[U-Boot] [RFC PATCH v1] usb: spl: fix USB errata for FSL SPL targets

[Marek Vasut <marex@denx.de>]

On 06/28/2016 09:02 AM, Sriram Dash wrote:
>> From: Marek Vasut [mailto:marex at denx.de]
>> On 06/28/2016 01:02 AM, York Sun wrote:
>>> Commit 9262367 moved USB errata workaround to a C file but didn't
>>> build it for SPL targets.
>>>
>>> Signed-off-by: York Sun <york.sun@nxp.com>
>>> CC: Sriram Dash <sriram.dash@nxp.com>
>>> CC: Rajesh Bhagat <rajesh.bhagat@nxp.com>
>>>
>>> ---
>>> Please review this patch. It fixed the compiling errors introduced by
>>> 9262367. Not sure if this is the way USB errata should be handled.
>>>
>>>  drivers/Makefile                    | 7 +++++++
>>>  drivers/usb/common/Makefile         | 8 ++++++--
>>>  include/configs/km/kmp204x-common.h | 1 +
>>>  3 files changed, 14 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/Makefile b/drivers/Makefile index
>>> 1723958..88774ba 100644
>>> --- a/drivers/Makefile
>>> +++ b/drivers/Makefile
>>> @@ -39,6 +39,13 @@ obj-$(CONFIG_OMAP_USB_PHY) += usb/phy/
>>>  obj-$(CONFIG_SPL_SATA_SUPPORT) += block/
>>>  obj-$(CONFIG_SPL_USB_HOST_SUPPORT) += block/
>>>  obj-$(CONFIG_SPL_MMC_SUPPORT) += block/
>>> +ifdef CONFIG_USB_EHCI_FSL
>>> +CONFIG_SPL_USB_ERRATA = y
>>> +endif
>>> +ifdef CONFIG_USB_XHCI_FSL
>>> +CONFIG_SPL_USB_ERRATA = y
>>> +endif
>>> +obj-$(CONFIG_SPL_USB_ERRATA) += usb/common/
>>
>> I really dislike the naming here, I'd say just do
>>
>> obj-$(CONFIG_USB_EHCI_FSL) += usb/common/
>> obj-$(CONFIG_USB_XHCI_FSL) += usb/common/
>>
> 
> Hello York/Marek,
> 
> IMO, the build for SPL is failing in PPC as the cmd_errata is not getting
> the definition of the has_erratum_aNNNNNN functions. So, instead of EHCI
> or XHCI flags, i think we can use CONFIG_CMD_ERRATA for SPL build for
> the errata applicability.
> 
> +obj-$(CONFIG_CMD_ERRATA) += usb/common/fsl-errata.o
> 
> What is your opinion?

I think naming macro which is NOT enabling a command CONFIG_CMD_ERRATA
is horrible and needs renaming in near future. Otherwise, I'll just wait
for York's opinion on the above.

-- 
Best regards,
Marek Vasut