[PATCH -mm 3/6] cpu_relax(): floppy.c wait_til_ready()

[Andreas Mohr]

Add cpu_relax() to drivers/block/floppy.c/wait_til_ready()


Should be very useful, methinks.

Tested on 2.6.17-mm1 (load-time only, no floppy media here right now ;).

Signed-off-by: Andreas Mohr <andi@xxxxxxxx>


diff -urN linux-2.6.17-mm1.orig/drivers/block/floppy.c linux-2.6.17-mm1.my/drivers/block/floppy.c
--- linux-2.6.17-mm1.orig/drivers/block/floppy.c	2006-06-21 14:28:16.000000000 +0200
+++ linux-2.6.17-mm1.my/drivers/block/floppy.c	2006-06-21 18:50:37.000000000 +0200
@@ -1155,6 +1155,7 @@
 		status = fd_inb(FD_STATUS);
 		if (status & STATUS_READY)
 			return status;
+		cpu_relax();
 	}
 	if (!initialising) {
 		DPRINT("Getstatus times out (%x) on fdc %d\n", status, fdc);
-
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