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Message-ID: <1392542548.11093.13.camel@chi.lan>
Date: Sun, 16 Feb 2014 11:22:28 +0200
From: "Priit Laes" <plaes@...es.org>
To: linux-sunxi@...glegroups.com
Cc: devicetree@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>,
Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
Mike Turquette <mturquette@...aro.org>,
Simon Baatz <gmbnomis@...il.com>,
Hans de Goede <hdegoede@...hat.com>,
Emilio López <emilio@...pez.com.ar>,
linux-mmc@...r.kernel.org, Chris Ball <chris@...ntf.net>,
linux-kernel@...r.kernel.org,
H Hartley Sweeten <hsweeten@...ionengravers.com>,
Tejun Heo <tj@...nel.org>,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
Guennadi Liakhovetski <g.liakhovetski@....de>,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [linux-sunxi] [PATCH v6 4/8] ARM: sunxi: Add driver for SD/MMC
hosts found on Allwinner sunxi SoCs
Ühel kenal päeval, P, 16.02.2014 kell 06:11, kirjutas David
Lanzendörfer:
> This is based on the driver Allwinner ships in their Android kernel sources.
[...]
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -0,0 +1,876 @@
> +/*
> + * Driver for sunxi SD/MMC host controllers
> + * (C) Copyright 2014-2015 Reuuimlla Technology Co., Ltd.
> + * (C) Copyright 2014-2015 Aaron Maoye <leafy.myeh@...uimllatech.com>
> + * (C) Copyright 2014-2015 O2S GmbH <www.o2s.ch>
> + * (C) Copyright 2014-2015 David Lanzendörfer <david.lanzendoerfer@....ch>
> + * (C) Copyright 2014-2015 Hans de Goede <hdegoede@...hat.com>
ETIMETRAVEL
[...]
> +++ b/drivers/mmc/host/sunxi-mmc.h
> @@ -0,0 +1,239 @@
> +/*
> + * Driver for sunxi SD/MMC host controllers
> + * (C) Copyright 2014-2015 Reuuimlla Technology Co., Ltd.
> + * (C) Copyright 2014-2015 Aaron Maoye <leafy.myeh@...uimllatech.com>
> + * (C) Copyright 2014-2015 O2S GmbH <www.o2s.ch>
> + * (C) Copyright 2014-2015 David Lanzendörfer <david.lanzendoerfer@....ch>
> + * (C) Copyright 2014-2015 Hans de Goede <hdegoede@...hat.com>
ETIMETRAVEL
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + */
> +
> +#ifndef __SUNXI_MCI_H__
> +#define __SUNXI_MCI_H__
__SUNXI_MMC_H__
> +
> +/* register offset define */
s/define/definitions
> +#define SDXC_REG_GCTRL (0x00) /* SMC Global Control Register */
> +#define SDXC_REG_CLKCR (0x04) /* SMC Clock Control Register */
> +#define SDXC_REG_TMOUT (0x08) /* SMC Time Out Register */
[...]
> +#define SDXC_FIFO_RUN_ERROR BIT(11)
> +#define SDXC_HARD_WARE_LOCKED BIT(12)
s/HARD_WARE/HARDWARE
> +#define SDXC_START_BIT_ERROR BIT(13)
> +#define SDXC_AUTO_COMMAND_DONE BIT(14)
> +#define SDXC_END_BIT_ERROR BIT(15)
> +#define SDXC_SDIO_INTERRUPT BIT(16)
> +#define SDXC_CARD_INSERT BIT(30)
> +#define SDXC_CARD_REMOVE BIT(31)
> +#define SDXC_INTERRUPT_ERROR_BIT (SDXC_RESPONSE_ERROR | SDXC_RESPONSE_CRC_ERROR | \
> + SDXC_DATA_CRC_ERROR | SDXC_RESPONSE_TIMEOUT | \
> + SDXC_DATA_TIMEOUT | SDXC_FIFO_RUN_ERROR | \
> + SDXC_HARD_WARE_LOCKED | SDXC_START_BIT_ERROR | \
> + SDXC_END_BIT_ERROR) /* 0xbbc2 */
same as above.
Also, you may want to rename SDXC_RESPONSE_* to SDXC_RESP_*, which looks
better next to the SDXC_DATA_* defines...
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