From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang YanQing Subject: [PATCH]8250_pci: Add additional WCH CH352 device Date: Sat, 2 Mar 2013 17:45:55 +0800 Message-ID: <20130302094555.GA9572@udknight> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pb0-f48.google.com ([209.85.160.48]:35678 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751595Ab3CBJpJ (ORCPT ); Sat, 2 Mar 2013 04:45:09 -0500 Content-Disposition: inline Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: gregkh@linuxfoundation.org Cc: swarren@wwwdotorg.org, jslaby@suse.cz, alan@linux.intel.com, arnd@arndb.de, paul.gortmaker@windriver.com, damm@opensource.se, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org This patch fix a problem XScale port detect code in autoconfig_16550a treat 16550A port as XScale port, caused by CH352 device use the 6th bit(UART_IER_UUE) in IER as a enhance function make this bit w/r. for the below device: " 01:08.0 Serial controller: Device 4348:3253 (rev 10) (prog-if 02 [16550]) Subsystem: Device 4348:3253 Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- --- drivers/tty/serial/8250/8250_pci.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index ebcc362..be45d39 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1557,6 +1557,7 @@ pci_wch_ch353_setup(struct serial_private *priv, #define PCI_DEVICE_ID_WCH_CH353_4S 0x3453 #define PCI_DEVICE_ID_WCH_CH353_2S1PF 0x5046 #define PCI_DEVICE_ID_WCH_CH353_2S1P 0x7053 +#define PCI_DEVICE_ID_WCH_CH352_2S 0x3253 #define PCI_VENDOR_ID_AGESTAR 0x5372 #define PCI_DEVICE_ID_AGESTAR_9375 0x6872 #define PCI_VENDOR_ID_ASIX 0x9710 @@ -2180,6 +2181,14 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .subdevice = PCI_ANY_ID, .setup = pci_wch_ch353_setup, }, + /* WCH CH352 2S card (16550 clone) */ + { + .vendor = PCI_VENDOR_ID_WCH, + .device = PCI_DEVICE_ID_WCH_CH352_2S, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = pci_wch_ch353_setup, + }, /* * ASIX devices with FIFO bug */ @@ -4873,6 +4882,10 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_bt_2_115200 }, + { PCI_VENDOR_ID_WCH, PCI_DEVICE_ID_WCH_CH352_2S, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b0_bt_2_115200 }, + /* * Commtech, Inc. Fastcom adapters */ -- 1.7.11.1.116.g8228a23