[PARISC] Fix GSC graphics cards with 64MB regions

Make knapps work with its 64MB gfx card.  I probably just broke another
machine in the process, but assuming 64MB when 64MB aligned is probably
safer than assuming 32MB all the time.

Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 041524d24ef1..1eaa0d37f677 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -515,8 +515,13 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
                         (iodc_data[5] << 8) | iodc_data[6];
         dev->hpa.name = parisc_pathname(dev);
         dev->hpa.start = hpa;
-        if (hpa == 0xf4000000 || hpa == 0xf6000000 ||
-            hpa == 0xf8000000 || hpa == 0xfa000000) {
+        /* This is awkward.  The STI spec says that gfx devices may occupy
+         * 32MB or 64MB.  Unfortunately, we don't know how to tell whether
+         * it's the former or the latter.  Assumptions either way can hurt us.
+         */
+        if (hpa == 0xf4000000 || hpa == 0xf8000000) {
+                dev->hpa.end = hpa + 0x03ffffff;
+        } else if (hpa == 0xf6000000 || hpa == 0xfa000000) {
                 dev->hpa.end = hpa + 0x01ffffff;
         } else {
                 dev->hpa.end = hpa + 0xfff;
@@ -834,7 +839,7 @@ static void print_parisc_device(struct parisc_device *dev)
 
         if (dev->num_addrs) {
                 int k;
-                printk(",  additional addresses: ");
+                printk(", additional addresses: ");
                 for (k = 0; k < dev->num_addrs; k++)
                         printk("0x%lx ", dev->addr[k]);
         }