2012/2/9 Michal Nazarewicz <mina86@xxxxxxxxxx>: > On Thu, 09 Feb 2012 09:36:47 +0100, Pratyush Anand > <pratyush.anand@xxxxxxxxx> wrote: >> >> I have a scenario where my usb device can access only a particular >> area of DDR. > > [...] > >> Normally we allocate memory for buffer using kmalloc. Is it possible >> to allocate memory using some other API, which can provide memory >> from desired location. >> >> One way could be to associate custom memory with the struct device and >> then >> use dma_alloc_coherent to allocate it. > > > This might be a cannon, but have you looked at Contiguous Memory Allocator, > which was recently posted to linux-mm? From drivers point of view you'll > use DMA APIs though, so no change there. > Thanks , I will look into it. > -- > Best regards, _ _ > .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o > ..o | Computer Science, Michał “mina86” Nazarewicz (o o) > ooo +----<email/xmpp: mpn@xxxxxxxxxx>--------------ooO--(_)--Ooo-- -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
