Author: pfg
Date: Tue Apr 26 14:44:49 2016
New Revision: 298642
URL: https://svnweb.freebsd.org/changeset/base/298642
Log:
sys/powerpc: make use of the howmany() macro when available.
We have a howmany() macro in the <sys/param.h> header that is
convenient to re-use as it makes things easier to read.
Modified:
head/sys/powerpc/booke/pmap.c
head/sys/powerpc/mpc85xx/fsl_sdhc.c
head/sys/powerpc/powerpc/clock.c
Modified: head/sys/powerpc/booke/pmap.c
==============================================================================
--- head/sys/powerpc/booke/pmap.c Tue Apr 26 14:38:18 2016
(r298641)
+++ head/sys/powerpc/booke/pmap.c Tue Apr 26 14:44:49 2016
(r298642)
@@ -1115,8 +1115,8 @@ mmu_booke_bootstrap(mmu_t mmu, vm_offset
/* Allocate PTE tables for kernel KVA. */
kernel_pdir = data_end;
- kernel_ptbls = (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS +
- PDIR_SIZE - 1) / PDIR_SIZE;
+ kernel_ptbls = howmany(VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS,
+ PDIR_SIZE);
data_end += kernel_ptbls * PTBL_PAGES * PAGE_SIZE;
debugf(" kernel ptbls: %d\n", kernel_ptbls);
debugf(" kernel pdir at 0x%08x end = 0x%08x\n", kernel_pdir, data_end);
Modified: head/sys/powerpc/mpc85xx/fsl_sdhc.c
==============================================================================
--- head/sys/powerpc/mpc85xx/fsl_sdhc.c Tue Apr 26 14:38:18 2016
(r298641)
+++ head/sys/powerpc/mpc85xx/fsl_sdhc.c Tue Apr 26 14:44:49 2016
(r298642)
@@ -271,7 +271,7 @@ set_clock(struct fsl_sdhc_softc *sc, uin
* divisor = ceil(base_clock / clock)
* TODO: Reconsider symmetric rounding here instead of ceiling.
*/
- divisor = (base_clock + clock - 1) / clock;
+ divisor = howmany(base_clock, clock);
while (divisor > 16) {
round = divisor & 0x1;
Modified: head/sys/powerpc/powerpc/clock.c
==============================================================================
--- head/sys/powerpc/powerpc/clock.c Tue Apr 26 14:38:18 2016
(r298641)
+++ head/sys/powerpc/powerpc/clock.c Tue Apr 26 14:44:49 2016
(r298642)
@@ -301,7 +301,7 @@ DELAY(int n)
u_quad_t tb, ttb;
tb = mftb();
- ttb = tb + (n * 1000 + ns_per_tick - 1) / ns_per_tick;
+ ttb = tb + howmany(n * 1000, ns_per_tick);
while (tb < ttb)
tb = mftb();
}
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