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SubjectRe: [PATCH] usb: musb: hdrc: fix dependency on USB_GADGET_DUALSPEED in Kconfig
On Wed, Nov 02, 2011 at 12:17:59PM +0200, Luciano Coelho wrote:
> USB_MUSB_HDRC depends on USB_GADGET_DUALSPEED. If HDRC is selected
> but DUALSPEED is not, the kernel oopses:
>
> [ 3.132781] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> [ 3.141296] pgd = c0004000
> [ 3.144134] [00000000] *pgd=00000000
> [ 3.147918] Internal error: Oops: 5 [#1] SMP
> [ 3.152404] Modules linked in:
> [ 3.155609] CPU: 0 Not tainted (3.1.0-rc9-wl+ #417)
> [ 3.161132] PC is at composite_setup+0x738/0xbb4
> [ 3.165985] LR is at vprintk+0x400/0x47c
> [ 3.170135] pc : [<c031df90>] lr : [<c004c150>] psr: 60000093
> [ 3.170135] sp : c065dd50 ip : dfb1f0fc fp : c065ddbc
> [ 3.182220] r10: 00000000 r9 : df8fcae8 r8 : df8fcaa0
> [ 3.187713] r7 : 00000000 r6 : df8eaa20 r5 : dfae8ea0 r4 : 00000000
> [ 3.194580] r3 : df8fcae8 r2 : 00010002 r1 : c065dc40 r0 : 00000047
> [ 3.201446] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
> [ 3.209228] Control: 10c53c7d Table: 8000404a DAC: 00000015
> [ 3.215270] Process swapper (pid: 0, stack limit = 0xc065c2f8)
> [ 3.221405] Stack: (0xc065dd50 to 0xc065e000)
> [...]
> [ 3.415405] [<c031df90>] (composite_setup+0x738/0xbb4) from [<c0310d18>] (musb_g_ep0_irq+0x9d0/0xaf8)
> [ 3.425109] [<c0310d18>] (musb_g_ep0_irq+0x9d0/0xaf8) from [<c030fb04>] (musb_interrupt+0xb48/0xc74)
> [ 3.434722] [<c030fb04>] (musb_interrupt+0xb48/0xc74) from [<c030fc98>] (generic_interrupt+0x68/0x80)
> [ 3.444458] [<c030fc98>] (generic_interrupt+0x68/0x80) from [<c0095204>] (handle_irq_event_percpu+0x9c/0x234)
> [ 3.454925] [<c0095204>] (handle_irq_event_percpu+0x9c/0x234) from [<c00953e8>] (handle_irq_event+0x4c/0x6c)
> [ 3.465270] [<c00953e8>] (handle_irq_event+0x4c/0x6c) from [<c0097e10>] (handle_fasteoi_irq+0xd8/0x110)
> [ 3.475158] [<c0097e10>] (handle_fasteoi_irq+0xd8/0x110) from [<c0094d2c>] (generic_handle_irq+0x34/0x3c)
> [ 3.485260] [<c0094d2c>] (generic_handle_irq+0x34/0x3c) from [<c0014ae4>] (handle_IRQ+0x88/0xc8)
> [ 3.494537] [<c0014ae4>] (handle_IRQ+0x88/0xc8) from [<c00085b0>] (asm_do_IRQ+0x18/0x1c)
> [ 3.503051] [<c00085b0>] (asm_do_IRQ+0x18/0x1c) from [<c0429e78>] (__irq_svc+0x38/0xc0)
>
> This patch changes Kconfig so that USB_GADGET_DUALSPEED is selected
> automatically by USB_MUSB_HDRC.
>
> Signed-off-by: Luciano Coelho <coelho@ti.com>

applied, thanks

--
balbi
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