linux-kernel - Re: [PATCH] BCM47xx: Add platform specific PCI code

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Date:	Mon, 21 Apr 2008 15:52:49 +0200
From:	Michael Buesch <mb@...sch.de>
To:	Aurelien Jarno <aurelien@...el32.net>
Cc:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] BCM47xx: Add platform specific PCI code

On Monday 21 April 2008 09:54:33 Aurelien Jarno wrote:
> This patch, ported from OpenWRT SVN, defines pcibios_map_irq() and
> pcibios_plat_dev_init() for the BCM47xx platform.


Reviewed-by: Michael Buesch <mb@...sch.de>

> It fixes the regression introduced by commit
> aab547ce0d1493d400b6468c521a0137cd8c1edf.
> ---
>  arch/mips/pci/Makefile      |    1 +
>  arch/mips/pci/pci-bcm47xx.c |   58 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 59 insertions(+), 0 deletions(-)
>  create mode 100644 arch/mips/pci/pci-bcm47xx.c
> 
> diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
> index ed0c076..64ba3fa 100644
> --- a/arch/mips/pci/Makefile
> +++ b/arch/mips/pci/Makefile
> @@ -15,6 +15,7 @@ obj-$(CONFIG_MIPS_TX3927)	+= ops-tx3927.o
>  obj-$(CONFIG_PCI_VR41XX)	+= ops-vr41xx.o pci-vr41xx.o
>  obj-$(CONFIG_NEC_CMBVR4133)	+= fixup-vr4133.o
>  obj-$(CONFIG_MARKEINS)		+= ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
> +obj-$(CONFIG_BCM47XX)		+= pci-bcm47xx.o
>  
>  #
>  # These are still pretty much in the old state, watch, go blind.
> diff --git a/arch/mips/pci/pci-bcm47xx.c b/arch/mips/pci/pci-bcm47xx.c
> new file mode 100644
> index 0000000..64ccb4f
> --- /dev/null
> +++ b/arch/mips/pci/pci-bcm47xx.c
> @@ -0,0 +1,58 @@
> +/*
> + *  Copyright (C) 2008 Michael Buesch <mb@...sch.de>
> + *  Copyright (C) 2008 Aurelien Jarno <aurelien@...el32.net>
> + *
> + *  This program is free software; you can redistribute  it and/or modify it
> + *  under  the terms of  the GNU General  Public License as published by the
> + *  Free Software Foundation;  either version 2 of the  License, or (at your
> + *  option) any later version.
> + *
> + *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
> + *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
> + *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
> + *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
> + *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
> + *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
> + *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
> + *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
> + *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
> + *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + *
> + *  You should have received a copy of the  GNU General Public License along
> + *  with this program; if not, write  to the Free Software Foundation, Inc.,
> + *  675 Mass Ave, Cambridge, MA 02139, USA.
> + */
> +
> +#include <linux/types.h>
> +#include <linux/pci.h>
> +#include <linux/ssb/ssb.h>
> +
> +int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
> +{
> +	int res;
> +
> +	res = ssb_pcibios_map_irq(dev, slot, pin);
> +	if (res < 0) {
> +		printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
> +		       dev->dev.bus_id);
> +		return 0;
> +	}
> +	/* IRQ-0 and IRQ-1 are software interrupts. */
> +	WARN_ON((res == 0) || (res == 1));
> +
> +	return res;
> +}
> +
> +int pcibios_plat_dev_init(struct pci_dev *dev)
> +{
> +	int err;
> +
> +	err = ssb_pcibios_plat_dev_init(dev);
> +	if (err) {
> +		printk(KERN_ALERT "PCI: Failed to init device %s\n",
> +		       pci_name(dev));
> +	}
> +
> +	return err;
> +}
> +
> -- 
> 1.5.5
> 
> 



-- 
Greetings Michael.
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