This patch removes several reads of a timer's config register that
serve no purpose whatsoever.
Signed-off-by: Clemens Ladisch <[email protected]>
Index: linux-2.6.13/drivers/char/hpet.c
===================================================================
--- linux-2.6.13.orig/drivers/char/hpet.c 2005-09-27 21:42:12.000000000 +0200
+++ linux-2.6.13/drivers/char/hpet.c 2005-09-27 21:44:11.000000000 +0200
@@ -367,7 +367,6 @@ static int hpet_ioctl_ieon(struct hpet_d
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_d
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;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
| |
 |