X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fdrivers%2Fxterm_kern.c;h=a4ce7058e10e7c360fd0f72f049d6183530dc4eb;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=afce46fa64d3b7e58134ad658396c695c80437b5;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c index afce46fa6..a4ce7058e 100644 --- a/arch/um/drivers/xterm_kern.c +++ b/arch/um/drivers/xterm_kern.c @@ -7,7 +7,6 @@ #include "linux/slab.h" #include "linux/signal.h" #include "linux/interrupt.h" -#include "asm/semaphore.h" #include "asm/irq.h" #include "irq_user.h" #include "irq_kern.h" @@ -16,13 +15,13 @@ #include "xterm.h" struct xterm_wait { - struct semaphore sem; + struct completion ready; int fd; int pid; int new_fd; }; -static irqreturn_t xterm_interrupt(int irq, void *data, struct pt_regs *regs) +static irqreturn_t xterm_interrupt(int irq, void *data) { struct xterm_wait *xterm = data; int fd; @@ -32,7 +31,7 @@ static irqreturn_t xterm_interrupt(int irq, void *data, struct pt_regs *regs) return(IRQ_NONE); xterm->new_fd = fd; - up(&xterm->sem); + complete(&xterm->ready); return(IRQ_HANDLED); } @@ -49,13 +48,13 @@ int xterm_fd(int socket, int *pid_out) /* This is a locked semaphore... */ *data = ((struct xterm_wait) - { .sem = __SEMAPHORE_INITIALIZER(data->sem, 0), - .fd = socket, + { .fd = socket, .pid = -1, .new_fd = -1 }); + init_completion(&data->ready); err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, - SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM, + IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "xterm", data); if (err){ printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, " @@ -68,9 +67,8 @@ int xterm_fd(int socket, int *pid_out) * * XXX Note, if the xterm doesn't work for some reason (eg. DISPLAY * isn't set) this will hang... */ - down(&data->sem); + wait_for_completion(&data->ready); - free_irq_by_irq_and_dev(XTERM_IRQ, data); free_irq(XTERM_IRQ, data); ret = data->new_fd;