diff options
Diffstat (limited to 'drivers/char')
80 files changed, 3264 insertions, 2813 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 650e6b44ce6..d0ac944e169 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -36,6 +36,14 @@ config VT If unsure, say Y, or else you won't be able to do much with your new shiny Linux system :-) +config CONSOLE_TRANSLATIONS + depends on VT + default y + bool "Enable character translations in console" if EMBEDDED + ---help--- + This enables support for font mapping and Unicode translation + on virtual consoles. + config VT_CONSOLE bool "Support for console on virtual terminal" if EMBEDDED depends on VT @@ -300,16 +308,6 @@ config SPECIALIX and compile this driver as kernel loadable module which will be called specialix. -config SPECIALIX_RTSCTS - bool "Specialix DTR/RTS pin is RTS" - depends on SPECIALIX - help - The Specialix IO8+ card can only support either RTS or DTR. If you - say N here, the driver will use the pin as "DTR" when the tty is in - software handshake mode. If you say Y here or hardware handshake is - on, it will always be RTS. Read the file - <file:Documentation/specialix.txt> for more information. - config SX tristate "Specialix SX (and SI) card support" depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) @@ -588,11 +586,14 @@ config HVC_DRIVER It will automatically be selected if one of the back-end console drivers is selected. +config HVC_IRQ + bool config HVC_CONSOLE bool "pSeries Hypervisor Virtual Console support" depends on PPC_PSERIES select HVC_DRIVER + select HVC_IRQ help pSeries machines when partitioned support a hypervisor virtual console. This driver allows each pSeries partition to have a console @@ -603,6 +604,7 @@ config HVC_ISERIES depends on PPC_ISERIES default y select HVC_DRIVER + select HVC_IRQ help iSeries machines support a hypervisor virtual console. @@ -624,13 +626,18 @@ config HVC_XEN bool "Xen Hypervisor Console support" depends on XEN select HVC_DRIVER + select HVC_IRQ default y help Xen virtual console device driver config VIRTIO_CONSOLE - bool + tristate "Virtio console" + depends on VIRTIO select HVC_DRIVER + help + Virtio console for use with lguest and other hypervisors. + config HVCS tristate "IBM Hypervisor Virtual Console Server support" @@ -867,13 +874,6 @@ config DS1302 endif # RTC_LIB -config COBALT_LCD - bool "Support for Cobalt LCD" - depends on MIPS_COBALT - help - This option enables support for the LCD display and buttons found - on Cobalt systems through a misc device. - config DTLK tristate "Double Talk PC internal speech card support" depends on ISA diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 0e0d12a0646..8a161c30e1d 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -7,13 +7,13 @@ # FONTMAPFILE = cp437.uni -obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o +obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o obj-$(CONFIG_LEGACY_PTYS) += pty.o obj-$(CONFIG_UNIX98_PTYS) += pty.o obj-y += misc.o -obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o consolemap.o \ - consolemap_deftbl.o selection.o keyboard.o +obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o selection.o keyboard.o +obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o obj-$(CONFIG_AUDIT) += tty_audit.o obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o @@ -48,6 +48,7 @@ obj-$(CONFIG_HVC_ISERIES) += hvc_iseries.o obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o obj-$(CONFIG_HVC_BEAT) += hvc_beat.o obj-$(CONFIG_HVC_DRIVER) += hvc_console.o +obj-$(CONFIG_HVC_IRQ) += hvc_irq.o obj-$(CONFIG_HVC_XEN) += hvc_xen.o obj-$(CONFIG_VIRTIO_CONSOLE) += virtio_console.o obj-$(CONFIG_RAW_DRIVER) += raw.o @@ -63,7 +64,6 @@ obj-$(CONFIG_BRIQ_PANEL) += briq_panel.o obj-$(CONFIG_BFIN_OTP) += bfin-otp.o