From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] arm: omap4: pandaboard: turn on PHY reference clock at init Date: Mon, 10 Jan 2011 11:12:01 -0800 Message-ID: <20110110191201.GG4957@atomide.com> References: <1294670535-9059-1-git-send-email-gadiyar@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-next-owner@vger.kernel.org To: Paul Walmsley Cc: Anand Gadiyar , linux-omap@vger.kernel.org, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Greg KH , Felipe Balbi , Stephen Rothwell , Benoit Cousson List-Id: linux-omap@vger.kernel.org * Paul Walmsley [110110 10:51]: > On Mon, 10 Jan 2011, Anand Gadiyar wrote: > > > The SMSC 3320 USB PHY on the OMAP4 Pandaboard needs a 19.2 MHz > > reference clock. This clock is provided from the OMAP4's fref_clk3 > > pad. > > > > Recent changes to clock44xx_data.c made the clock framework aware > > of the existence of these fref_clk[i] lines. If the option > > CONFIG_OMAP_RESET_CLOCKS is enabled in the kernel, then the > > clock framework will turn these clocks off during bootup. > > > > Explicitly request and keep this clock enabled at init for the > > Pandaboard, so that the PHY receives this clock at all times. > > > > Reported-by: Ming Lei > > Signed-off-by: Anand Gadiyar > > Cc: Benoit Cousson > > Cc: Paul Walmsley > > Cc: Tony Lindgren > > Reviewed-by: Paul Walmsley Will queue as a fix. Tony