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Message-ID: <4B05D44B.9010606@garzik.org>
Date: Thu, 19 Nov 2009 18:27:07 -0500
From: Jeff Garzik <jeff@...zik.org>
To: Thomas Chou <thomas@...ron.com.tw>
CC: linux-ide@...r.kernel.org,
Nios2 development list <nios2-dev@...c.et.ntust.edu.tw>,
linux-kernel@...r.kernel.org, Ian Abbott <abbotti@....co.uk>
Subject: Re: [PATCH v2] ata: New PATA driver for Altera CompactFlash.
On 10/07/2009 09:58 PM, Thomas Chou wrote:
> This patch adds a new PATA driver to support the Altera SOPC Builder
> CompactFlash component as a PATA device with support for insertion
> and removal of CF cards. It uses the platform driver model.
>
> For each probed platform device, the driver spawns a kthread to
> handle insertion and removal of CF cards by creating and removing the
> underlying ATA host interface. The Altera CompactFlash component
> includes a register bit to indicate whether a CF card is detected
> and an interrupt triggered when this bit changes. The driver has a
> handler for this interrupt which flags that something has changed and
> wakes up the kthread to deal with it.
>
> The platform device uses 2 IORESOURCE_MEM resources and 2
> IORESOURCE_IRQ resources. The first memory resource is for the
> CompactFlash component's IDE registers and the second is for the
> component's CF status and control registers. The first IRQ resource
> is for the IDE and the second is for the CF detection interrupt.
>
> Signed-off-by: Ian Abbott<abbotti@....co.uk>
> Signed-off-by: Thomas Chou<thomas@...ron.com.tw>
> ---
> drivers/ata/Kconfig | 11 +
> drivers/ata/Makefile | 1 +
> drivers/ata/pata_altera_cf.c | 582 ++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 594 insertions(+), 0 deletions(-)
> create mode 100644 drivers/ata/pata_altera_cf.c
Ping... still waiting on v3, updated with Alan's feedback.
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