device/device.h: Rename busses for clarity

This renames bus to upstream and link_list to downstream.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I80a81b6b8606e450ff180add9439481ec28c2420
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78330
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

6 files changed, 9 insertions, 9 deletions

diff --git a/src/soc/intel/xeon_sp/chip_common.c b/src/soc/intel/xeon_sp/chip_common.c
index 845e968a62..144dba1665 100644
--- a/src/soc/intel/xeon_sp/chip_common.c
+++ b/src/soc/intel/xeon_sp/chip_common.c
@@ -78,7 +78,7 @@ void iio_pci_domain_scan_bus(struct device *dev)
 	bus->max_subordinate = sr->BusLimit;
 
 	printk(BIOS_SPEW, "Scanning IIO stack %d: busses %x-%x\n", dev->path.domain.domain,
-	       dev->link_list->secondary, dev->link_list->max_subordinate);
+	       dev->downstream->secondary, dev->downstream->max_subordinate);
 	pci_host_bridge_scan_bus(dev);
 }
 
@@ -116,14 +116,14 @@ void attach_iio_stacks(struct device *dev)
 
 			if (!is_pcie_iio_stack_res(ri)) {
 				if (CONFIG(HAVE_IOAT_DOMAINS))
-					soc_create_ioat_domains(dn, dev->bus, ri);
+					soc_create_ioat_domains(dn, dev->upstream, ri);
 				continue;
 			}
 
 			struct device_path path;
 			path.type = DEVICE_PATH_DOMAIN;
 			path.domain.domain = dn.domain_path;
-			struct device *iio_domain = alloc_dev(dev->bus, &path);
+			struct device *iio_domain = alloc_dev(dev->upstream, &path);
 			if (iio_domain == NULL)
 				die("%s: out of memory.\n", __func__);
 			iio_domain->ops = &iio_pcie_domain_ops;
diff --git a/src/soc/intel/xeon_sp/cpx/soc_acpi.c b/src/soc/intel/xeon_sp/cpx/soc_acpi.c
index 2c19ed1198..8b24ba2b52 100644
--- a/src/soc/intel/xeon_sp/cpx/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/cpx/soc_acpi.c
@@ -46,7 +46,7 @@ void uncore_fill_ssdt(const struct device *device)
 	struct iiostack_resource stack_info = {0};
 
 	/* Only add RTxx entries once. */
-	if (device->bus->secondary != 0 || device->bus->segment_group != 0)
+	if (device->upstream->secondary != 0 || device->upstream->segment_group != 0)
 		return;
 
 	get_iiostack_info(&stack_info);
diff --git a/src/soc/intel/xeon_sp/skx/soc_acpi.c b/src/soc/intel/xeon_sp/skx/soc_acpi.c
index dfbd878793..2e2b14a2cc 100644
--- a/src/soc/intel/xeon_sp/skx/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/skx/soc_acpi.c
@@ -59,7 +59,7 @@ void uncore_fill_ssdt(const struct device *device)
 	const IIO_UDS *hob = get_iio_uds();
 
 	/* Only add RTxx entries once. */
-	if (device->bus->secondary != 0)
+	if (device->upstream->secondary != 0)
 		return;
 
 	for (int socket = 0, iio = 0; iio < hob->PlatformData.numofIIO; ++socket) {
diff --git a/src/soc/intel/xeon_sp/spr/soc_acpi.c b/src/soc/intel/xeon_sp/spr/soc_acpi.c
index cb7fe1daf1..a48302cf2e 100644
--- a/src/soc/intel/xeon_sp/spr/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/spr/soc_acpi.c
@@ -341,7 +341,7 @@ void uncore_fill_ssdt(const struct device *device)
 	bool stack_enabled;
 
 	/* Only add RTxx entries once. */
-	if (device->bus->secondary != 0)
+	if (device->upstream->secondary != 0)
 		return;
 
 	/*
@@ -502,7 +502,7 @@ unsigned long xeonsp_acpi_create_madt_lapics(unsigned long current)
 
 	for (cpu = all_devices; cpu; cpu = cpu->next) {
 		if ((cpu->path.type != DEVICE_PATH_APIC)
-		    || (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) {
+		    || (cpu->upstream->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) {
 			continue;
 		}
 		if (!cpu->enabled)
diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c
index 1b232ea208..ddc6e8206f 100644
--- a/src/soc/intel/xeon_sp/uncore.c
+++ b/src/soc/intel/xeon_sp/uncore.c
@@ -192,7 +192,7 @@ static void mc_add_dram_resources(struct device *dev, int *res_count)
 	struct range_entry fsp_mem;
 
 	/* Only add dram resources once. */
-	if (dev->bus->secondary != 0 || dev->bus->segment_group != 0)
+	if (dev->upstream->secondary != 0 || dev->upstream->segment_group != 0)
 		return;
 
 	/* Read in the MAP registers and report their values. */
diff --git a/src/soc/intel/xeon_sp/uncore_acpi.c b/src/soc/intel/xeon_sp/uncore_acpi.c
index e2b47329ac..75b281bd8d 100644
--- a/src/soc/intel/xeon_sp/uncore_acpi.c
+++ b/src/soc/intel/xeon_sp/uncore_acpi.c
@@ -225,7 +225,7 @@ static unsigned long acpi_create_dmar_ds_pci_br_for_port(unsigned long current,
 							 uint32_t pcie_seg,
 							 bool is_atsr, bool *first)
 {
-	const uint32_t bus = bridge_dev->bus->secondary;
+	const uint32_t bus = bridge_dev->upstream->secondary;
 	const uint32_t dev = PCI_SLOT(bridge_dev->path.pci.devfn);
 	const uint32_t func = PCI_FUNC(bridge_dev->path.pci.devfn);