[PATCH] 2.4.7-pre8 scc.c vector latch region allocation

[PATCH] 2.4.7-pre8 scc.c vector latch region allocation

[Rob Turk]

> This patch fixes a failure in the scc.c driver to properly allocate the
I/O
> region for the interrupt vector latch, which is present on some ham radio
> SCC cards, such as the PA0HZP card.
>
> Rob Turk - PE1KOX
>

After receiving a few hints that uu-encoded messages are 'not done', here's
the same patch in text format. Sorry for any confusion.

Rob


--- linux.org/drivers/net/hamradio/scc.c Thu Jul 19 22:48:06 2001
+++ linux/drivers/net/hamradio/scc.c Thu Jul 19 20:55:58 2001
@@ -1775,8 +1775,8 @@
      Ivec[hwcfg.irq].used = 1;
    }

-   if (hwcfg.vector_latch) {
-    if (!request_region(Vector_Latch, 1, "scc vector latch"))
+   if (hwcfg.vector_latch && !Vector_Latch) {
+    if (!request_region(hwcfg.vector_latch, 1, "scc vector latch"))
      printk(KERN_WARNING "z8530drv: warning, cannot reserve vector latch
port 0x%lx\n, disabled.", hwcfg.vector_latch);
     else
      Vector_Latch = hwcfg.vector_latch;