From: Joe Perches <joe@perches.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Emil Goode <emilgoode@gmail.com>,
Stepan Moskovchenko <stepanm@codeaurora.org>,
balbi@ti.com, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] usb: musb: use the new %pa format specifier for dma_addr_t
Date: Sat, 01 Jun 2013 22:16:00 +0000 [thread overview]
Message-ID: <1370124960.2098.9.camel@joe-AO722> (raw)
In-Reply-To: <51AA6E1F.7080003@infradead.org>
On Sat, 2013-06-01 at 14:56 -0700, Randy Dunlap wrote:
> It's a bit of a shame that this
> comment was deleted from include/asm-generic/types.h in commit
> 3e50594e8e72932ad4cfcb0b3cbdf58fc3bce416:
>
> -/*
> - * DMA addresses may be very different from physical addresses
> - * and pointers. i386 and powerpc may have 64 bit DMA on 32 bit
> - * systems, while sparc64 uses 32 bit DMA addresses for 64 bit
> - * physical addresses.
> - * This default defines dma_addr_t to have the same size as
> - * phys_addr_t, which is the most common way.
> - * Do not define the dma64_addr_t type, which never really
> - * worked.
> - */
Hey Randy.
You could always put it back.
next prev parent reply other threads:[~2013-06-01 22:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-01 18:02 [PATCH] usb: musb: use the new %pa format specifier for dma_addr_t Emil Goode
2013-06-01 18:29 ` Joe Perches
2013-06-01 19:09 ` Emil Goode
2013-06-01 20:31 ` Joe Perches
2013-06-01 21:56 ` Randy Dunlap
2013-06-01 22:16 ` Joe Perches [this message]
2013-06-01 23:06 ` Emil Goode
2013-06-01 23:22 ` Joe Perches
2013-06-02 13:32 ` Emil Goode
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