linux-kernel - Re: [PATCH] serial: ifx6x60: ifx_spi_write don't need to do mrdy

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Message-ID: <20121116123834.GA9327@kroah.com>
Date:	Fri, 16 Nov 2012 04:38:34 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Jun Chen <jun.d.chen@...el.com>
Cc:	Alan Cox <alan@...ux.intel.com>, Bi Chao <chao.bi@...el.com>,
	serial <linux-serial@...r.kernel.org>,
	"russ.gorby" <russ.gorby@...el.com>, linux-kernel@...r.kernel.org,
	fengguang.wu@...el.com
Subject: Re: [PATCH] serial: ifx6x60: ifx_spi_write don't need to do
 mrdy_assert when fifo is not empty.

On Fri, Nov 16, 2012 at 06:08:37AM -0500, Jun Chen wrote:
> 
> This patch check whether the fifo lenth is empty before writing new data to fifo.If condition
> is true,ifx_spi_write need to trigger one mrdy_assert. If condition is false,the mrdy_assert
> will be trigger by the next ifx_spi_io.
> 
> Cc: Bi Chao <chao.bi@...el.com>
> Signed-off-by: Chen Jun <jun.d.chen@...el.com>
> ---
>  drivers/tty/serial/ifx6x60.c |   14 +++++++++++---
>  1 files changed, 11 insertions(+), 3 deletions(-)

What tree did you make this against?  It doesn't apply to my tty-next
tree at all :(

greg k-h
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