All of lore.kernel.org
 help / color / mirror / Atom feed
From: Yijing Wang <wangyijing@huawei.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: <linux-pci@vger.kernel.org>, <dja@axtens.net>,
	Arnd Bergmann <arnd@arndb.de>,
	<linux-arm-kernel@lists.infradead.org>,
	Yijing Wang <wangyijing@huawei.com>, Ray Jui <rjui@broadcom.com>
Subject: [PATCH Part1 v11 5/5] PCI: iproc: Use pci_scan_root_bus() instead of pci_create_root_bus()
Date: Tue, 28 Apr 2015 15:01:39 +0800	[thread overview]
Message-ID: <1430204499-19571-6-git-send-email-wangyijing@huawei.com> (raw)
In-Reply-To: <1430204499-19571-1-git-send-email-wangyijing@huawei.com>

Pci_bus_add_devices() was ripped out of pci_scan_root_bus().
Now pci_scan_root_bus() == pci_create_root_bus() +
pci_scan_child_bus() if busn resource is supplied.
iproc added the busn resource to resources list
in of_pci_get_host_bridge_resources(). So it should be safe
to use pci_scan_root_bus() instead.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
CC: Ray Jui <rjui@broadcom.com>
---
 drivers/pci/host/pcie-iproc.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index 329e1b5..9622ebf 100644
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -210,10 +210,10 @@ int iproc_pcie_setup(struct iproc_pcie *pcie)
 
 	pcie->sysdata.private_data = pcie;
 
-	bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops,
+	bus = pci_scan_root_bus(pcie->dev, 0, &iproc_pcie_ops,
 				  &pcie->sysdata, pcie->resources);
 	if (!bus) {
-		dev_err(pcie->dev, "unable to create PCI root bus\n");
+		dev_err(pcie->dev, "unable to scan PCI root bus\n");
 		ret = -ENOMEM;
 		goto err_power_off_phy;
 	}
@@ -227,7 +227,6 @@ int iproc_pcie_setup(struct iproc_pcie *pcie)
 
 	iproc_pcie_enable(pcie);
 
-	pci_scan_child_bus(bus);
 	pci_assign_unassigned_bus_resources(bus);
 	pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
 	pci_bus_add_devices(bus);
-- 
1.7.1


WARNING: multiple messages have this Message-ID (diff)
From: wangyijing@huawei.com (Yijing Wang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH Part1 v11 5/5] PCI: iproc: Use pci_scan_root_bus() instead of pci_create_root_bus()
Date: Tue, 28 Apr 2015 15:01:39 +0800	[thread overview]
Message-ID: <1430204499-19571-6-git-send-email-wangyijing@huawei.com> (raw)
In-Reply-To: <1430204499-19571-1-git-send-email-wangyijing@huawei.com>

Pci_bus_add_devices() was ripped out of pci_scan_root_bus().
Now pci_scan_root_bus() == pci_create_root_bus() +
pci_scan_child_bus() if busn resource is supplied.
iproc added the busn resource to resources list
in of_pci_get_host_bridge_resources(). So it should be safe
to use pci_scan_root_bus() instead.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
CC: Ray Jui <rjui@broadcom.com>
---
 drivers/pci/host/pcie-iproc.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index 329e1b5..9622ebf 100644
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -210,10 +210,10 @@ int iproc_pcie_setup(struct iproc_pcie *pcie)
 
 	pcie->sysdata.private_data = pcie;
 
-	bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops,
+	bus = pci_scan_root_bus(pcie->dev, 0, &iproc_pcie_ops,
 				  &pcie->sysdata, pcie->resources);
 	if (!bus) {
-		dev_err(pcie->dev, "unable to create PCI root bus\n");
+		dev_err(pcie->dev, "unable to scan PCI root bus\n");
 		ret = -ENOMEM;
 		goto err_power_off_phy;
 	}
@@ -227,7 +227,6 @@ int iproc_pcie_setup(struct iproc_pcie *pcie)
 
 	iproc_pcie_enable(pcie);
 
-	pci_scan_child_bus(bus);
 	pci_assign_unassigned_bus_resources(bus);
 	pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
 	pci_bus_add_devices(bus);
-- 
1.7.1

  parent reply	other threads:[~2015-04-28  7:08 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-28  7:01 [PATCH Part1 v11 0/5] Some cleanup for pcie host drivers Yijing Wang
2015-04-28  7:01 ` Yijing Wang
2015-04-28  7:01 ` [PATCH Part1 v11 1/5] PCI: mvebu: Use pci_common_init_dev() to simplify code Yijing Wang
2015-04-28  7:01   ` Yijing Wang
2015-05-27  0:11   ` Bjorn Helgaas
2015-05-27  0:11     ` Bjorn Helgaas
     [not found] ` <1430204499-19571-1-git-send-email-wangyijing-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2015-04-28  7:01   ` [PATCH Part1 v11 2/5] PCI: tegra: Remove redundant tegra_pcie_scan_bus() Yijing Wang
2015-04-28  7:01     ` Yijing Wang
2015-04-28  7:01     ` Yijing Wang
2015-04-28  7:01 ` [PATCH Part1 v11 3/5] PCI: designware: Use pci_scan_root_bus() for simplicity Yijing Wang
2015-04-28  7:01   ` Yijing Wang
2015-04-28  8:15   ` Lucas Stach
2015-04-28  8:15     ` Lucas Stach
2015-05-27  0:12   ` Bjorn Helgaas
2015-05-27  0:12     ` Bjorn Helgaas
2015-04-28  7:01 ` [PATCH Part1 v11 4/5] PCI: xgene: Use pci_scan_root_bus() instead of pci_create_root_bus() Yijing Wang
2015-04-28  7:01   ` Yijing Wang
2015-05-27 15:47   ` Bjorn Helgaas
2015-05-27 15:47     ` Bjorn Helgaas
2015-05-27 17:21     ` Tanmay Inamdar
2015-05-27 17:21       ` Tanmay Inamdar
2015-06-16 18:49       ` Bjorn Helgaas
2015-06-16 18:49         ` Bjorn Helgaas
2015-04-28  7:01 ` Yijing Wang [this message]
2015-04-28  7:01   ` [PATCH Part1 v11 5/5] PCI: iproc: " Yijing Wang
2015-04-28 16:38   ` Ray Jui
2015-04-28 16:38     ` Ray Jui
2015-04-29  1:08     ` Yijing Wang
2015-04-29  1:08       ` Yijing Wang
2015-04-29  1:12   ` Yijing Wang
2015-04-29  1:12     ` Yijing Wang
2015-05-14  8:32 ` [PATCH Part1 v11 0/5] Some cleanup for pcie host drivers Yijing Wang
2015-05-14  8:32   ` Yijing Wang
2015-05-27 16:45 ` Bjorn Helgaas
2015-05-27 16:45   ` Bjorn Helgaas

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1430204499-19571-6-git-send-email-wangyijing@huawei.com \
    --to=wangyijing@huawei.com \
    --cc=arnd@arndb.de \
    --cc=bhelgaas@google.com \
    --cc=dja@axtens.net \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=rjui@broadcom.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.