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Message-ID: <20110312082906.GC9347@angua.secretlab.ca> Date: Sat, 12 Mar 2011 01:29:06 -0700 From: Grant Likely <grant.likely@...retlab.ca> To: Peter Korsgaard <jacmet@...site.dk> Cc: dbrownell@...rs.sourceforge.net, linux-kernel@...r.kernel.org Subject: Re: [PATCHv2-RESEND] mcp23s08: support mcp23s17 variant On Wed, Mar 09, 2011 at 05:56:30PM +0100, Peter Korsgaard wrote: > mpc23s17 is very similar to the mcp23s08, except that registers are 16bit > wide, so extend the interface to work with both variants. > > The s17 variant also has an additional address pin, so adjust platform > data structure to support up to 8 devices per SPI chipselect. > > Signed-off-by: Peter Korsgaard <jacmet@...site.dk> Merged, thanks. g. > --- > Resend without any changes since v2 on Feb 15th. > > Changes since v1: > - Add mcp23s08_ops callbacks for 8 and 16 bit instead of handling both > in the same accessor function as requested by Grant. > - Don't use a temporary buffer for 8bit version of read_regs - > Stack addresses are not DMA safe. > > drivers/gpio/Kconfig | 6 +- > drivers/gpio/mcp23s08.c | 191 +++++++++++++++++++++++++++++++----------- > include/linux/spi/mcp23s08.h | 15 ++-- > 3 files changed, 155 insertions(+), 57 deletions(-) > -- 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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