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Tue, 11 Jun 2019 13:59:31 +0800 Message-ID: <1560232771.8487.120.camel@mhfsdcap03> Subject: Re: [PATCH v6 09/10] usb: roles: add USB Type-B GPIO connector driver From: Chunfeng Yun To: Nagarjuna Kristam Date: Tue, 11 Jun 2019 13:59:31 +0800 In-Reply-To: <9640aa29-bc96-ded1-e757-e885bda354a8@nvidia.com> References: <1559115828-19146-1-git-send-email-chunfeng.yun@mediatek.com> <1559115828-19146-10-git-send-email-chunfeng.yun@mediatek.com> <9640aa29-bc96-ded1-e757-e885bda354a8@nvidia.com> X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190610_225944_021555_45CFB7D2 X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Heikki Krogerus , Hans de Goede , Greg Kroah-Hartman , Linus Walleij , linux-usb@vger.kernel.org, Yu Chen , linux-kernel@vger.kernel.org, Biju Das , Badhri Jagan Sridharan , Andy Shevchenko , Rob Herring , linux-mediatek@lists.infradead.org, Min Guo , Matthias Brugger , Adam Thomson , linux-arm-kernel@lists.infradead.org, Li Jun Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 2019-06-10 at 16:03 +0530, Nagarjuna Kristam wrote: > Tested-by: Nagarjuna Kristam > Thanks > On 29-05-2019 13:13, Chunfeng Yun wrote: > > Due to the requirement of usb-connector.txt binding, the old way > > using extcon to support USB Dual-Role switch is now deprecated > > when use Type-B connector. > > This patch introduces a driver of Type-B connector which typically > > uses an input GPIO to detect USB ID pin, and try to replace the > > function provided by extcon-usb-gpio driver > > > > Signed-off-by: Chunfeng Yun > > --- > > v6 changes: > > 1. get usb-role-swtich by usb_role_switch_get() > > > > v5 changes: > > 1. put usb_role_switch when error happens suggested by Biju > > 2. don't treat bype-B connector as a virtual device suggested by Rob > > > > v4 changes: > > 1. remove linux/gpio.h suggested by Linus > > 2. put node when error happens > > > > v3 changes: > > 1. treat bype-B connector as a virtual device; > > 2. change file name again > > > > v2 changes: > > 1. file name is changed > > 2. use new compatible > > --- > > drivers/usb/roles/Kconfig | 11 ++ > > drivers/usb/roles/Makefile | 1 + > > drivers/usb/roles/typeb-conn-gpio.c | 286 ++++++++++++++++++++++++++++ > > 3 files changed, 298 insertions(+) > > create mode 100644 drivers/usb/roles/typeb-conn-gpio.c > > > > diff --git a/drivers/usb/roles/Kconfig b/drivers/usb/roles/Kconfig > > index f8b31aa67526..d1156e18a81a 100644 > > --- a/drivers/usb/roles/Kconfig > > +++ b/drivers/usb/roles/Kconfig > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel