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From: Emmanuel Vadot <manu@FreeBSD.org>
Date: Sat, 17 Aug 2019 19:05:12 +0000 (UTC)
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Subject: svn commit: r351177 - head/sys/dev/fdt
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Author: manu
Date: Sat Aug 17 19:05:11 2019
New Revision: 351177
URL: https://svnweb.freebsd.org/changeset/base/351177

Log:
  Revert r351129
  
  the point of syscon node is to avoid multiple device driver reading/writing
  to the same area.
  
  Reported by:	ian

Modified:
  head/sys/dev/fdt/simple_mfd.c

Modified: head/sys/dev/fdt/simple_mfd.c
==============================================================================
--- head/sys/dev/fdt/simple_mfd.c	Sat Aug 17 18:54:07 2019	(r351176)
+++ head/sys/dev/fdt/simple_mfd.c	Sat Aug 17 19:05:11 2019	(r351177)
@@ -187,7 +187,7 @@ simple_mfd_attach(device_t dev)
 
 	if (ofw_bus_is_compatible(dev, "syscon")) {
 		sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
-		    RF_ACTIVE | RF_SHAREABLE);
+		    RF_ACTIVE);
 		if (sc->mem_res == NULL) {
 			device_printf(dev,
 			    "Cannot allocate memory resource\n");