diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2005-10-30 15:03:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-30 17:37:29 -0800 |
| commit | 3f992e1bb7eab7b7af2b9ea46d2b80b1fed84845 (patch) | |
| tree | 9e6ab94a66064227adfc8b13cc07ad33fdee2bb5 /drivers/char/hpet.c | |
| parent | 642d30bbc73512269de1524251ccc378d7782b85 (diff) | |
| download | linux-3f992e1bb7eab7b7af2b9ea46d2b80b1fed84845.tar.gz | |
[PATCH] hpet: remove superfluous register reads
This patch removes several reads of a timer's config register that serve no purpose whatsoever. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Acked-by: Bob Picco <bob.picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/hpet.c')
| -rw-r--r-- | drivers/char/hpet.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index bf2f5a51c687..e3c7c0096e17 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -367,7 +367,6 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp) if (!devp->hd_ireqfreq) return -EIO; - v = readq(&timer->hpet_config); spin_lock_irq(&hpet_lock); if (devp->hd_flags & HPET_IE) { @@ -378,7 +377,6 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp) devp->hd_flags |= HPET_IE; spin_unlock_irq(&hpet_lock); - t = readq(&timer->hpet_config); irq = devp->hd_hdwirq; if (irq) { @@ -855,11 +853,9 @@ int hpet_alloc(struct hpet_data *hdp) } for (i = 0, devp = hpetp->hp_dev; i < hpetp->hp_ntimer; i++, devp++) { - unsigned long v; struct hpet_timer __iomem *timer; timer = &hpet->hpet_timers[devp - hpetp->hp_dev]; - v = readq(&timer->hpet_config); devp->hd_hpets = hpetp; devp->hd_hpet = hpet; |