From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Mundt Date: Wed, 25 May 2011 08:08:50 +0000 Subject: Re: [PATCH 2/2 v2] ARM: mach-shmobile: mackerel: add renesas_usbhs support for USB1 Message-Id: <20110525080846.GA28640@linux-sh.org> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On Wed, May 25, 2011 at 04:56:25PM +0900, Kuninori Morimoto wrote: > renesas_usbhs driver can use external interrupt mode > (which come from USB-PHY) or autonomy mode (it use own interrupt) > for detecting connection/disconnection when Function. > And it will be power OFF while it has been disconnecting > if external interrupt mode is selected. > > mackerel board has 2 USB ports. > > But we can not use external interrupt mode > on CN22 USB0 port which is only for USB Function. > IRQ7-PORT40 is already used by Touchscreen, > and USB-PHY needs IRQ7-PORT167. > It is impossible to use IRQ7 demux on mackerel. > > We can use external interrupt mode USB-Function on "USB1". > USB1 can become Host by r8a66597, and become Function by renesas_usbhs. > But don't select both drivers in same time. > These 2 drivers are not supporting IRQ SHARD. > > Signed-off-by: Kuninori Morimoto Looks better, applied, thanks.