From: Bjorn Helgaas <bhelgaas@google.com>
To: Yijing Wang <wangyijing@huawei.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>,
linux-pci@vger.kernel.org, Yinghai Lu <yinghai@kernel.org>,
linux-kernel@vger.kernel.org, Marc Zyngier <marc.zyngier@arm.com>,
linux-arm-kernel@lists.infradead.org,
Russell King <linux@arm.linux.org.uk>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Tony Luck <tony.luck@intel.com>,
linux-ia64@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Guan Xuetao <gxt@mprc.pku.edu.cn>,
linux-alpha@vger.kernel.org, linux-m68k@vger.kernel.org,
Liviu Dudau <liviu@dudau.co.uk>, Arnd Bergmann <arnd@arndb.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Jason Cooper <jason@lakedaemon.net>
Subject: Re: [PATCH v4 23/30] PCI/mvebu: Use pci_common_init_dev() to simplify code
Date: Mon, 2 Mar 2015 21:30:08 -0600 [thread overview]
Message-ID: <20150303033008.GL11978@google.com> (raw)
In-Reply-To: <1424938344-4017-24-git-send-email-wangyijing@huawei.com>
On Thu, Feb 26, 2015 at 04:12:17PM +0800, Yijing Wang wrote:
> Mvebu_pcie_scan_bus() is not necessary, we could use
> pci_common_init_dev() instead of pci_common_init(),
> and pass the device pointer as the parent. Then
> pci_scan_root_bus() will be called to scan the pci busses.
>
> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
> CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> CC: Jason Cooper <jason@lakedaemon.net>
> ---
> drivers/pci/host/pci-mvebu.c | 18 +-----------------
> 1 files changed, 1 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
> index 1309cfb..d5a2b70 100644
> --- a/drivers/pci/host/pci-mvebu.c
> +++ b/drivers/pci/host/pci-mvebu.c
> @@ -750,21 +750,6 @@ static int mvebu_pcie_setup(int nr, struct pci_sys_data *sys)
> return 1;
> }
>
> -static struct pci_bus *mvebu_pcie_scan_bus(int nr, struct pci_sys_data *sys)
> -{
> - struct mvebu_pcie *pcie = sys_to_pcie(sys);
> - struct pci_bus *bus;
> -
> - bus = pci_create_root_bus(&pcie->pdev->dev, sys->busnr,
> - &mvebu_pcie_ops, sys, &sys->resources);
> - if (!bus)
> - return NULL;
> -
> - pci_scan_child_bus(bus);
> -
> - return bus;
> -}
> -
> static resource_size_t mvebu_pcie_align_resource(struct pci_dev *dev,
> const struct resource *res,
> resource_size_t start,
> @@ -808,12 +793,11 @@ static void mvebu_pcie_enable(struct mvebu_pcie *pcie)
> hw.nr_controllers = 1;
> hw.private_data = (void **)&pcie;
> hw.setup = mvebu_pcie_setup;
> - hw.scan = mvebu_pcie_scan_bus;
> hw.map_irq = of_irq_parse_and_map_pci;
> hw.ops = &mvebu_pcie_ops;
> hw.align_resource = mvebu_pcie_align_resource;
>
> - pci_common_init(&hw);
> + pci_common_init_dev(&pcie->pdev->dev, &hw);
I'm not necessarily opposed to this, but it seems unrelated to the rest of
the series. And I think it changes the behavior slightly (now we call
pci_common_init_dev() with &pcie->pdev->dev instead of NULL). So I'll wait
for an ack from Thomas and/or Jason.
