Re: [PATCH 2/5 v12] arm: omap: usb: ehci and ohci hwmod structuresfor omap3
From: Munegowda, Keshava
Date: Fri Sep 30 2011 - 06:33:27 EST
On Fri, Sep 30, 2011 at 1:32 PM, Paul Walmsley <paul@xxxxxxxxx> wrote:
> Hi
>
> a few more comments
>
> On Fri, 30 Sep 2011, Paul Walmsley wrote:
>
>> On Fri, 30 Sep 2011, Keshava Munegowda wrote:
>>
>> > +static struct omap_hwmod_ocp_if omap34xx_l4_cfg__usb_host_hs = {
>> > + .master = &omap3xxx_l4_core_hwmod,
>> > + .slave = &omap34xx_usb_host_hs_hwmod,
>> > + .clk = "l4_ick",
>> > + .addr = omap34xx_usb_host_hs_addrs,
>> > + .user = OCP_USER_MPU | OCP_USER_SDMA,
>> > +};
>> > +
>> > +static struct omap_hwmod_ocp_if omap34xx_usb_host_hs__ick = {
>
> This is missing master, slave, and addr fields. But see the comment
> below.
>
>> > + .clk = "usbhost_ick",
>> > + .user = OCP_USER_MPU,
>> > + .flags = OCPIF_SWSUP_IDLE,
>>
>> Does this really need OCPIF_SWSUP_IDLE? If so, then there is a hardware
>> bug, and some explanation is needed.
>
> Could you describe why there are two struct omap_hwmod_ocp_if records
> here? It seems to me that these should just be combined into one struct
> omap_hwmod_ocp_if record? Looking at the clock3xxx_data.c file, the
> usbhost_ick struct clk has l4_ick as its parent, so l4_ick shouldn't need
> to be mentioned explicitly?
Thanks ! I will do this.
..
>
>> > +static struct omap_hwmod_ocp_if omap34xx_f_cfg__usb_tll_hs = {
>> > + .clk = "usbtll_ick",
>> > + .user = OCP_USER_MPU,
>> > + .flags = OCPIF_SWSUP_IDLE,
>> > +};
>>
>> Does this really need OCPIF_SWSUP_IDLE? If so, then there is a hardware
>> bug, and some explanation is needed.
>>
>> > +
>> > +static struct omap_hwmod_ocp_if omap34xx_l4_cfg__usb_tll_hs = {
>> > + .master = &omap3xxx_l4_core_hwmod,
>> > + .slave = &omap34xx_usb_tll_hs_hwmod,
>> > + .clk = "l4_ick",
>> > + .addr = omap34xx_usb_tll_hs_addrs,
>> > + .user = OCP_USER_MPU | OCP_USER_SDMA,
>> > +};
>
> Same problem here. Seems like omap34xx_l4_cfg__usb_tll_hs and
> omap34xx_f_cfg__usb_tll_hs should be combined into one record.
Thanks ! I will do this.
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