From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.chen@freescale.com (Peter Chen) Date: Thu, 31 Jan 2013 11:08:54 +0800 Subject: [PATCH 4/6] usb: chipidea: add PTW and PTS handling In-Reply-To: <1359559782-14552-5-git-send-email-s.hauer@pengutronix.de> References: <1359559782-14552-1-git-send-email-s.hauer@pengutronix.de> <1359559782-14552-5-git-send-email-s.hauer@pengutronix.de> Message-ID: <20130131030853.GG9777@nchen-desktop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jan 30, 2013 at 04:29:40PM +0100, Sascha Hauer wrote: > From: Michael Grzeschik > > +static void hw_phymode_configure(struct ci13xxx *ci) > +{ > + u32 portsc; > + > + /* > + * The lpm version has the corresponding bits in the devlc register. > + * Currently not implemented. > + */ > + if (ci->hw_bank.lpm) > + return; > + > + switch (ci->platdata->phy_mode) { > + case USBPHY_INTERFACE_MODE_UTMI: > + portsc = PORTSC_PTS_PTW_UTMI; > + break; > + case USBPHY_INTERFACE_MODE_UTMIW: > + portsc = PORTSC_PTS_PTW_UTMIW; > + break; > + case USBPHY_INTERFACE_MODE_ULPI: > + portsc = PORTSC_PTS_PTW_ULPI; > + break; > + case USBPHY_INTERFACE_MODE_SERIAL: > + portsc = PORTSC_PTS_PTW_SERIAL; > + break; > + case USBPHY_INTERFACE_MODE_HSIC: > + portsc = PORTSC_PTS_PTW_HSIC; > + break; > + default: > + return; > + } > + > + hw_write(ci, OP_PORTSC, PORTSC_PTS_PTW, portsc); > + > + mdelay(10); Please use usleep_range, can we recall which platform needs it? As we as I know, there is no such delay at FSL internal release code. -- Best Regards, Peter Chen