> }
>
> /*
> --
> 1.7.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2015-03-03 3:30 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-26 8:11 [PATCH v4 00/30] Refine PCI scan interfaces and make generic pci host bridge Yijing Wang
2015-02-26 8:11 ` [PATCH v4 01/30] PCI: Rip out pci_bus_add_devices() from pci_scan_bus() Yijing Wang
2015-03-02 23:41 ` Bjorn Helgaas
2015-03-03 1:12 ` Yijing Wang
2015-02-26 8:11 ` [PATCH v4 02/30] PCI: Rip out pci_bus_add_devices() from pci_scan_root_bus() Yijing Wang
2015-03-03 1:57 ` Bjorn Helgaas
2015-03-03 3:09 ` Yijing Wang
2015-02-26 8:11 ` [PATCH v4 03/30] xen/PCI: Don't use deprecated function pci_scan_bus_parented() Yijing Wang
2015-03-03 2:02 ` Bjorn Helgaas
2015-03-03 3:33 ` Yijing Wang
2015-02-26 8:11 ` [PATCH v4 04/30] PCI: Remove deprecated pci_scan_bus_parented() Yijing Wang
2015-02-26 8:11 ` [PATCH v4 05/30] PCI: Rename pci_scan_bus() to pci_scan_bus_legacy() Yijing Wang
2015-03-03 2:06 ` Bjorn Helgaas
2015-03-03 3:41 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 06/30] PCI: Combine PCI domain and bus number in u32 arg Yijing Wang
2015-02-26 8:12 ` [PATCH v4 07/30] PCI: Pass PCI domain number combined with root bus number Yijing Wang
2015-02-26 8:12 ` [PATCH v4 08/30] PCI: Introduce pci_host_assign_domain_nr() to assign domain Yijing Wang
2015-02-26 8:12 ` [PATCH v4 09/30] PCI: Separate pci_host_bridge creation out of pci_create_root_bus() Yijing Wang
2015-03-03 2:37 ` Bjorn Helgaas
2015-03-03 3:46 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 10/30] PCI: Introduce pci_host_bridge_list to manage host bridges Yijing Wang
2015-02-26 8:12 ` [PATCH v4 11/30] PCI: Save sysdata in pci_host_bridge drvdata Yijing Wang
2015-02-26 8:12 ` [PATCH v4 12/30] PCI: Introduce pci_host_bridge_ops to support host specific operations Yijing Wang
2015-03-03 2:50 ` Bjorn Helgaas
2015-03-03 8:08 ` Yijing Wang
2015-03-03 3:03 ` Bjorn Helgaas
2015-03-03 8:41 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 13/30] PCI: Introduce new scan function pci_scan_root_bridge() Yijing Wang
2015-03-03 2:52 ` Bjorn Helgaas
2015-03-03 8:12 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 14/30] PCI/x86: Refine pci_acpi_scan_root() with generic pci_host_bridge Yijing Wang
2015-02-26 8:12 ` [PATCH v4 15/30] PCI/IA64: " Yijing Wang
2015-02-26 8:12 ` [PATCH v4 16/30] PCI/IA64: Fix the build warning about pci_domain_nr() Yijing Wang
2015-03-03 2:56 ` Bjorn Helgaas
2015-03-03 8:35 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 17/30] PCI/powerpc: Rename pcibios_root_bridge_prepare() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 18/30] PCI/powerpc: Use pci_scan_root_bridge() for simplicity Yijing Wang
2015-02-26 8:12 ` [PATCH v4 19/30] PCI: Remove weak pcibios_root_bridge_prepare() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 20/30] PCI/sparc: Use pci_scan_root_bridge() for simplicity Yijing Wang
2015-03-03 3:10 ` Bjorn Helgaas
2015-03-03 8:49 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 21/30] PCI: Introduce pci_bus_child_max_busnr() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 22/30] PCI/Parisc: Use pci_scan_root_bus() for simplicity Yijing Wang
2015-03-03 3:24 ` Bjorn Helgaas
2015-03-03 9:31 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 23/30] PCI/mvebu: Use pci_common_init_dev() to simplify code Yijing Wang
2015-03-03 3:30 ` Bjorn Helgaas [this message]
2015-02-26 8:12 ` [PATCH v4 24/30] PCI/tegra: Remove redundant tegra_pcie_scan_bus() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 25/30] PCI/designware: Use pci_scan_root_bus() for simplicity Yijing Wang
2015-02-26 8:12 ` [PATCH v4 26/30] PCI/xgene: Use pci_scan_root_bus() instead of pci_create_root_bus() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 27/30] PCI: Rename __pci_create_root_bus() to pci_create_root_bus() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 28/30] PCI: Export find_pci_host_bridge() Yijing Wang
2015-03-03 3:40 ` Bjorn Helgaas
2015-03-03 9:35 ` Yijing Wang
2015-02-26 8:12 ` [PATCH v4 29/30] PCI: Remove platform specific pci_domain_nr() Yijing Wang
2015-02-26 8:12 ` [PATCH v4 30/30] PCI: Remove pci_bus_assign_domain_nr() Yijing Wang
2015-02-26 23:57 ` [PATCH v4 00/30] Refine PCI scan interfaces and make generic pci host bridge Bjorn Helgaas
2015-02-27 0:56 ` Yijing Wang
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=20150303033008.GL11978@google.com \
--to=bhelgaas@google.com \
--cc=arnd@arndb.de \
--cc=benh@kernel.crashing.org \
--cc=davem@davemloft.net \
--cc=geert@linux-m68k.org \
--cc=gxt@mprc.pku.edu.cn \
--cc=jason@lakedaemon.net \
--cc=jiang.liu@linux.intel.com \
--cc=linux-alpha@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-ia64@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-m68k@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=liviu@dudau.co.uk \
--cc=marc.zyngier@arm.com \
--cc=rusty@rustcorp.com.au \
--cc=tglx@linutronix.de \
--cc=thomas.petazzoni@free-electrons.com \
--cc=tony.luck@intel.com \
--cc=wangyijing@huawei.com \
--cc=x86@kernel.org \
--cc=yinghai@kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).