devicetree: Rename unused parameter to passthru

The actual use of the parameter max is to keep track of PCI bus
number while recursively scanning PCI bridges or PCI-e rootports.

Neither CPU, SMBus, LPC or other static buses are involved in this
enumeration, but the way bridge operations were originally designed
forced to pass this argument thru unrelated functions.

Follow-up removes these once the function prototype gets fixed.

Change-Id: Idbc9c515a362c571a1798bb36972058b309c2774
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8535
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>

9 files changed, 18 insertions, 18 deletions

diff --git a/src/northbridge/amd/agesa/family10/northbridge.c b/src/northbridge/amd/agesa/family10/northbridge.c
index 9f2555f78e..c9e4200518 100644
--- a/src/northbridge/amd/agesa/family10/northbridge.c
+++ b/src/northbridge/amd/agesa/family10/northbridge.c
@@ -1010,7 +1010,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1186,7 +1186,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index 355a4582fa..426ec74c1f 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -765,7 +765,7 @@ static void domain_enable_resources(device_t dev)
 
 /* Bus related code */
 
-static u32 cpu_bus_scan(struct device *dev, u32 max)
+static u32 cpu_bus_scan(struct device *dev, u32 passthru)
 {
 	struct bus *cpu_bus = dev->link_list;
 	device_t cpu;
@@ -784,7 +784,7 @@ static u32 cpu_bus_scan(struct device *dev, u32 max)
 		if (cpu)
 			amd_cpu_topology(cpu, 0, apic_id);
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/agesa/family15/northbridge.c b/src/northbridge/amd/agesa/family15/northbridge.c
index a4f78f1e8b..5a08f23dcd 100644
--- a/src/northbridge/amd/agesa/family15/northbridge.c
+++ b/src/northbridge/amd/agesa/family15/northbridge.c
@@ -1009,7 +1009,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1185,7 +1185,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/agesa/family15rl/northbridge.c b/src/northbridge/amd/agesa/family15rl/northbridge.c
index 1f11f1db80..d322fdcdbc 100644
--- a/src/northbridge/amd/agesa/family15rl/northbridge.c
+++ b/src/northbridge/amd/agesa/family15rl/northbridge.c
@@ -992,7 +992,7 @@ static void add_more_links(struct device *dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1166,7 +1166,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(struct device *dev)
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index c39ebd194d..08287dc8e2 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -991,7 +991,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1165,7 +1165,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index d1b06ec9e7..7c603c02c0 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -1008,7 +1008,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1182,7 +1182,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c
index 51e1e2d695..c0174de150 100644
--- a/src/northbridge/amd/amdk8/northbridge.c
+++ b/src/northbridge/amd/amdk8/northbridge.c
@@ -1180,7 +1180,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1319,7 +1319,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/pi/00630F01/northbridge.c b/src/northbridge/amd/pi/00630F01/northbridge.c
index 15892c6e32..e0fc11eec8 100644
--- a/src/northbridge/amd/pi/00630F01/northbridge.c
+++ b/src/northbridge/amd/pi/00630F01/northbridge.c
@@ -985,7 +985,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1176,7 +1176,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index c44c1894cf..71099d912f 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -1001,7 +1001,7 @@ static void add_more_links(device_t dev, unsigned total_links)
 	last->next = NULL;
 }
 
-static u32 cpu_bus_scan(device_t dev, u32 max)
+static u32 cpu_bus_scan(device_t dev, u32 passthru)
 {
 	struct bus *cpu_bus;
 	device_t dev_mc;
@@ -1187,7 +1187,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 				amd_cpu_topology(cpu, i, j);
 		} //j
 	}
-	return max;
+	return passthru;
 }
 
 static void cpu_bus_init(device_t dev)