linux-kernel - Re: [PATCH 07/25] MIPS: Alchemy: use the ehci platform driver

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Date:	Wed, 3 Oct 2012 17:14:21 +0200
From:	Manuel Lauss <manuel.lauss@...il.com>
To:	Florian Fainelli <florian@...nwrt.org>
Cc:	stern@...land.harvard.edu, linux-usb@...r.kernel.org,
	Ralf Baechle <ralf@...ux-mips.org>,
	Manuel Lauss <manuel.lauss@...glemail.com>,
	Thomas Meyer <thomas@...3r.de>,
	"David S. Miller" <davem@...emloft.net>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/25] MIPS: Alchemy: use the ehci platform driver

On Wed, Oct 3, 2012 at 5:03 PM, Florian Fainelli <florian@...nwrt.org> wrote:
> Use the ehci platform driver power_{on,suspend,off} callbacks to perform the
> USB block gate enabling/disabling as what the ehci-au1xxx.c driver does.
>
> Signed-off-by: Florian Fainelli <florian@...nwrt.org>
> ---
>  arch/mips/alchemy/common/platform.c |   23 ++++++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
>
> diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
> index c0f3ce6..57335a2 100644
> --- a/arch/mips/alchemy/common/platform.c
> +++ b/arch/mips/alchemy/common/platform.c
> @@ -17,6 +17,7 @@
>  #include <linux/platform_device.h>
>  #include <linux/serial_8250.h>
>  #include <linux/slab.h>
> +#include <linux/usb/ehci_pdriver.h>
>
>  #include <asm/mach-au1x00/au1000.h>
>  #include <asm/mach-au1x00/au1xxx_dbdma.h>
> @@ -122,6 +123,25 @@ static void __init alchemy_setup_uarts(int ctype)
>  static u64 alchemy_ohci_dmamask = DMA_BIT_MASK(32);
>  static u64 __maybe_unused alchemy_ehci_dmamask = DMA_BIT_MASK(32);
>
> +/* Power on callback for the ehci platform driver */
> +static int alchemy_ehci_power_on(struct platform_device *pdev)
> +{
> +       return alchemy_usb_control(ALCHEMY_USB_EHCI0, 1);
> +}
> +
> +/* Power off/suspend callback for the ehci platform driver */
> +static void alchemy_ehci_power_off(struct platform_device *pdev)
> +{
> +       alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
> +}
> +
> +static struct usb_ehci_pdata alchemy_ehci_pdata = {
> +       .need_io_watchdog       = 0,

This member doesn't exist.

Manuel
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