat_pmu_ioctl,
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#endif
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.open = pmu_open,
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.release = pmu_release,
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};
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