From mboxrd@z Thu Jan 1 00:00:00 1970 From: Breno Leitao Subject: 8250_pci and OXPCIe952 Date: Tue, 09 Nov 2010 12:57:45 -0200 Message-ID: <4CD96169.2060705@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from e24smtp03.br.ibm.com ([32.104.18.24]:54036 "EHLO e24smtp03.br.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750695Ab0KIO5u (ORCPT ); Tue, 9 Nov 2010 09:57:50 -0500 Received: from mailhub3.br.ibm.com (mailhub3.br.ibm.com [9.18.232.110]) by e24smtp03.br.ibm.com (8.14.4/8.13.1) with ESMTP id oA9Eo7Bv020749 for ; Tue, 9 Nov 2010 12:50:07 -0200 Received: from d24av02.br.ibm.com (d24av02.br.ibm.com [9.8.31.93]) by mailhub3.br.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id oA9F4VgF806962 for ; Tue, 9 Nov 2010 13:04:32 -0200 Received: from d24av02.br.ibm.com (loopback [127.0.0.1]) by d24av02.br.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id oA9EvVAJ002220 for ; Tue, 9 Nov 2010 12:57:31 -0200 Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: gregkh@suse.de Cc: linux-serial@vger.kernel.org Hi Greg, I put an OXPCIe952 card on my machine (PPC), and the driver is not running fine. First of all, it identifies 8 ports, which is wrong. Also, it says 0000:01:00.1: ttyS1 at MMIO 0x3c05ff7fd200 (irq = 66) is a 16C950/954 and the driver loads without any other error, although it's not working. So, my question is: Does this driver support this chipset? Was it ever tested on PPC ? Thanks Breno --- lspci output 01:00.0 System peripheral: Oxford Semiconductor Ltd Device c20c Subsystem: Oxford Semiconductor Ltd Device c20c Flags: fast devsel, IRQ 65 Memory at 3c05ff7fb000 (32-bit, non-prefetchable) [disabled] [size=1K] Memory at 3c05ff800000 (32-bit, non-prefetchable) [disabled] [size=2M] Capabilities: [40] Power Management version 3 Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable- Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [100] Device Serial Number 00-02-00-11-11-e0-30-00 Capabilities: [110] Power Budgeting 01:00.1 Serial controller: Oxford Semiconductor Ltd Device c20d (prog-if 02 [16550]) Subsystem: Oxford Semiconductor Ltd Device c20d Flags: fast devsel, IRQ 66 Memory at 3c05ff7fc000 (32-bit, non-prefetchable) [size=16K] Memory at 3c05ffa00000 (32-bit, non-prefetchable) [size=2M] Memory at 3c05ffc00000 (32-bit, non-prefetchable) [size=2M] Capabilities: [40] Power Management version 3 Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [b0] MSI-X: Enable- Mask- TabSize=16 Capabilities: [100] Power Budgeting Kernel driver in use: serial Kernel modules: 8250_pci