From: Roger Quadros <rogerq@ti.com>
To: <felipe.balbi@linux.intel.com>, <gregkh@linuxfoundation.org>
Cc: <pawell@cadence.com>, <peter.chen@nxp.com>, <nsekhar@ti.com>,
<kurahul@cadence.com>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Roger Quadros <rogerq@ti.com>
Subject: [PATCH v2 2/2] usb: cdns3: gadget: Fix full-speed mode
Date: Wed, 16 Oct 2019 13:04:52 +0300 [thread overview]
Message-ID: <20191016100452.32613-3-rogerq@ti.com> (raw)
In-Reply-To: <20191016100452.32613-1-rogerq@ti.com>
We need to disable USB3 PHY for full-speed mode else
gadget mode is broken.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
---
drivers/usb/cdns3/gadget.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 228cdc4ab886..157536753b8c 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2571,6 +2571,7 @@ static int cdns3_gadget_start(struct cdns3 *cdns)
switch (max_speed) {
case USB_SPEED_FULL:
writel(USB_CONF_SFORCE_FS, &priv_dev->regs->usb_conf);
+ writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf);
break;
case USB_SPEED_HIGH:
writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf);
--
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next prev parent reply other threads:[~2019-10-16 10:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 10:04 [PATCH v2 0/2] usb: cdns3: fixes for 5.4-rc Roger Quadros
2019-10-16 10:04 ` [PATCH v2 1/2] usb: cdns3: fix cdns3_core_init_role() Roger Quadros
2019-10-16 10:04 ` Roger Quadros [this message]
2019-10-16 10:08 ` [PATCH v2 0/2] usb: cdns3: fixes for 5.4-rc Roger Quadros
2019-10-16 13:18 ` Greg KH
2019-10-17 7:58 ` [PATCH] usb: cdns3: Error out if USB_DR_MODE_UNKNOWN in cdns3_core_init_role() Roger Quadros
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