From: Lucas Stach <dev@lynxeye.de>
To: barebox@lists.infradead.org
Subject: [PATCH 07/15] commands: lspci: go down into subordinate busses
Date: Thu, 25 Sep 2014 19:05:01 +0200 [thread overview]
Message-ID: <1411664709-13699-8-git-send-email-dev@lynxeye.de> (raw)
In-Reply-To: <1411664709-13699-1-git-send-email-dev@lynxeye.de>
This way we also list devices that are behind
bridges.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
---
commands/lspci.c | 25 ++++++++++++++++---------
1 file changed, 16 insertions(+), 9 deletions(-)
diff --git a/commands/lspci.c b/commands/lspci.c
index fdf0269..27edd5d 100644
--- a/commands/lspci.c
+++ b/commands/lspci.c
@@ -20,10 +20,24 @@
#include <complete.h>
#include <linux/pci.h>
+static void traverse_bus(struct pci_bus *bus)
+{
+ struct pci_dev *dev;
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ printf("%02x:%02x.%1x %04x: %04x:%04x (rev %02x)\n",
+ dev->bus->number, PCI_SLOT(dev->devfn),
+ PCI_FUNC(dev->devfn), (dev->class >> 8) & 0xffff,
+ dev->vendor, dev->device, dev->revision);
+
+ if (dev->subordinate)
+ traverse_bus(dev->subordinate);
+ }
+}
+
static int do_lspci(int argc, char *argv[])
{
struct pci_bus *root_bus;
- struct pci_dev *dev;
if (list_empty(&pci_root_buses)) {
printf("No PCI bus detected\n");
@@ -31,14 +45,7 @@ static int do_lspci(int argc, char *argv[])
}
list_for_each_entry(root_bus, &pci_root_buses, node) {
- list_for_each_entry(dev, &root_bus->devices, bus_list) {
- printf("%02x: %04x: %04x:%04x (rev %02x)\n",
- dev->devfn,
- (dev->class >> 8) & 0xffff,
- dev->vendor,
- dev->device,
- dev->revision);
- }
+ traverse_bus(root_bus);
}
return 0;
--
1.9.3
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next prev parent reply other threads:[~2014-09-25 17:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-25 17:04 [PATCH 00/15] PCI bridges and Tegra PCI stuff Lucas Stach
2014-09-25 17:04 ` [PATCH 01/15] pci: split out device init Lucas Stach
2014-09-25 17:04 ` [PATCH 02/15] pci: add resource enum Lucas Stach
2014-09-25 17:04 ` [PATCH 03/15] pci: properly populate prefetchable BARs Lucas Stach
2014-09-25 17:04 ` [PATCH 04/15] pci: setup bridges and traverse buses behind them Lucas Stach
2014-09-25 17:04 ` [PATCH 05/15] pci: prettyprint device names Lucas Stach
2014-09-25 17:05 ` [PATCH 06/15] pci: track parent<->child relationship Lucas Stach
2014-09-25 17:05 ` Lucas Stach [this message]
2014-09-25 17:05 ` [PATCH 08/15] clk: tegra: add PLLE setup functions Lucas Stach
2014-09-25 17:05 ` [PATCH 09/15] clk: tegra30: add PCIe clocks Lucas Stach
2014-09-25 17:05 ` [PATCH 10/15] i2c: tegra: move to fs initcall Lucas Stach
2014-09-25 17:05 ` [PATCH 11/15] ARM: tegra: beaver: enable PEX voltage rail Lucas Stach
2014-09-25 17:05 ` [PATCH 12/15] tegra: pmc: add powerdomain handling Lucas Stach
2014-09-25 17:05 ` [PATCH 13/15] of: import pci range parser from linux Lucas Stach
2014-09-25 17:05 ` [PATCH 14/15] pci: add Tegra host controller driver Lucas Stach
2014-09-25 17:05 ` [PATCH 15/15] ARM: tegra: advertise PCI support Lucas Stach
2014-09-25 19:02 ` [PATCH 00/15] PCI bridges and Tegra PCI stuff Antony Pavlov
2014-09-25 20:46 ` Lucas Stach
2014-10-01 6:17 ` Sascha Hauer
2014-10-01 7:19 ` Antony Pavlov
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