From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lukasz Majewski <l.majewski@samsung.com>
Date: Mon, 16 Feb 2015 11:32:42 +0100
Subject: [U-Boot] [u-boot 14/40] usb: dwc3: linux-compat: Add header for
 dwc3 linux compatibiltiy
In-Reply-To: <1423212497-11970-15-git-send-email-kishon@ti.com>
References: <1423212497-11970-1-git-send-email-kishon@ti.com>
 <1423212497-11970-15-git-send-email-kishon@ti.com>
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To: u-boot@lists.denx.de

Hi Kishon, Marek

> Added a header file to include various linux specific APIs like
> pr_debug, WARN_ WARN_ON_ONCE etc.. in order to avoid compilation
> error while building dwc3 driver.
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
>  drivers/usb/dwc3/linux-compat.h |   30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
>  create mode 100644 drivers/usb/dwc3/linux-compat.h
> 
> diff --git a/drivers/usb/dwc3/linux-compat.h
> b/drivers/usb/dwc3/linux-compat.h new file mode 100644
> index 0000000..58c4716
> --- /dev/null
> +++ b/drivers/usb/dwc3/linux-compat.h
> @@ -0,0 +1,30 @@
> +/**
> + * linux-compat.h - DesignWare USB3 Linux Compatibiltiy Adapter
> Header
> + *
> + * Copyright (C) 2015 Texas Instruments Incorporated -
> http://www.ti.com
> + *
> + * Authors: Kishon Vijay Abraham I <kishon@ti.com>
> + *
> + * Taken from Linux Kernel v3.16 (drivers/usb/dwc3/core.c) and ported
> + * to uboot.
> + *
> + * SPDX-License-Identifier:	GPL-2.0
> + *
> + */
> +
> +#ifndef __DWC3_LINUX_COMPAT__
> +#define __DWC3_LINUX_COMPAT__
> +
> +#define pr_debug(format)                debug(format)
> +#define WARN(val, format, arg...)	debug(format, ##arg)
> +#define WARN_ON_ONCE(val)		debug("Error %d\n", val)
> +
> +#define BUILD_BUG_ON_NOT_POWER_OF_2(n)
> +
> +static inline size_t strlcat(char *dest, const char *src, size_t n)
> +{
> +	strcat(dest, src);
> +	return strlen(dest) + strlen(src);
> +}
> +
> +#endif

Similar file has been already added to u-boot.
Please look into ./drivers/usb/musb-new/linux-compat.h

@Marek - maybe it is time to have a common one?

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group