diff options
Diffstat (limited to 'drivers/char')
58 files changed, 135 insertions, 49 deletions
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 73dbf40c874..a7637d72cef 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -6,9 +6,9 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/agp_backend.h> -#include <linux/gfp.h> #include <linux/page-flags.h> #include <linux/mm.h> +#include <linux/slab.h> #include "agp.h" #define AMD_MMBASE 0x14 diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index c3ab46da51a..ee4f855611b 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/pagemap.h> #include <linux/miscdevice.h> #include <linux/pm.h> diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c index 58c57cb2518..9d2c97a69cd 100644 --- a/drivers/char/agp/compat_ioctl.c +++ b/drivers/char/agp/compat_ioctl.c @@ -30,6 +30,7 @@ #include <linux/pci.h> #include <linux/fs.h> #include <linux/agpgart.h> +#include <linux/slab.h> #include <asm/uaccess.h> #include "agp.h" #include "compat_ioctl.h" diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index c50543966eb..fb86708e47e 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -38,6 +38,7 @@ #include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/sched.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/cacheflush.h> #include <asm/pgtable.h> diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 58752b70efe..056b289a1e8 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/agp_backend.h> #include <linux/log2.h> +#include <linux/slab.h> #include <asm/acpi-ext.h> diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index a3e10dc7cc2..d41331bc2aa 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -4,6 +4,7 @@ #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/pagemap.h> @@ -97,6 +98,9 @@ EXPORT_SYMBOL(intel_agp_enabled); #define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB) +#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) + #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ @@ -107,8 +111,7 @@ EXPORT_SYMBOL(intel_agp_enabled); agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) + IS_SNB) extern int agp_memory_reserved; @@ -175,6 +178,10 @@ extern int agp_memory_reserved; #define SNB_GMCH_GMS_STOLEN_448M (0xe << 3) #define SNB_GMCH_GMS_STOLEN_480M (0xf << 3) #define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3) +#define SNB_GTT_SIZE_0M (0 << 8) +#define SNB_GTT_SIZE_1M (1 << 8) +#define SNB_GTT_SIZE_2M (2 << 8) +#define SNB_GTT_SIZE_MASK (3 << 8) static const struct aper_size_info_fixed intel_i810_sizes[] = { @@ -1200,6 +1207,9 @@ static void intel_i9xx_setup_flush(void) if (intel_private.ifp_resource.start) return; + if (IS_SNB) + return; + /* setup a resource for this object */ intel_private.ifp_resource.name = "Intel Flush Page"; intel_private.ifp_resource.flags = IORESOURCE_MEM; @@ -1438,6 +1448,8 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) { + u16 snb_gmch_ctl; + switch (agp_bridge->dev->device) { case PCI_DEVICE_ID_INTEL_GM45_HB: case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB: @@ -1449,9 +1461,26 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB: case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB: case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB: + *gtt_offset = *gtt_size = MB(2); + break; case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB: case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB: - *gtt_offset = *gtt_size = MB(2); + *gtt_offset = MB(2); + + pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); + switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) { + default: + case SNB_GTT_SIZE_0M: + printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl); + *gtt_size = MB(0); + break; + case SNB_GTT_SIZE_1M: + *gtt_size = MB(1); + break; + case SNB_GTT_SIZE_2M: + *gtt_size = MB(2); + break; + } break; default: *gtt_offset = *gtt_size = KB(512); diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 7e36d2b4f9d..10f24e349a2 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -8,7 +8,6 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/agp_backend.h> -#include <linux/gfp.h> #include <linux/page-flags.h> #include <linux/mm.h> #include <linux/jiffies.h> diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c index 0d426ae39c8..ffa888cd1c8 100644 --- a/drivers/char/agp/sgi-agp.c +++ b/drivers/char/agp/sgi-agp.c @@ -14,6 +14,7 @@ #include <linux/acpi.