commit 4e084796886259133d9226c40822e44599a41302
author Furquan Shaikh <furquan@chromium.org> Mon Feb 13 13:22:19 2017 -0800
committer Furquan Shaikh <furquan@google.com> Thu Feb 16 08:41:52 2017 +0100
tree eaaf473b6c526b31c0ff4a0019b46a5523f4f973
parent 7606c377f56ab68421aa482b1ded6840d426e197

device: Add scan_generic_bus support

scan_smbus routine does not perform any smbus specific operation. Thus,
rename the routine to scan_generic_bus so that it can be used by other
buses like SPI. Add a wrapper scan_smbus to allow other users of smbus
scan to continue working as before.

BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully

Change-Id: I8ca1a2b7f2906d186ec39e9223ce18b8a1f27196
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/18363
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/device/root_device.c

diff --git a/src/device/root_device.c b/src/device/root_device.c
index ed1f7d7..9b3fd49 100644
--- a/src/device/root_device.c
+++ b/src/device/root_device.c
@@ -72,17 +72,17 @@
 	printk(BIOS_SPEW, "%s for %s done\n", __func__, dev_path(bus));
 }
 
-void scan_smbus(device_t bus)
+void scan_generic_bus(device_t bus)
 {
 	device_t child;
 	struct bus *link;
-	static int smbus_max = 0;
+	static int bus_max = 0;
 
 	printk(BIOS_SPEW, "%s for %s\n", __func__, dev_path(bus));
 
 	for (link = bus->link_list; link; link = link->next) {
 
-		link->secondary = ++smbus_max;
+		link->secondary = ++bus_max;
 
 		for (child = link->children; child; child = child->sibling) {
 
@@ -92,7 +92,7 @@
 			if (child->ops && child->ops->enable)
 				child->ops->enable(child);
 
-			printk(BIOS_DEBUG, "smbus: %s[%d]->", dev_path(child->bus->dev),
+			printk(BIOS_DEBUG, "bus: %s[%d]->", dev_path(child->bus->dev),
 			       child->bus->link_num);
 
 			printk(BIOS_DEBUG, "%s %s\n", dev_path(child),
@@ -103,6 +103,11 @@
 	printk(BIOS_SPEW, "%s for %s done\n", __func__, dev_path(bus));
 }
 
+void scan_smbus(device_t bus)
+{
+	scan_generic_bus(bus);
+}
+
 /**
  * Scan root bus for generic systems.
  *

src/include/device/device.h

diff --git a/src/include/device/device.h b/src/include/device/device.h
index e21384b..284c039 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -241,6 +241,7 @@
 void mmconf_resource(struct device *dev, unsigned long index);
 
 void scan_smbus(device_t bus);
+void scan_generic_bus(device_t bus);
 void scan_static_bus(device_t bus);
 void scan_lpc_bus(device_t bus);