OMAP clockdomain/powerdomain: optimize out sleepdep code on OMAP24xx

OMAP24xx chips don't support software-configurable sleep dependencies.
Test early for this so the compiler can redact the entire function body
on OMAP24xx.

Signed-off-by: Paul Walmsley <paul@pwsan.com>

diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 9708f12bb8a00b2bfc88278e961ed645d96ffa05..41472670e4b4f461c4aa72861012eb61e811dfac 100644 (file)
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -571,10 +571,10 @@ int pwrdm_add_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2)
 {
        struct powerdomain *p;
 
-       if (!pwrdm1)
+       if (!cpu_is_omap34xx())
                return -EINVAL;
 
-       if (!cpu_is_omap34xx())
+       if (!pwrdm1)
                return -EINVAL;
 
        p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->sleepdep_srcs);
@@ -610,10 +610,10 @@ int pwrdm_del_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2)
 {
        struct powerdomain *p;
 
-       if (!pwrdm1)
+       if (!cpu_is_omap34xx())
                return -EINVAL;
 
-       if (!cpu_is_omap34xx())
+       if (!pwrdm1)
                return -EINVAL;
 
        p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->sleepdep_srcs);
@@ -653,10 +653,10 @@ int pwrdm_read_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2)
 {
        struct powerdomain *p;
 
-       if (!pwrdm1)
+       if (!cpu_is_omap34xx())
                return -EINVAL;
 
-       if (!cpu_is_omap34xx())
+       if (!pwrdm1)
                return -EINVAL;
 
        p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->sleepdep_srcs);