From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V3 09/11] ARM/PPC: add a common way to access registers
Date: Tue, 26 Jan 2010 10:09:08 +0100 [thread overview]
Message-ID: <4B5EB134.6090403@denx.de> (raw)
In-Reply-To: <20100125230425.86A1BD334C9@gemini.denx.de>
Wolfgang Denk wrote:
>> +/* Clear and set bits in one shot. These macros can be used to
clear and
>> + * set multiple bits in a register using a single call. These macros can
>> + * also be used to set a multiple-bit bit pattern using a mask, by
>> + * specifying the mask in the 'clear' parameter and the new bit pattern
>> + * in the 'set' parameter.
>> + */
>
> Incorrect multi-line comment style.
Sorry, you have already found this point. I forgot to change it.
> What exactly is the definition of a "register" here? Is this memory
> mapped I/O?
Yes, they are.
>
> and - should we really invent our own, private way of doing this?
> Should we not rather reuse definitions already present in Linux?
>
> How about using ioread*()/iowrite*() instead?
You are right. I will replace them.
Best regards,
Stefano Babic
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next prev parent reply other threads:[~2010-01-26 9:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-20 17:22 [U-Boot] [PATCH V3 09/11] ARM/PPC: add a common way to access registers Stefano Babic
2010-01-25 23:04 ` Wolfgang Denk
2010-01-26 9:09 ` Stefano Babic [this message]
2010-02-05 14:07 ` [U-Boot] [PATCH V4 09/11] ARM: add accessors functions Stefano Babic
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