Patch to compile bttv.c in 2.3.23

Kai Makisara (makisara@metla.fi)
Sun, 24 Oct 1999 13:01:24 +0300 (EET DST)

The following patch enables me to use bttv in 2.3.23 while waiting for
Alan Cox (or some other person) to fix the driver properly. The idea for
this patch comes from the changes in fs/proc/array.c for 2.3.23.

Kai
--------------------------8<--------------------------
--- linux-2.3/drivers/char/bttv.c.23 Sun Oct 24 10:29:45 1999
+++ linux-2.3/drivers/char/bttv.c Sun Oct 24 11:13:03 1999
@@ -34,7 +34,7 @@
#include <linux/signal.h>
#include <asm/io.h>
#include <linux/ioport.h>
-#include <asm/pgtable.h>
+#include <linux/pagemap.h>
#include <asm/page.h>
#include <linux/sched.h>
#include <asm/segment.h>
@@ -122,7 +122,7 @@
ptep = pte_offset(pmd, adr);
pte = *ptep;
if(pte_present(pte))
- ret = (pte_page(pte)|(adr&(PAGE_SIZE-1)));
+ ret = (kmap(pte_page(pte), KM_READ)|(adr&(PAGE_SIZE-1)));
}
}
MDEBUG(printk("uv2kva(%lx-->%lx)", adr, ret));

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