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From: Thomas Chou <thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
To: Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>
Cc: nios2-dev-1eJk0qcHJCcaeqlQEoCUNoJY59XmG8rH@public.gmane.org,
	David Brownell
	<dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	Mike Frysinger <vapier-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH v2] spi: New driver for Altera SPI
Date: Mon, 17 Jan 2011 14:22:06 +0800	[thread overview]
Message-ID: <4D33E00E.5050802@wytron.com.tw> (raw)
In-Reply-To: <20110117165958.f89e8220.sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>

On 01/17/2011 01:59 PM, Stephen Rothwell wrote:
>> +/*
>> + * struct altera_spi_platform_data - platform data of the Altera SPI
>> + * @interrupt:	use intrrupt driven data transfer.
>> + */
>> +struct altera_spi_platform_data {
>> +	int interrupt;
>> +};
>
> Is there some reason that this struct definition cannot just be placed
> in spi_altera.c and so save a whole extra file (and its inclusion)?
>

Hi Stephen,

It is needed for board configuration file to attach this platform data, 
which is used to choose between interrupt driven data transfer or 
polling method. The data transfer rate is usually faster for polling, as 
interrupt overhead is higher.

Best regards,
Thomas

  parent reply	other threads:[~2011-01-17  6:22 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-08  6:03 [PATCH] spi: New driver for Altera SPI Thomas Chou
     [not found] ` <1254981838-20584-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-01-17  5:46   ` [PATCH v2] " Thomas Chou
     [not found]     ` <1295243200-28230-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-01-17  5:59       ` Stephen Rothwell
     [not found]         ` <20110117165958.f89e8220.sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>
2011-01-17  6:22           ` Thomas Chou [this message]
     [not found]             ` <4D33E00E.5050802-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-01-17  6:45               ` Grant Likely
     [not found]                 ` <AANLkTi=D4Rcxbei2oo+EHc6X1O-2Oo+VWHAasK_JLj5W-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-01-17  7:04                   ` [PATCH v3] " Thomas Chou
     [not found]                     ` <1295247869-4968-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-01-17  7:27                       ` Sinan Akman
     [not found]                         ` <4D33EF7C.7030005-w0xpxkV3uqlBDgjK7y7TUQ@public.gmane.org>
2011-01-18  1:33                           ` Thomas Chou
2011-01-19  1:36                           ` Thomas Chou
2011-01-17  6:56       ` [PATCH v2] " Grant Likely
     [not found]         ` <AANLkTimCvYai7mvrrHP9=EXB4L+yw3W2ad-7DU_iEzLy-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-01-17  7:13           ` [PATCH v4] " Thomas Chou
     [not found]             ` <1295248436-5049-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-01-17  7:42               ` Grant Likely
     [not found]                 ` <AANLkTinXduw54sKNa8r9sLm_Q8YjvpqAseYPhRshbNpE-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-01-24  6:38                   ` [PATCH v5] " Thomas Chou
2011-02-03 10:02                     ` [PATCH v6] " Thomas Chou
     [not found]                       ` <1296727326-2581-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-02-03 17:34                         ` Grant Likely
2011-02-05 13:08                           ` Thomas Chou
2011-02-05 14:02                           ` [PATCH v7] " Thomas Chou
2011-02-06 20:23                             ` Peter Korsgaard
     [not found]                               ` <87aai8zzd1.fsf-uXGAPMMVk8amE9MCos8gUmSdvHPH+/yF@public.gmane.org>
2011-02-08  2:43                                 ` Thomas Chou
2011-02-08  5:21                               ` [PATCH v8] " Thomas Chou
     [not found]                                 ` <1297142509-20158-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-02-14  2:10                                   ` [PATCH v9] " Thomas Chou
2011-02-14  2:20                                     ` Ryan Mallon
     [not found]                                       ` <4D58917E.9050408-7Wk5F4Od5/oYd5yxfr4S2w@public.gmane.org>
2011-02-15  7:04                                         ` Thomas Chou
     [not found]                                           ` <4D5A2591.5090901-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-02-15  9:12                                             ` Ryan Mallon
2011-02-15 19:42                                           ` Grant Likely
2011-02-15 21:58                                             ` Ryan Mallon
     [not found]                                     ` <1297649443-11491-1-git-send-email-thomas-SDxUXYEhEBiCuPEqFHbRBg@public.gmane.org>
2011-02-16  2:47                                       ` Grant Likely

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