[U-Boot] [PATCH v5 3/4] drivers:usb:common:fsl-dt-fixup: Add device-tree fixup support for xhci controller

[Marek Vasut <marex@denx.de>]

On 03/22/2016 08:10 AM, Sriram Dash wrote:
> Enables usb device-tree fixup code to incorporate xhci controller
> 
> Signed-off-by: Ramneek Mehresh <ramneek.mehresh@nxp.com>
> Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
> ---
> Changes in v5:
>   - Make the array static const
> Changes in v4:
>   - Use a terminating entry in the array for getting node type for controller
> Changes in v3:
>   - Modify the Makefile to remove comparison
>   - Put the supported controllers in array and checking from array
> Changes in v2:
>   - Remove the #defines from the patch and adding controller support
> 
>  drivers/usb/common/Makefile       |  1 +
>  drivers/usb/common/fsl-dt-fixup.c | 33 +++++++++++++++++----------------
>  include/fdt_support.h             |  4 ++--
>  3 files changed, 20 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile
> index a38ee4a..2f3d43d 100644
> --- a/drivers/usb/common/Makefile
> +++ b/drivers/usb/common/Makefile
> @@ -4,3 +4,4 @@
>  #
>  
>  obj-$(CONFIG_USB_EHCI_FSL) += fsl-dt-fixup.o
> +obj-$(CONFIG_USB_XHCI_FSL) += fsl-dt-fixup.o
> diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c
> index eb13f12..13f9fb8 100644
> --- a/drivers/usb/common/fsl-dt-fixup.c
> +++ b/drivers/usb/common/fsl-dt-fixup.c
> @@ -19,27 +19,28 @@
>  #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
>  #endif
>  
> +static const char compat_usb_fsl[] = {
> +	"fsl-usb2-mph" "\0"
> +	"fsl-usb2-dr" "\0"
> +	"snps,dwc3" "\0"
> +};

This is supposed to be static constant array of strings. Can you tell
me, based on your knowledge of the C language, what is wrong with this
construct ?

Best regards,
Marek Vasut