From: Wang YanQing <udknight@gmail.com>
To: gregkh@linuxfoundation.org, 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
Subject: Re: [PATCH]8250_pci: Add additional WCH CH352 device
Date: Mon, 4 Mar 2013 09:11:21 +0800 [thread overview]
Message-ID: <20130304011120.GA15022@udknight> (raw)
In-Reply-To: <20130302094555.GA9572@udknight>
On Sat, Mar 02, 2013 at 05:45:55PM +0800, Wang YanQing wrote:
> 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- <TAbort- <MAbort- >SERR- <PERR- INTx-
> Interrupt: pin A routed to IRQ 20
> Region 0: I/O ports at e010 [size=8]
> Region 1: I/O ports at e000 [size=8]
> Kernel driver in use: serial
> "
> [Note: I haven't test this patch, because I can't
> access the hardware now, but it should be right]
>
I have tested it this morning, it works.
Thanks.
next prev parent reply other threads:[~2013-03-04 1:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-02 9:45 [PATCH]8250_pci: Add additional WCH CH352 device Wang YanQing
2013-03-04 1:11 ` Wang YanQing [this message]
2013-03-05 14:19 ` Paul Gortmaker
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