Author: imp
Date: Thu Feb 21 00:26:31 2013
New Revision: 247065
URL: http://svnweb.freebsd.org/changeset/base/247065
Log:
No longer need splhigh() since locking was done, delete it and
comments about it.
Modified:
head/sys/dev/ppc/ppc_isa.c
Modified: head/sys/dev/ppc/ppc_isa.c
==============================================================================
--- head/sys/dev/ppc/ppc_isa.c Thu Feb 21 00:25:45 2013 (r247064)
+++ head/sys/dev/ppc/ppc_isa.c Thu Feb 21 00:26:31 2013 (r247065)
@@ -141,7 +141,7 @@ ppc_isa_write(device_t dev, char *buf, i
{
struct ppc_data *ppc = device_get_softc(dev);
char ecr, ecr_sav, ctr, ctr_sav;
- int s, error = 0;
+ int error = 0;
int spin;
PPC_ASSERT_LOCKED(ppc);
@@ -190,12 +190,6 @@ ppc_isa_write(device_t dev, char *buf, i
w_ecr(ppc, ecr);
ecr = r_ecr(ppc);
- /* enter splhigh() not to be preempted
- * by the dma interrupt, we may miss
- * the wakeup otherwise
- */
- s = splhigh();
-
ppc->ppc_dmastat = PPC_DMA_INIT;
/* enable interrupts */
@@ -221,8 +215,6 @@ ppc_isa_write(device_t dev, char *buf, i
"ppcdma", 0);
} while (error == EWOULDBLOCK);
- splx(s);
-
if (error) {
#ifdef PPC_DEBUG
printf("i");
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