diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/Kconfig | 2 | ||||
-rw-r--r-- | drivers/char/agp/amd64-agp.c | 10 | ||||
-rw-r--r-- | drivers/char/agp/backend.c | 13 | ||||
-rw-r--r-- | drivers/char/agp/hp-agp.c | 6 | ||||
-rw-r--r-- | drivers/char/agp/intel-agp.c | 6 | ||||
-rw-r--r-- | drivers/char/hw_random/core.c | 5 | ||||
-rw-r--r-- | drivers/char/hw_random/virtio-rng.c | 6 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 4 | ||||
-rw-r--r-- | drivers/char/nozomi.c | 2 | ||||
-rw-r--r-- | drivers/char/nwflash.c | 1 | ||||
-rw-r--r-- | drivers/char/sonypi.c | 11 | ||||
-rw-r--r-- | drivers/char/toshiba.c | 12 | ||||
-rw-r--r-- | drivers/char/tty_io.c | 2 |
13 files changed, 48 insertions, 32 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 31be3ac2e21..e023682be2c 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -669,7 +669,7 @@ config VIRTIO_CONSOLE config HVCS tristate "IBM Hypervisor Virtual Console Server support" - depends on PPC_PSERIES + depends on PPC_PSERIES && HVC_CONSOLE help Partitionable IBM Power5 ppc64 machines allow hosting of firmware virtual consoles from one Linux partition by diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 2fb2e6cc322..1afb8968a34 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -728,6 +728,10 @@ int __init agp_amd64_init(void) if (agp_off) return -EINVAL; + + if (gart_iommu_aperture) + return agp_bridges_found ? 0 : -ENODEV; + err = pci_register_driver(&agp_amd64_pci_driver); if (err < 0) return err; @@ -766,17 +770,15 @@ int __init agp_amd64_init(void) static void __exit agp_amd64_cleanup(void) { + if (gart_iommu_aperture) + return; if (aperture_resource) release_resource(aperture_resource); pci_unregister_driver(&agp_amd64_pci_driver); } -/* On AMD64 the PCI driver needs to initialize this driver early - for the IOMMU, so it has to be called via a backdoor. */ -#ifndef CONFIG_GART_IOMMU module_init(agp_amd64_init); module_exit(agp_amd64_cleanup); -#endif MODULE_AUTHOR("Dave Jones <davej@redhat.com>, Andi Kleen"); module_param(agp_try_unsupported, bool, 0); diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index a56ca080e10..c3ab46da51a 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -285,18 +285,22 @@ int agp_add_bridge(struct agp_bridge_data *bridge) { int error; - if (agp_off) - return -ENODEV; + if (agp_off) { + error = -ENODEV; + goto err_put_bridge; + } if (!bridge->dev) { printk (KERN_DEBUG PFX "Erk, registering with no pci_dev!\n"); - return -EINVAL; + error = -EINVAL; + goto err_put_bridge; } /* Grab reference on the chipset driver. */ if (!try_module_get(bridge->driver->owner)) { dev_info(&bridge->dev->dev, "can't lock chipset driver\n"); - return -EINVAL; + error = -EINVAL; + goto err_put_bridge; } error = agp_backend_initialize(bridge); @@ -326,6 +330,7 @@ frontend_err: agp_backend_cleanup(bridge); err_out: module_put(bridge->driver->owner); +err_put_bridge: agp_put_bridge(bridge); return error; } diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 9047b271465..58752b70efe 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -488,9 +488,8 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret) handle = obj; do { status = acpi_get_object_info(handle, &info); - if (ACPI_SUCCESS(status)) { + if (ACPI_SUCCESS(status) && (info->valid & ACPI_VALID_HID)) { /* TBD check _CID also */ - info->hardware_id.string[sizeof(info->hardware_id.length)-1] = '\0'; match = (strcmp(info->hardware_id.string, "HWP0001") == 0); kfree(info); if (match) { @@ -509,6 +508,9 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret) handle = parent; } while (ACPI_SUCCESS(status)); + if (ACPI_FAILURE(status)) + return AE_OK; /* found no enclosing IOC */ + if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa)) return AE_OK; diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 30c36ac2cd0..3999a5f25f3 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -2460,10 +2460,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, &bridge->mode); } - if (bridge->driver->mask_memory == intel_i965_mask_memory) + if (bridge->driver->mask_memory == intel_i965_mask_memory) { if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36))) dev_err(&intel_private.pcidev->dev, "set gfx device dma mask 36bit failed!\n"); + else + pci_set_consistent_dma_mask(intel_private.pcidev, + DMA_BIT_MASK(36)); + } pci_set_drvdata(pdev, bridge); return agp_add_bridge(bridge); diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index e989f67bb61..3d9c61e5acb 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -158,10 +158,11 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf, goto out; } } -out_unlock: - mutex_unlock(&rng_mutex); out: return ret ? : err; +out_unlock: + mutex_unlock(&rng_mutex); + goto out; } diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index bdaef8e9402..64fe0a793ef 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -114,7 +114,7 @@ static struct virtio_device_id id_table[] = { { 0 }, }; -static struct virtio_driver virtio_rng = { +static struct virtio_driver virtio_rng_driver = { .driver.name = KBUILD_MODNAME, .driver.owner = THIS_MODULE, .id_table = id_table, @@ -124,12 +124,12 @@ static struct virtio_driver virtio_rng = { static int __init init(void) { - return register_virtio_driver(&virtio_rng); + return register_virtio_driver(&virtio_rng_driver); } static void __exit fini(void) { - unregister_virtio_driver(&virtio_rng); + unregister_virtio_driver(&virtio_rng_driver); } module_init(init); module_exit(fini); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 679cd08b80b..176f1751237 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -3204,7 +3204,7 @@ static __devinit int init_ipmi_si(void) #ifdef CONFIG_ACPI spmi_find_bmc(); #endif -#ifdef CONFIG_PNP +#ifdef CONFIG_ACPI pnp_register_driver(&ipmi_pnp_driver); #endif @@ -3330,7 +3330,7 @@ static __exit void cleanup_ipmi_si(void) #ifdef CONFIG_PCI pci_unregister_driver(&ipmi_pci_driver); #endif -#ifdef CONFIG_PNP +#ifdef CONFIG_ACPI pnp_unregister_driver(&ipmi_pnp_driver); #endif diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 7d73cd43034..2ad7d37afbd 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -1651,10 +1651,10 @@ static void ntty_close(struct tty_struct *tty, struct file *file) dc->open_ttys--; port->count--; - tty_port_tty_set(port, NULL); if (port->count == 0) { DBG1("close: %d", nport->token_dl); + tty_port_tty_set(port, NULL); spin_lock_irqsave(&dc->spin_mutex, flags); dc->last_ier &= ~(nport->token_dl); writew(dc->last_ier, dc->reg_ier); diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c index 8c7df5ba088..f80810901db 100644 --- a/drivers/char/nwflash.c +++ b/drivers/char/nwflash.c @@ -27,6 +27,7 @@ #include <linux/init.h> #include <linux/smp_lock.h> #include <linux/mutex.h> +#include <linux/jiffies.h> #include <asm/hardware/dec21285.h> #include <asm/io.h> diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 0798754a607..bba727c3807 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -50,7 +50,6 @@ #include <linux/err.h> #include <linux/kfifo.h> #include <linux/platform_device.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -905,14 +904,13 @@ static int sonypi_misc_release(struct inode *inode, struct file *file) static int sonypi_misc_open(struct inode *inode, struct file *file) { - lock_kernel(); mutex_lock(&sonypi_device.lock); /* Flush input queue on first open */ if (!sonypi_device.open_count) kfifo_reset(&sonypi_device.fifo); sonypi_device.open_count++; mutex_unlock(&sonypi_device.lock); - unlock_kernel(); + return 0; } @@ -955,10 +953,10 @@ static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) return 0; } -static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, +static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) { - int ret = 0; + long ret = 0; void __user *argp = (void __user *)arg; u8 val8; u16 val16; @@ -1074,7 +1072,8 @@ static const struct file_operations sonypi_misc_fops = { .open = sonypi_misc_open, .release = sonypi_misc_release, .fasync = sonypi_misc_fasync, - .ioctl = sonypi_misc_ioctl, + .unlocked_ioctl = sonypi_misc_ioctl, + .llseek = no_llseek, }; static struct miscdevice sonypi_misc_device = { diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c index 663cd15d7c7..f8bc79f6de3 100644 --- a/drivers/char/toshiba.c +++ b/drivers/char/toshiba.c @@ -68,7 +68,7 @@ #include <linux/stat.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> - +#include <linux/smp_lock.h> #include <linux/toshiba.h> #define TOSH_MINOR_DEV 181 @@ -88,13 +88,13 @@ static int tosh_date; static int tosh_sci; static int tosh_fan; -static int tosh_ioctl(struct inode *, struct file *, unsigned int, +static long tosh_ioctl(struct file *, unsigned int, unsigned long); static const struct file_operations tosh_fops = { .owner = THIS_MODULE, - .ioctl = tosh_ioctl, + .unlocked_ioctl = tosh_ioctl, }; static struct miscdevice tosh_device = { @@ -252,8 +252,7 @@ int tosh_smm(SMMRegisters *regs) EXPORT_SYMBOL(tosh_smm); -static int tosh_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, - unsigned long arg) +static long tosh_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) { SMMRegisters regs; SMMRegisters __user *argp = (SMMRegisters __user *)arg; @@ -275,13 +274,16 @@ static int tosh_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, return -EINVAL; /* do we need to emulate the fan ? */ + lock_kernel(); if (tosh_fan==1) { if (((ax==0xf300) || (ax==0xf400)) && (bx==0x0004)) { err = tosh_emulate_fan(®s); + unlock_kernel(); break; } } err = tosh_smm(®s); + unlock_kernel(); break; default: return -EINVAL; diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index f15df40bc31..c6f3b48be9d 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1951,8 +1951,8 @@ static int tty_fasync(int fd, struct file *filp, int on) pid = task_pid(current); type = PIDTYPE_PID; } - spin_unlock_irqrestore(&tty->ctrl_lock, flags); retval = __f_setown(filp, pid, type, 0); + spin_unlock_irqrestore(&tty->ctrl_lock, flags); if (retval) goto out; } else { |