linux-kernel - [PATCH 3/3 v5] usb: chipidea: put hw_phymode_configure before ci_usb_phy

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Message-Id: <1386122179-4158-3-git-send-email-chris.ruehl@gtsys.com.hk>
Date:	Wed,  4 Dec 2013 09:56:19 +0800
From:	Chris Ruehl <chris.ruehl@...ys.com.hk>
To:	peter.chen@...escale.com
Cc:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Chris Ruehl <chris.ruehl@...ys.com.hk>
Subject: [PATCH 3/3 v5] usb: chipidea: put hw_phymode_configure before  ci_usb_phy_init

usb: chipidea: put hw_phymode_configure before ci_usb_phy_init

hw_phymode_configure configures the PORTSC registers and allow the
following phy_inits to operate on the right parameters. This fix a problem
where the UPLI (ISP1504) could not be detected, because the Viewport was not
available and read the viewport return 0's only.

Signed-off-by: Chris Ruehl <chris.ruehl@...ys.com.hk>
Acked-by: Peter Chen <peter.chen@...escale.com>
---
 drivers/usb/chipidea/core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 2834801..43897dd 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -564,6 +564,8 @@ static int ci_hdrc_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	hw_phymode_configure(ci);
+
 	ret = ci_usb_phy_init(ci);
 	if (ret) {
 		dev_err(dev, "unable to init phy: %d\n", ret);
@@ -581,8 +583,6 @@ static int ci_hdrc_probe(struct platform_device *pdev)
 
 	ci_get_otg_capable(ci);
 
-	hw_phymode_configure(ci);
-
 	dr_mode = ci->platdata->dr_mode;
 	/* initialize role(s) before the interrupt is requested */
 	if (dr_mode == USB_DR_MODE_OTG || dr_mode == USB_DR_MODE_HOST) {
-- 
1.7.10.4

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