Messages in this thread | | | Date | Mon, 26 Aug 2002 23:43:23 -0700 (PDT) | Subject | Re: readsw/writesw readsl/writesl | From | "David S. Miller" <> |
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From: Andre Hedrick <andre@linux-ide.org> Date: Mon, 26 Aug 2002 23:23:22 -0700 (PDT)
Would you consider these for each arch as there are coresponding one for IOMIO, and life would be better if we had a standard set for MMIO.
Please consider the request.
I responded to the private email I got on this subject. I forget who asked me this, but they said they were working on this IDE stuff.
My response was that io_barrier() shall be defined on all platforms in asm/io.h and that you can then define your ide_read{l,w,b} as:
__raw_raw{l,w,b}(...); io_barrier();
So instead of having a million read* variations, we have one that is standard usage (little endian + I/O barrier) and then a raw variant where the cpu does nothing special and you have to byte-twiddle and barrier explicitly. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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