[PATCH] ip2 warning fix

[pandora-kernel.git] / drivers / char / mspec.c

diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index 5c0dec3..235e892 100644 (file)
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -72,7 +72,11 @@ enum {
        MSPEC_UNCACHED
 };
 
+#ifdef CONFIG_SGI_SN
 static int is_sn2;
+#else
+#define is_sn2         0
+#endif
 
 /*
  * One of these structures is allocated when an mspec region is mmaped. The
@@ -211,7 +215,7 @@ mspec_nopfn(struct vm_area_struct *vma, unsigned long address)
        if (vdata->type == MSPEC_FETCHOP)
                paddr = TO_AMO(maddr);
        else
-               paddr = __pa(TO_CAC(maddr));
+               paddr = maddr & ~__IA64_UNCACHED_OFFSET;
 
        pfn = paddr >> PAGE_SHIFT;
 
@@ -335,6 +339,7 @@ mspec_init(void)
         * The fetchop device only works on SN2 hardware, uncached and cached
         * memory drivers should both be valid on all ia64 hardware
         */
+#ifdef CONFIG_SGI_SN
        if (ia64_platform_is("sn2")) {
                is_sn2 = 1;
                if (is_shub2()) {
@@ -363,6 +368,7 @@ mspec_init(void)
                        goto free_scratch_pages;
                }
        }
+#endif
        ret = misc_register(&cached_miscdev);
        if (ret) {
                printk(KERN_ERR "%s: failed to register device %i\n",