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Date: Fri, 4 Nov 2011 12:13:50 -0400 From: Thomas Abraham <thomas.abraham@...aro.org> To: Chanho Park <chanho61.park@...sung.com> Cc: linus.walleij@...aro.org, swarren@...dia.com, Barry.Song@....com, Rongjun.Ying@....com, linux-kernel@...r.kernel.org, Kyungmin Park <kyungmin.park@...sung.com>, Deepak Saxena <deepak.saxena@...aro.org> Subject: Re: [PATCHv2] drivers: pinctrl: add a pin_base for sparse gpio-ranges Hi Chanho Park, On 28 October 2011 01:41, Chanho Park <chanho61.park@...sung.com> wrote: > This patch enables mapping a base offset of gpio ranges with > a pin offset even if does'nt matched. A "base" of pinctrl_gpio_range > means a start offset of gpio. However, we cannot convert gpio to pin > number for sparse gpio ranges just only using a gpio base offset. > We can convert a gpio to real pin number using a new pin_base > (which means a base pin offset of requested gpio range). > If the pin_base is not specified explicitly, the controller sybsystem > makes to equal with gpio's base offset. Now, a pinctrl subsystem passes > the pin number to the driver instead a offset. Just wanted to check with you if you have started the implementation of pinctrl driver for Samsung platforms or do plan to start on it? Thanks, Thomas. [...] -- 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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