From: Sergei Shtylyov <sshtylyov@mvista.com>
To: John Crispin <blogic@openwrt.org>
Cc: Ralf Baechle <ralf@linux-mips.org>,
"linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: [PATCH V2 02/14] MIPS: pci: parse memory ranges from devicetree
Date: Wed, 02 May 2012 22:12:53 +0400 [thread overview]
Message-ID: <4FA17925.6080707@mvista.com> (raw)
In-Reply-To: <1335961659-21358-2-git-send-email-blogic@openwrt.org>
Hello.
On 05/02/2012 04:27 PM, John Crispin wrote:
> Implement pci_load_of_ranges on MIPS. Due to lack of test hardware only 32bit
> bus width is supported. This function is based on the implementation found on
> powerpc.
> Signed-off-by: John Crispin<blogic@openwrt.org>
> ---
> Changes in V2
> * remove some #ifdefs
> * rename to pci_load_of_ranges
> arch/mips/include/asm/pci.h | 6 ++++
> arch/mips/pci/pci.c | 55 +++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 61 insertions(+), 0 deletions(-)
[...]
> diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
> index 0514866..4d8a1b6 100644
> --- a/arch/mips/pci/pci.c
> +++ b/arch/mips/pci/pci.c
[...]
> @@ -114,9 +115,63 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose)
[...]
> +#ifdef CONFIG_OF
> +void __devinit pci_load_of_ranges(struct pci_controller *hose,
> + struct device_node *node)
> +{
> + const __be32 *ranges;
> + int rlen;
> + int pna = of_n_addr_cells(node);
> + int np = pna + 5;
> +
> + pr_info("PCI host bridge %s ranges:\n", node->full_name);
> + ranges = of_get_property(node, "ranges",&rlen);
> + if (ranges == NULL)
> + return;
> + hose->of_node = node;
> +
> + while ((rlen -= np * 4)>= 0) {
> + u32 pci_space;
> + struct resource *res = 0;
s/0/NULL/ to avoid the warning (from sparse?).
WBR, Sergei
next prev parent reply other threads:[~2012-05-02 18:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 12:27 [PATCH V2 01/14] MIPS: make oprofile use cp0_perfcount_irq if it is set John Crispin
2012-05-02 12:27 ` [PATCH V2 02/14] MIPS: pci: parse memory ranges from devicetree John Crispin
2012-05-02 18:12 ` Sergei Shtylyov [this message]
2012-05-02 12:27 ` [PATCH V2 04/14] MIPS: Add helper function to allow platforms to point at a DTB John Crispin
2012-05-02 12:27 ` [PATCH V2 05/14] MIPS: parse chosen node on boot John Crispin
2012-05-02 12:27 ` [PATCH V2 08/14] MIPS: lantiq: clear all irqs properly " John Crispin
2012-05-02 12:27 ` [PATCH V2 09/14] MIPS: lantiq: enable oprofile support on lantiq targets John Crispin
2012-05-02 12:27 ` [PATCH V2 11/14] MIPS: lantiq: fix early printk John Crispin
2012-05-02 12:27 ` [PATCH V2 12/14] MIPS: lantiq: fix cmdline parsing John Crispin
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