From mboxrd@z Thu Jan 1 00:00:00 1970 From: gbean@codeaurora.org (Gregory Bean) Date: Thu, 18 Nov 2010 12:30:53 -0800 (PST) Subject: [PATCH v4 2/2] msm: gpio: Add irq support to v2 gpiolib. In-Reply-To: References: <1290109970-26752-1-git-send-email-gbean@codeaurora.org> <1290109970-26752-2-git-send-email-gbean@codeaurora.org> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 18 Nov 2010, Janakiram Sistla wrote: > Can you let me know how this naming convention gpio-v2?? > > Do you mean to MSM have v1 and v2 gpio hardware ??? can not we > have one file under mach-msm as gpio.c?? The MSM8x60 is the first MSM chip to carry the second-generation, or v2, GPIO hardware block. This block is not backward compatible with the v1 block found on older MSMs, so the two drivers cannot be elegantly merged. -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.