Re: [PATCH] clean up access to locomo registers | |
| [Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] | |
Russell King - ARM Linux wrote:
> On Wed, Jul 23, 2008 at 04:17:11PM +0200, Thomas Kunze wrote:
>> the locomo registers are accessed through ioremaped memory. Currently
>> register read/writes use the locomo_readl/writel macros defined in
>> include/asm-arm/hardware/locomo.h. This patch replaces the nonstandard
>> locomo_readl/locomo_writel with the standard ioread16/iowrite16 calls.
>> The conversion to 16 bit access is intended. The locomo registers have
>> a size of 16 bit.
>
> As I've said elsewhere, the readw/writew interfaces aren't deprecated.
> If you only support MMIO (which, if you're using only ioremap on
> resources, that's the case) then there's absolutely no point using
> io{read,write}*.
>
readw/writew aren't deprecated, however using direct memory access (like
locomo_readl/locomo_writel) surely is.
--
With best wishes
Dmitry
-------------------------------------------------------------------
List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel
FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php
Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php
[Site Home] [Linux Arm] [Fedora ARM] [Gcc Help] [Git] [DCCP] [IETF Announce] [Security] [PDAs] [Linux] [Linux Book List] [Linux MIPS] [Yosemite Campsites] [Photos]
![]() |
|