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From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 0/9] OF: address and device related sync and cleanup
Date: Thu, 27 Jun 2013 20:27:47 +0200	[thread overview]
Message-ID: <51CC8423.301@gmail.com> (raw)
In-Reply-To: <20130627181923.GH516@pengutronix.de>

On 06/27/13 20:19, Sascha Hauer wrote:
> On Thu, Jun 27, 2013 at 11:00:46AM +0200, Sebastian Hesselbarth wrote:
>> On 06/27/13 10:58, Sascha Hauer wrote:
>>> On Thu, Jun 27, 2013 at 09:50:10AM +0200, Sebastian Hesselbarth wrote:
>>>> On 06/27/13 08:51, Sascha Hauer wrote:
>>>>> Applied this series with the change that I removed the dead code
>>>>> ifdeffed with CONFIG_PPC_DCR.
>>>>
>>>> Ok, great! Next patch sets will be focused on actually using the
>>>> DT improvements. I have an SPI driver for MACH_MVEBU ready and
>>>> running, and I am working on importing generic SDHCI from Linux.
>>>
>>> The sdhc driver in Linux is a big piece of shit which uses the wrong
>>> abstraction model. This is shown by the fact that 32bits are not enough
>>> to abstract the quirks. Even with all these quirks the i.MX part of this
>>> driver has to implement driver logic in the register access functions.
>>> That just insane. I'm not really looking forward to add this driver
>>> to barebox.
>>
>> Ok, fair enough. Then I'll be adding the required callbacks to Dove
>> SDHCI driver directly based on current barebox i.MX driver.
>
> I think for the SDHC a library approach would be good: Add a new driver
> and share common code/helper functions. I recently factored out the
> register defines as a start so that these can be shared.

Yeah, I just working at SDHCI driver for Dove and wonder if I start
to wrap my brain around readl/writel or go with readb/w/l as it is
supposed to be.

As soon as I got some valid responses back from the usdcard, I have
another look at sdhci.h and a generic approach.

Sebastian


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  reply	other threads:[~2013-06-27 18:28 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-25  9:20 [PATCH 0/9] OF: address and device related sync and cleanup Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 1/9] OF: import address related functions from Linux OF API Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 2/9] OF: convert of_translate_address to new API Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 3/9] OF: base: move OF_ROOT_NODE_ defines to local OF code Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 4/9] OF: import bus/device related functions from Linux OF API Sebastian Hesselbarth
2013-06-25 12:55   ` Sebastian Hesselbarth
2013-06-26  6:11   ` Sascha Hauer
2013-06-26  8:23     ` Sebastian Hesselbarth
2013-06-26  8:43   ` [PATCH v2 " Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 5/9] OF: base: use of_platform_populate for probing Sebastian Hesselbarth
2013-06-29 14:22   ` Sascha Hauer
2013-06-25  9:20 ` [PATCH 6/9] OF: base: remove dead device related functions Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 7/9] OF: remove device and resource pointer from struct device_node Sebastian Hesselbarth
2013-06-29 14:28   ` Sascha Hauer
2013-06-29 14:31     ` Sascha Hauer
2013-06-29 16:03       ` Sebastian Hesselbarth
2013-06-29 16:09         ` Sascha Hauer
2013-06-25  9:20 ` [PATCH 8/9] OF: base: convert of_add_memory to OF API Sebastian Hesselbarth
2013-06-25 19:48   ` Sascha Hauer
2013-06-25 19:57     ` Sebastian Hesselbarth
2013-06-25 21:38     ` Sebastian Hesselbarth
2013-06-26  8:43   ` [PATCH v2 " Sebastian Hesselbarth
2013-06-25  9:20 ` [PATCH 9/9] OF: base: rename of_free to of_delete_node Sebastian Hesselbarth
2013-06-27  6:51 ` [PATCH 0/9] OF: address and device related sync and cleanup Sascha Hauer
2013-06-27  7:50   ` Sebastian Hesselbarth
2013-06-27  8:58     ` Sascha Hauer
2013-06-27  9:00       ` Sebastian Hesselbarth
2013-06-27 18:19         ` Sascha Hauer
2013-06-27 18:27           ` Sebastian Hesselbarth [this message]
2013-07-02 18:14 ` [PATCH v3 00/10] " Sebastian Hesselbarth
2013-07-05  6:45   ` Sascha Hauer
2013-07-02 18:14 ` [PATCH v3 01/10] OF: import address related functions from Linux OF API Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 02/10] OF: convert of_translate_address to new API Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 03/10] OF: base: move OF_ROOT_NODE_ defines to local OF code Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 04/10] OF: import bus/device related functions from Linux OF API Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 05/10] OF: gpio: convert DT based gpio handling to new " Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 06/10] OF: base: use of_platform_populate for probing Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 07/10] OF: base: remove dead device related functions Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 08/10] OF: remove device and resource pointer from struct device_node Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 09/10] OF: base: convert of_add_memory to OF API Sebastian Hesselbarth
2013-07-02 18:14 ` [PATCH v3 10/10] OF: base: rename of_free to of_delete_node Sebastian Hesselbarth

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