git: 8d95af873f6b - main - ppc aim flush_disable_caches: Use void casts instead of a dummy variable.

[John Baldwin]

The branch main has been updated by jhb:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=8d95af873f6bbc112603684f5feaa188fe2f962a

commit 8d95af873f6bbc112603684f5feaa188fe2f962a
Author:     John Baldwin <j...@freebsd.org>
AuthorDate: 2022-04-12 21:58:58 +0000
Commit:     John Baldwin <j...@freebsd.org>
CommitDate: 2022-04-12 21:58:58 +0000

    ppc aim flush_disable_caches: Use void casts instead of a dummy variable.
---
 sys/powerpc/aim/aim_machdep.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/powerpc/aim/aim_machdep.c b/sys/powerpc/aim/aim_machdep.c
index c5f84675ebd3..7a42bc6b960e 100644
--- a/sys/powerpc/aim/aim_machdep.c
+++ b/sys/powerpc/aim/aim_machdep.c
@@ -649,7 +649,6 @@ flush_disable_caches(void)
        register_t msscr0;
        register_t cache_reg;
        volatile uint32_t *memp;
-       uint32_t temp;
        int i;
        int x;
 
@@ -682,7 +681,7 @@ flush_disable_caches(void)
         */
        memp = (volatile uint32_t *)0x00000000;
        for (i = 0; i < 128 * 1024; i++) {
-               temp = *memp;
+               (void)*memp;
                __asm__ __volatile__("dcbf 0,%0" :: "r"(memp));
                memp += 32/sizeof(*memp);
        }
@@ -693,7 +692,7 @@ flush_disable_caches(void)
        for (; x != 0xff;) {
                mtspr(SPR_LDSTCR, x);
                for (i = 0; i < 128; i++) {
-                       temp = *memp;
+                       (void)*memp;
                        __asm__ __volatile__("dcbf 0,%0" :: "r"(memp));
                        memp += 32/sizeof(*memp);
                }