From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: 4.16 OMAP serial transmit corruption? Date: Mon, 16 Apr 2018 08:52:59 -0700 Message-ID: <20180416155259.GB5671@atomide.com> References: <20180416151732.GU16141@n2100.armlinux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20180416151732.GU16141@n2100.armlinux.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Russell King - ARM Linux Cc: Greg Kroah-Hartman , linux-omap@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org * Russell King - ARM Linux [180416 15:19]: > Since this uses a USB adapter (built onto the board) it could be > that there could be a bug in the driver for that rather than the > OMAP4430 SDP, but I've no way to check that hypothesis. Does it go away when you do a warm reboot of the sdp? Then it should not be related to the USB iff the ftdi chip is bus powered by VBUS. Regards, Tony