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Date: Mon, 3 Sep 2012 11:28:42 +0300 From: Andy Shevchenko <andy.shevchenko@...il.com> To: Hein Tibosch <hein_tibosch@...oo.es> Cc: Andrew Morton <akpm@...ux-foundation.org>, viresh kumar <viresh.kumar@...aro.org>, Hans-Christian Egtvedt <egtvedt@...fundet.no>, Arnd Bergmann <arnd.bergmann@...aro.org>, "ludovic.desroches" <ludovic.desroches@...el.com>, Havard Skinnemoen <havard@...nnemoen.net>, spear-devel <spear-devel@...t.st.com>, Nicolas Ferre <nicolas.ferre@...el.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v4 3/3] avr32: at32ap700x: set DMA slave properties for MCI dw_dmac On Sun, Sep 2, 2012 at 8:54 PM, Hein Tibosch <hein_tibosch@...oo.es> wrote: > --- a/arch/avr32/mach-at32ap/at32ap700x.c > +++ b/arch/avr32/mach-at32ap/at32ap700x.c > @@ -1355,6 +1355,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data) > | DWC_CFGH_DST_PER(1)); > slave->sdata.cfg_lo &= ~(DWC_CFGL_HS_DST_POL > | DWC_CFGL_HS_SRC_POL); > + /* Setup DMA controller: let source be master */ > + slave->sdata.src_master = 1; I don't know the details, but do you want to set up dst_master as well? > + /* Limit maximum transfer width to 32-bit */ > + slave->sdata.max_mem_width = DW_MEM_WIDTH_32; It's under question regarding to my comments on previous patch. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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