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/agp_backend.h> #include <asm/sn/addrs.h> diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index d89da4ac061..6f48931ac1c 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -3,6 +3,7 @@ */ #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/pagemap.h> #include <linux/agp_backend.h> diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 6c32fbf0716..56b27671adc 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -2021,8 +2021,6 @@ static int __init rs_init(void) state->baud_base = amiga_colorclock; state->xmit_fifo_size = 1; - local_irq_save(flags); - /* set ISRs, and then disable the rx interrupts */ error = request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state); if (error) @@ -2033,6 +2031,8 @@ static int __init rs_init(void) if (error) goto fail_free_irq; + local_irq_save(flags); + /* turn off Rx and Tx interrupts */ custom.intena = IF_RBF | IF_TBE; mb(); diff --git a/drivers/char/bfin_jtag_comm.c b/drivers/char/bfin_jtag_comm.c index 2628c7415ea..e397df3ad98 100644 --- a/drivers/char/bfin_jtag_comm.c +++ b/drivers/char/bfin_jtag_comm.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/mutex.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index d8cff909001..555cd93c2ee 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/wait.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/miscdevice.h> diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c index c02db01f736..7fef305774d 100644 --- a/drivers/char/bsr.c +++ b/drivers/char/bsr.c @@ -27,6 +27,7 @@ #include <linux/cdev.h> #include <linux/list.h> #include <linux/mm.h> +#include <linux/slab.h> #include <asm/pgtable.h> #include <asm/io.h> diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index b861c08263a..9824b416290 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -79,6 +79,7 @@ #include <linux/bitops.h> #include <linux/firmware.h> #include <linux/device.h> +#include <linux/slab.h> #include <linux/io.h> #include <linux/uaccess.h> diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 85832ab924e..8a1b28a10ef 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -24,7 +24,6 @@ */ #include <linux/module.h> -#include <linux/slab.h> /* for kmalloc() and kfree() */ #include <linux/major.h> #include <linux/types.h> #include <linux/errno.h> diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 17b044a71e0..6f5ffe1320f 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -36,7 +36,6 @@ #include <linux/ctype.h> #include <linux/tty.h> #include <linux/tty_flip.h> -#include <linux/slab.h> #include <linux/smp_lock.h> #include <linux/ioport.h> #include <linux/interrupt.h> diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index d400cbd280f..5954ee1dc95 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -29,6 +29,7 @@ #include <linux/interrupt.h> #include <linux/tty_flip.h> #include <linux/delay.h> +#include <linux/gfp.h> #include <asm/uaccess.h> #define DEBUG diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 9c5eea3ea4d..9ded667625a 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -31,6 +31,7 @@ #include <linux/seq_file.h> #include <linux/bitops.h> #include <linux/clocksource.h> +#include <linux/slab.h> #include <asm/current.h> #include <asm/uaccess.h> diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index ba55bba151b..35cca4c7fb1 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -38,6 +38,7 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/freezer.h> +#include <linux/slab.h> #include <asm/uaccess.h> @@ -367,16 +368,12 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) hp = tty->driver_data; spin_lock_irqsave(&hp->lock, flags); - tty_kref_get(tty); if (--hp->count == 0) { /* We are done with the tty pointer now. */ hp->tty = NULL; spin_unlock_irqrestore(&hp->lock, flags); - /* Put the ref obtained in hvc_open() */ - tty_kref_put(tty); - if (hp->ops->notifier_del) hp->ops->notifier_del(hp, hp->data); diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c index 37b0542a4ee..5a80ad68ef2 100644 --- a/drivers/char/hvc_iucv.c +++ b/drivers/char/hvc_iucv.c @@ -12,6 +12,7 @@ #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/types.h> +#include <linux/slab.h> #include <asm/ebcdic.h> #include <linux/ctype.h> #include <linux/delay.h> diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 266b858b8f8..bedc6c1b6fa 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -74,6 +74,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/stat.h> #include <linux/tty.h> diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c index 91b53eb1c05..86fe45c1996 100644 --- a/drivers/char/hw_random/intel-rng.c +++ b/drivers/char/hw_random/intel-rng.c @@ -30,6 +30,7 @@ #include <linux/pci.h> #include <linux/stop_machine.h> #include <linux/delay.h> +#include <linux/slab.h> #include <asm/io.h> diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c index 54b0d9ba65c..9cd0feca318 100644 --- a/drivers/char/hw_random/octeon-rng.c +++ b/drivers/char/hw_random/octeon-rng.c @@ -15,6 +15,7 @@ #include <linux/device.h> #include <linux/hw_random.h> #include <linux/io.h> +#include <linux/gfp.