xen/arm: Replace ioremap_attr(PAGE_HYPERVISOR_NOCACHE) call by ioremap_nocache

ioremap_cache is a wrapper of ioremap_attr(...).

Signed-off-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>

xen/arch/arm/platforms/exynos5.c

@@ -62,7 +62,7 @@ static int exynos5_init_time(void)
     dprintk(XENLOG_INFO, "mct_base_addr: %016llx size: %016llx\n",
             mct_base_addr, size);
 
-    mct = ioremap_attr(mct_base_addr, size, PAGE_HYPERVISOR_NOCACHE);
+    mct = ioremap_nocache(mct_base_addr, size);
     if ( !mct )
     {
         dprintk(XENLOG_ERR, "Unable to map MCT\n");

xen/arch/arm/platforms/omap5.c

@@ -51,8 +51,7 @@ static int omap5_init_time(void)
     unsigned int sys_clksel;
     unsigned int num, den, frac1, frac2;
 
-    ckgen_prm_base = ioremap_attr(OMAP5_CKGEN_PRM_BASE,
-                                  0x20, PAGE_HYPERVISOR_NOCACHE);
+    ckgen_prm_base = ioremap_nocache(OMAP5_CKGEN_PRM_BASE, 0x20);
     if ( !ckgen_prm_base )
     {
         dprintk(XENLOG_ERR, "%s: PRM_BASE ioremap failed\n", __func__);
@@ -64,8 +63,7 @@ static int omap5_init_time(void)
 
     iounmap(ckgen_prm_base);
 
-    rt_ct_base = ioremap_attr(REALTIME_COUNTER_BASE,
-                              0x20, PAGE_HYPERVISOR_NOCACHE);
+    rt_ct_base = ioremap_nocache(REALTIME_COUNTER_BASE, 0x20);
     if ( !rt_ct_base )
     {
         dprintk(XENLOG_ERR, "%s: REALTIME_COUNTER_BASE ioremap failed\n", __func__);