| To: | Atsushi Nemoto <anemo@mba.ocn.ne.jp> |
|---|---|
| Subject: | Re: ZONE_DMA on MIPS |
| From: | Sergei Shtylyov <sshtylyov@ru.mvista.com> |
| Date: | Mon, 19 Mar 2007 18:32:33 +0300 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <20070320.000947.88474417.anemo@mba.ocn.ne.jp> |
| Organization: | MontaVista Software Inc. |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20070320.000947.88474417.anemo@mba.ocn.ne.jp> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; rv:1.7.2) Gecko/20040803 |
Hello. Atsushi Nemoto wrote: Some ZONE_DMA patches were merged in 2.6.21. On most MIPS, ZONE_DMA is not needed, isn't it? Currently JAZZ, MALTA, QEMU, IP22, SNI_RM, RBTX4938 defines GENERIC_ISA_DMA so they may need ZONE_DMA (though I wonder QEMU or RBTX4938 really need it...) Erm, concertning the latter -- probably not, as I'm not seeing other FPCIB0 backplane support in the source. Are there any other platforms requires special DMA zone? Erm, RBHMA4[24]00 have 8259 on the backplane... And the NEC boards with the Rockhopper backplane as well... --- Atsushi Nemoto WBR, Sergei |
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