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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-22 19:48:03 (GMT) |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-22 19:48:03 (GMT) |
commit | 14d1adfc59ba66932ef167fdff62983e7c2b0197 (patch) | |
tree | 34bad21bf4ec220be87fa5d79ff41dd98e7dad9f /drivers/char/hvc_console.c | |
parent | e478bec0ba0a83a48a0f6982934b6de079e7e6b3 (diff) | |
parent | 69917c26c840e7de94522bf90fb190de63bf92bd (diff) | |
download | linux-fsl-qoriq-14d1adfc59ba66932ef167fdff62983e7c2b0197.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (114 commits)
[POWERPC] Fix ohare IDE irq workaround on old powermacs
[POWERPC] EEH: Power4 systems sometimes need multiple resets.
[POWERPC] Include <asm/mmu.h> in arch/powerpc/sysdev/fsl_soc.h for phys_addr_t.
[POWERPC] Demacrofy arch/powerpc/platforms/maple/pci.c
[POWERPC] Maple U3 HT - reject inappropriate config space access
[POWERPC] Fix IPIC pending register assignments
[POWERPC] powerpc: fix building gdb against asm/ptrace.h
[POWERPC] Remove DISCONTIGMEM cruft from page.h
[POWERPC] Merge iSeries i/o operations with the rest
[POWERPC] 40x: Fix debug status register defines
[POWERPC] Fix compile error in sbc8560
[POWERPC] EEH: support MMIO enable recovery step
[POWERPC] EEH: enable MMIO/DMA on frozen slot
[POWERPC] EEH: code comment cleanup
[POWERPC] EEH: balance pcidev_get/put calls
[POWERPC] PPC: Fix xmon stack frame address in backtrace
[POWERPC] Add AT_PLATFORM value for Xilinx Virtex-4 FX
[POWERPC] Start arch/powerpc/boot code reorganization
[POWERPC] Define of_read_ulong helper
[POWERPC] iseries: eliminate a couple of warnings
...
Diffstat (limited to 'drivers/char/hvc_console.c')
-rw-r--r-- | drivers/char/hvc_console.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 613d67f..a76d2c4 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -80,7 +80,8 @@ struct hvc_struct { struct tty_struct *tty; unsigned int count; int do_wakeup; - char outbuf[N_OUTBUF] __ALIGNED__; + char *outbuf; + int outbuf_size; int n_outbuf; uint32_t vtermno; struct hv_ops *ops; @@ -319,10 +320,8 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) struct kobject *kobjp; /* Auto increments kobject reference if found. */ - if (!(hp = hvc_get_by_index(tty->index))) { - printk(KERN_WARNING "hvc_console: tty open failed, no vty associated with tty.\n"); + if (!(hp = hvc_get_by_index(tty->index))) return -ENODEV; - } spin_lock_irqsave(&hp->lock, flags); /* Check and then increment for fast path open. */ @@ -505,7 +504,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count if (hp->n_outbuf > 0) hvc_push(hp); - while (count > 0 && (rsize = N_OUTBUF - hp->n_outbuf) > 0) { + while (count > 0 && (rsize = hp->outbuf_size - hp->n_outbuf) > 0) { if (rsize > count) rsize = count; memcpy(hp->outbuf + hp->n_outbuf, buf, rsize); @@ -538,7 +537,7 @@ static int hvc_write_room(struct tty_struct *tty) if (!hp) return -1; - return N_OUTBUF - hp->n_outbuf; + return hp->outbuf_size - hp->n_outbuf; } static int hvc_chars_in_buffer(struct tty_struct *tty) @@ -729,12 +728,13 @@ static struct kobj_type hvc_kobj_type = { }; struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq, - struct hv_ops *ops) + struct hv_ops *ops, int outbuf_size) { struct hvc_struct *hp; int i; - hp = kmalloc(sizeof(*hp), GFP_KERNEL); + hp = kmalloc(ALIGN(sizeof(*hp), sizeof(long)) + outbuf_size, + GFP_KERNEL); if (!hp) return ERR_PTR(-ENOMEM); @@ -743,6 +743,8 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq, hp->vtermno = vtermno; hp->irq = irq; hp->ops = ops; + hp->outbuf_size = outbuf_size; + hp->outbuf = &((char *)hp)[ALIGN(sizeof(*hp), sizeof(long))]; kobject_init(&hp->kobj); hp->kobj.ktype = &hvc_kobj_type; |