From: Arnd Bergmann <arnd@arndb.de>
To: Valentine Barshak <vbarshak@ru.mvista.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] PowerPC: Add legacy serial support for OPB with flattened device tree.
Date: Thu, 11 Oct 2007 23:10:49 +0200 [thread overview]
Message-ID: <200710112310.50582.arnd@arndb.de> (raw)
In-Reply-To: <20071011190925.GA22704@ru.mvista.com>
On Thursday 11 October 2007, Valentine Barshak wrote:
> Currently find_legacy_serial_ports() can find no serial ports on the OPB
> with flattened device. Thus no legacy boot console can be initialized.
> Just the early udbg console works, which is initialized with udbg_init_44x_as1
> on the UART's physical address specified in kernel config. This happens
> because we look for ns16750 serial devices only and expect opb node to have
> a device type property. This patch makes it look for ns16550-compatible
> devices and use of_device_is_compatible() for opb in case device type is not
> specified.
>
> Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Looks correct for QS21 now.
Acked-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2007-10-11 21:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-11 15:26 [PATCH] PowerPC: Fix find_legacy_serial_ports on OPB Valentine Barshak
2007-10-11 15:50 ` Arnd Bergmann
2007-10-11 15:53 ` Josh Boyer
2007-10-11 17:09 ` Arnd Bergmann
2007-10-11 19:09 ` [PATCH] PowerPC: Add legacy serial support for OPB with flattened device tree Valentine Barshak
2007-10-11 21:10 ` Arnd Bergmann [this message]
2007-10-11 17:26 ` [PATCH] PowerPC: Fix find_legacy_serial_ports on OPB Valentine Barshak
2007-10-11 18:31 ` Josh Boyer
2007-10-12 2:31 ` David Gibson
2007-10-12 11:49 ` Josh Boyer
2007-10-11 18:49 ` Valentine Barshak
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