obj-$(CONFIG_PRINTER) += lp.o -obj-$(CONFIG_TIPAR) += tipar.o obj-$(CONFIG_APM_EMULATION) += apm-emulation.o @@ -88,7 +88,6 @@ obj-$(CONFIG_TOSHIBA) += toshiba.o obj-$(CONFIG_I8K) += i8k.o obj-$(CONFIG_DS1620) += ds1620.o obj-$(CONFIG_HW_RANDOM) += hw_random/ -obj-$(CONFIG_COBALT_LCD) += lcd.o obj-$(CONFIG_PPDEV) += ppdev.o obj-$(CONFIG_NWBUTTON) += nwbutton.o obj-$(CONFIG_NWFLASH) += nwflash.o diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 37457e5a4f2..3530ff417a5 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -1248,7 +1248,7 @@ static int rs_tiocmset(struct tty_struct *tty, struct file *file, /* * rs_break() --- routine which turns the break handling on or off */ -static void rs_break(struct tty_struct *tty, int break_state) +static int rs_break(struct tty_struct *tty, int break_state) { struct async_struct * info = (struct async_struct *)tty->driver_data; unsigned long flags; @@ -1263,6 +1263,7 @@ static void rs_break(struct tty_struct *tty, int break_state) custom.adkcon = AC_UARTBRK; mb(); local_irq_restore(flags); + return 0; } diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index e991dc85f2f..fe6d774fe2e 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -3700,14 +3700,15 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, /* * cy_break() --- routine which turns the break handling on or off */ -static void cy_break(struct tty_struct *tty, int break_state) +static int cy_break(struct tty_struct *tty, int break_state) { struct cyclades_port *info = tty->driver_data; struct cyclades_card *card; unsigned long flags; + int retval = 0; if (serial_paranoia_check(info, tty->name, "cy_break")) - return; + return -EINVAL; card = info->card; @@ -3736,8 +3737,6 @@ static void cy_break(struct tty_struct *tty, int break_state) } } } else { - int retval; - if (break_state == -1) { retval = cyz_issue_cmd(card, info->line - card->first_line, @@ -3758,6 +3757,7 @@ static void cy_break(struct tty_struct *tty, int break_state) } } spin_unlock_irqrestore(&card->card_lock, flags); + return retval; } /* cy_break */ static int get_mon_info(struct cyclades_port *info, diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c index fada6ddefba..c5e67a62395 100644 --- a/drivers/char/ds1302.c +++ b/drivers/char/ds1302.c @@ -20,10 +20,11 @@ #include <linux/miscdevice.h> #include <linux/delay.h> #include <linux/bcd.h> +#include <linux/smp_lock.h> +#include <linux/uaccess.h> +#include <linux/io.h> -#include <asm/uaccess.h> #include <asm/system.h> -#include <asm/io.h> #include <asm/rtc.h> #if defined(CONFIG_M32R) #include <asm/m32r.h> @@ -153,9 +154,7 @@ static unsigned char days_in_mo[] = /* ioctl that supports RTC_RD_TIME and RTC_SET_TIME (read and set time/date). */ -static int -rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; @@ -165,7 +164,9 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, struct rtc_time rtc_tm; memset(&rtc_tm, 0, sizeof (struct rtc_time)); + lock_kernel(); get_rtc_time(&rtc_tm); + unlock_kernel(); if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time))) return -EFAULT; return 0; @@ -217,6 +218,7 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, BIN_TO_BCD(mon); BIN_TO_BCD(yrs); + lock_kernel(); local_irq_save(flags); CMOS_WRITE(yrs, RTC_YEAR); CMOS_WRITE(mon, RTC_MONTH); @@ -225,6 +227,7 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, CMOS_WRITE(min, RTC_MINUTES); CMOS_WRITE(sec, RTC_SECONDS); local_irq_restore(flags); + unlock_kernel(); /* Notice that at this point, the RTC is updated but * the kernel is still running with the old time. @@ -244,8 +247,10 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, if(copy_from_user(&tcs_val, (int*)arg, sizeof(int))) return -EFAULT; + lock_kernel(); tcs_val = RTC_TCR_PATTERN | (tcs_val & 0x0F); ds1302_writereg(RTC_TRICKLECHARGER, tcs_val); + unlock_kernel(); return 0; } default: @@ -282,7 +287,7 @@ get_rtc_status(char *buf) static const struct file_operations rtc_fops = { .owner = THIS_MODULE, - .ioctl = rtc_ioctl, + .unlocked_ioctl = rtc_ioctl, }; /* Probe for the chip by writing something to its RAM and try reading it back. */ diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index b9a30c30e2b..ca7c72a486b 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -36,10 +36,10 @@ #include <linux/smp_lock.h> #include <linux/firmware.h> #include <linux/platform_device.h> +#include <linux/uaccess.h> /* For put_user and get_user */ #include <asm/atarihw.h> #include <asm/traps.h> -#include <asm/uaccess.h> /* For put_user and get_user */ #include <asm/dsp56k.h> @@ -303,10 +303,10 @@ static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t co } } -static int dsp56k_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long dsp56k_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { - int dev = iminor(inode) & 0x0f; + int dev = iminor(file->f_path.dentry->d_inode) & 0x0f; void __user *argp = (void __user *)arg; switch(dev) @@ -331,8 +331,9 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, if (len > DSP56K_MAX_BINARY_LENGTH) { return -EINVAL; } - + lock_kernel(); r = dsp56k_upload(bin, len); + unlock_kernel(); if (r < 0) { return r; } @@ -342,12 +343,16 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, case DSP56K_SET_TX_WSIZE: if (arg > 4 || arg < 1) return -EINVAL; + lock_kernel(); dsp56k.tx_wsize = (int) arg; + unlock_kernel(); break; case DSP56K_SET_RX_WSIZE: if (arg > 4 || arg < 1) return -EINVAL; + lock_kernel(); dsp56k.rx_wsize = (int) arg; + unlock_kernel(); break; case DSP56K_HOST_FLAGS: { @@ -359,6 +364,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, if(get_user(out, &hf->out) < 0) return -EFAULT; + lock_kernel(); if ((dir & 0x1) && (out & 0x1)) dsp56k_host_interface.icr |= DSP56K_ICR_HF0; else if (dir & 0x1) @@ -373,14 +379,16 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, if (dsp56k_host_interface.icr & DSP56K_ICR_HF1) status |= 0x2; if (dsp56k_host_interface.isr & DSP56K_ISR_HF2) status |= 0x4; if (dsp56k_host_interface.isr & DSP56K_ISR_HF3) status |= 0x8; - + unlock_kernel(); return put_user(status, &hf->status); } case DSP56K_HOST_CMD: if (arg > 31 || arg < 0) return -EINVAL; + lock_kernel(); dsp56k_host_interface.cvr = (u_char)((arg & DSP56K_CVR_HV_MASK) | DSP56K_CVR_HC); + unlock_kernel(); break; default: return -EINVAL; @@ -472,7 +480,7 @@ static const struct file_operations dsp56k_fops = { .owner = THIS_MODULE, .read = dsp56k_read, .write = dsp56k_write, - .ioctl = dsp56k_ioctl, + .unlocked_ioctl = dsp56k_ioctl, .open = dsp56k_open, .release = dsp56k_release, }; @@ -500,7 +508,8 @@ static int __init dsp56k_init_driver(void) err = PTR_ERR(dsp56k_class); goto out_chrdev; } - device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), "dsp56k"); + device_create_drvdata(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), + NULL, "dsp56k"); printk(banner); goto out; diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c index d57ca3e4e53..34d15d54823 100644 --- a/drivers/char/efirtc.c +++ b/drivers/char/efirtc.c @@ -37,8 +37,8 @@ #include <linux/rtc.h> #include <linux/proc_fs.h> #include <linux/efi.h> +#include <linux/uaccess.h> -#include <asm/uaccess.h> #include <asm/system.h> #define EFI_RTC_VERSION "0.4" @@ -51,8 +51,8 @@ static DEFINE_SPINLOCK(efi_rtc_lock); -static int efi_rtc_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); +static long efi_rtc_ioctl(struct file *file, unsigned int cmd, + unsigned long arg); #define is_leap(year) \ ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) @@ -146,9 +146,8 @@ convert_from_efi_ |