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SubjectRe: [PATCH 1/5 v8] usb: Adding SuperSpeed support to dummy_hcd
Hi,

On Wed, Mar 23, 2011 at 10:02:51AM +0200, Tatyana Brokhman wrote:
> This patch adds SS support to the dummy hcd module. It may be used to test
> SS device when no (SS) HW is available.
> USB 3.0 hub includes 2 hubs - HS and SS ones.
> This patch adds support for a SS hub in the dummy_hcd module. Thus, when
> dummy_hcd enabled it will register 2 root hubs (SS and HS).
>
> Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>

missing tear line.

> diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
> index 3214ca3..4f4db96 100644
> --- a/drivers/usb/gadget/dummy_hcd.c
> +++ b/drivers/usb/gadget/dummy_hcd.c
> @@ -62,9 +62,12 @@
> #define POWER_BUDGET 500 /* in mA; use 8 for low-power port testing */
>
> static const char driver_name [] = "dummy_hcd";
> +static const char ss_driver_name[] = "ss_dummy_hcd";
> static const char driver_desc [] = "USB Host+Gadget Emulator";
> +static const char ss_driver_desc[] = "SS USB Host+Gadget Emulator";
>
> static const char gadget_name [] = "dummy_udc";
> +static const char ss_gadget_name[] = "ss_dummy_udc";
>
> MODULE_DESCRIPTION (DRIVER_DESC);
> MODULE_AUTHOR ("David Brownell");
> @@ -220,6 +223,7 @@ static inline struct dummy *gadget_dev_to_dummy (struct device *dev)
> }
>
> static struct dummy *the_controller;
> +static struct dummy *the_ss_controller;

the only thing I don't like, is why you splitted the ss controller to a
separate controller. Why don't you use the same ? From SW perspective,
we can treat SS and HS/FS/LS controllers as one unit.

--
balbi


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