Hi,
On Tue, Jul 16, 2013 at 08:33:06AM +0200, Daniel Mack wrote:
> > fe4cb0912f8e737f8e4b8b38b9e692f8062f5423
> > usb: musb: gadget: remove hcd initialization
> > (Reverting this fixes error "cdc_ether: probe of 4-1:1.0 failed
> > with error -110" seen on the host side.)
>
> Which role does your musb-based hardware have in this case, and which
> MUSB_* config symbols do you set? You should have USB_MUSB_GADGET.
I have USB_MUSB_DUAL_ROLE set. But also with USB_MUSB_GADGET the result
is the same.
The N900/RX-51 board file sets mode to MUSB_PERIPHERAL (see
mach-omap2/board-rx51.c).
> From 5f33d42f2dffb82d22b83a030f14fe2331a935b7 Mon Sep 17 00:00:00 2001
> From: Daniel Mack <zonque@xxxxxxxxx>
> Date: Tue, 16 Jul 2013 08:19:49 +0200
> Subject: [PATCH] ARM: omap2: fix musb usage for n8x0
>
> Commit b7e2e75a8c ("usb: gadget: drop unused USB_GADGET_MUSB_HDRC")
> dropped a config symbol that was unused by the musb core, but it turns
> out that board support code still had references to it.
>
> As the core now handles both dual role and host-only modes, we can just
> pass MUSB_OTG as mode from board files.
This looks fine, however, I currently cannot test the host mode.
A.
> Signed-off-by: Daniel Mack <zonque@xxxxxxxxx>
> ---
> arch/arm/mach-omap2/board-n8x0.c | 4 ----
> arch/arm/mach-omap2/usb-musb.c | 5 +----
> 2 files changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
> index f6eeb87..827d150 100644
> --- a/arch/arm/mach-omap2/board-n8x0.c
> +++ b/arch/arm/mach-omap2/board-n8x0.c
> @@ -122,11 +122,7 @@ static struct musb_hdrc_config musb_config = {
> };
>
> static struct musb_hdrc_platform_data tusb_data = {
> -#ifdef CONFIG_USB_GADGET_MUSB_HDRC
> .mode = MUSB_OTG,
> -#else
> - .mode = MUSB_HOST,
> -#endif
> .set_power = tusb_set_power,
> .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
> .power = 100, /* Max 100 mA VBUS for host mode */
> diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
> index 8c4de27..bc89723 100644
> --- a/arch/arm/mach-omap2/usb-musb.c
> +++ b/arch/arm/mach-omap2/usb-musb.c
> @@ -38,11 +38,8 @@ static struct musb_hdrc_config musb_config = {
> };
>
> static struct musb_hdrc_platform_data musb_plat = {
> -#ifdef CONFIG_USB_GADGET_MUSB_HDRC
> .mode = MUSB_OTG,
> -#else
> - .mode = MUSB_HOST,
> -#endif
> +
> /* .clock is set dynamically */
> .config = &musb_config,
>
> --
> 1.8.1.4
>
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