diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 19:01:43 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 19:01:43 -0400 |
| commit | da61396d24e37258817e42537c482e962b4742f7 (patch) | |
| tree | 4293a5d557b8f9fed8a2bac93f1e5c939c7b65c3 /drivers/char | |
| parent | 2f058256cb64e346f4fb4499ff4e0f1c2791a4b4 (diff) | |
| parent | 8f3d17fb7bcb7c255197d11469fb5e9695c9d2f4 (diff) | |
Merge upstream kernel into libata 'passthru' branch
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/char/mem.c | 12 | ||||
| -rw-r--r-- | drivers/char/vt.c | 2 |
3 files changed, 13 insertions, 9 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 4f27e551929..7333b41d422 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -80,7 +80,7 @@ config SERIAL_NONSTANDARD config COMPUTONE tristate "Computone IntelliPort Plus serial support" - depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP + depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP && (BROKEN || !SPARC32) ---help--- This driver supports the entire family of Intelliport II/Plus controllers with the exception of the MicroChannel controllers and @@ -138,7 +138,7 @@ config CYZ_INTR config DIGIEPCA tristate "Digiboard Intelligent Async Support" - depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP + depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP && (!64BIT || BROKEN) ---help--- This is a driver for Digi International's Xx, Xeve, and Xem series of cards which provide multiple serial ports. You would need @@ -208,7 +208,7 @@ config SYNCLINK config SYNCLINKMP tristate "SyncLink Multiport support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (BROKEN || !SPARC32) help Enable support for the SyncLink Multiport (2 or 4 ports) serial adapter, running asynchronous and HDLC communications up @@ -735,7 +735,7 @@ config SGI_IP27_RTC config GEN_RTC tristate "Generic /dev/rtc emulation" - depends on RTC!=y && !IA64 && !ARM && !PPC64 + depends on RTC!=y && !IA64 && !ARM && !PPC64 && !M32R && !SPARC32 ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 42187381506..850a78c9c4b 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -261,7 +261,11 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma) static int mmap_kmem(struct file * file, struct vm_area_struct * vma) { - unsigned long long val; + unsigned long pfn; + + /* Turn a kernel-virtual address into a physical page frame */ + pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT; + /* * RED-PEN: on some architectures there is more mapped memory * than available in mem_map which pfn_valid checks @@ -269,10 +273,10 @@ static int mmap_kmem(struct file * file, struct vm_area_struct * vma) * * RED-PEN: vmalloc is not supported right now. */ - if (!pfn_valid(vma->vm_pgoff)) + if (!pfn_valid(pfn)) return -EIO; - val = (u64)vma->vm_pgoff << PAGE_SHIFT; - vma->vm_pgoff = __pa(val) >> PAGE_SHIFT; + + vma->vm_pgoff = pfn; return mmap_mem(file, vma); } diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 30d96739fb2..665103ccaee 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2433,7 +2433,7 @@ static int con_open(struct tty_struct *tty, struct file *filp) int ret = 0; acquire_console_sem(); - if (tty->count == 1) { + if (tty->driver_data == NULL) { ret = vc_allocate(currcons); if (ret == 0) { struct vc_data *vc = vc_cons[currcons].d; |