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-rnm-defs.h> diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c index 544d9085a8e..0bc0cb70210 100644 --- a/drivers/char/hw_random/tx4939-rng.c +++ b/drivers/char/hw_random/tx4939-rng.c @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/hw_random.h> +#include <linux/gfp.h> #define TX4939_RNG_RCSR 0x00000000 #define TX4939_RNG_ROR(n) (0x00000018 + (n) * 8) diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index be2e8f9a27c..0fa2e4a0835 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -130,6 +130,7 @@ #include <linux/timer.h> #include <linux/delay.h> #include <linux/ioport.h> +#include <linux/slab.h> #include <linux/uaccess.h> #include <linux/io.h> diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c index 87c67b42bc0..83bef4efe37 100644 --- a/drivers/char/mbcs.c +++ b/drivers/char/mbcs.c @@ -26,6 +26,7 @@ #include <linux/uio.h> #include <linux/mutex.h> #include <linux/smp_lock.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/uaccess.h> #include <asm/system.h> diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 1f3215ac085..f54dab8acdc 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -225,6 +225,7 @@ int __weak phys_mem_access_prot_allowed(struct file *file, * outside of main memory. * */ +#ifdef pgprot_noncached static int uncached_access(struct file *file, unsigned long addr) { #if defined(CONFIG_IA64) @@ -251,6 +252,7 @@ static int uncached_access(struct file *file, unsigned long addr) return addr >= __pa(high_memory); #endif } +#endif static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot) @@ -710,11 +712,6 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) switch (orig) { case SEEK_CUR: offset += file->f_pos; - if ((unsigned long long)offset < - (unsigned long long)file->f_pos) { - ret = -EOVERFLOW; - break; - } case SEEK_SET: /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ if ((unsigned long long)offset >= ~0xFFFULL) { @@ -908,6 +905,9 @@ static int __init chr_dev_init(void) printk("unable to get major %d for memory devs\n", MEM_MAJOR); mem_class = class_create(THIS_MODULE, "mem"); + if (IS_ERR(mem_class)) + return PTR_ERR(mem_class); + mem_class->devnode = mem_devnode; for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) { if (!devlist[minor].name) diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 94a136e96c0..92ab03d2829 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -40,7 +40,6 @@ #include <linux/miscdevice.h> #include <linux/kernel.h> #include <linux/major.h> -#include <linux/slab.h> #include <linux/mutex.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> @@ -49,6 +48,7 @@ #include <linux/device.h> #include <linux/tty.h> #include <linux/kmod.h> +#include <linux/gfp.h> /* * Head entry for the doubly linked miscdevice list diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 04fd0d843b3..ea7c99fa978 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -33,6 +33,7 @@ #include <linux/time.h> #include <linux/math64.h> #include <linux/smp_lock.h> +#include <linux/slab.h> #include <asm/uaccess.h> #include <asm/sn/addrs.h> diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 166495d6a1d..107b0bd58d1 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -43,6 +43,7 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/bitops.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/io.h> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index e0c5d2a6904..47023053ee8 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -33,12 +33,12 @@ #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> -#include <linux/gfp.h> #include <linux/ioport.h> #include <linux/mm.h> #include <linux/delay.h> #include <linux/pci.h> #include <linux/bitops.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/io.h> @@ -1768,7 +1768,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, int len, lsr; len = mxser_chars_in_buffer(tty); - spin_lock(&info->slock); + spin_lock_irq(&info->slock); lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE; spin_unlock_irq(&info->slock); len += (lsr ? 0 : 1); @@ -1778,12 +1778,12 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, case MOXA_ASPP_MON: { int mcr, status; - spin_lock(&info->slock); + spin_lock_irq(&info->slock); status = mxser_get_msr(info->ioaddr, 1, tty->index); mxser_check_modem_status(tty, info, status); mcr = inb(info->ioaddr + UART_MCR); - spin_unlock(&info->slock); + spin_unlock_irq(&info->slock); if (mcr & MOXA_MUST_MCR_XON_FLAG) info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index a3f32a15fde..a6638003f53 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -55,6 +55,7 @@ #include <linux/init.h> #include <linux/kfifo.h> #include <linux/uaccess.h> +#include <linux/slab.h> #include <asm/byteorder.h> #include <linux/delay.h> diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 5eb83c3ca20..47e8f7b0e4c 100644 --- a/dr |