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Date: Fri, 25 Feb 2011 13:27:47 +0100 From: Peter Korsgaard <jacmet@...site.dk> To: grant.likely@...retlab.ca Cc: dbrownell@...rs.sourceforge.net, linux-kernel@...r.kernel.org Subject: Re: [PATCHv2] mcp23s08: support mcp23s17 variant >>>>> "Peter" == Peter Korsgaard <jacmet@...site.dk> writes: Peter> mpc23s17 is very similar to the mcp23s08, except that registers Peter> are 16bit wide, so extend the interface to work with both Peter> variants. Peter> The s17 variant also has an additional address pin, so adjust Peter> platform data structure to support up to 8 devices per SPI Peter> chipselect. Peter> Signed-off-by: Peter Korsgaard <jacmet@...site.dk> Peter> --- Peter> Changes since v1: Peter> - Add mcp23s08_ops callbacks for 8 and 16 bit instead of handling both Peter> in the same accessor function as requested by Grant. Peter> - Don't use a temporary buffer for 8bit version of read_regs - Peter> Stack addresses are not DMA safe. Ping? Any comments? -- Bye, Peter Korsgaard -- 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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