linux-kernel - [PATCH 3/3] mfd: asic3: Add PCMCIA/CF support

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Message-ID: <1333644304.97070.YahooMailClassic@web29013.mail.ird.yahoo.com>
Date:	Thu, 5 Apr 2012 17:45:04 +0100 (BST)
From:	Paul Parsons <lost.distance@...oo.com>
To:	sameo@...ux.intel.com
Cc:	linux-kernel@...r.kernel.org, philipp.zabel@...il.com
Subject: [PATCH 3/3] mfd: asic3: Add PCMCIA/CF support

This patch is part of a set which adds PCMCIA/CF support for the hx4700.
This patch adds asic3_set_register() calls to:
1. Enable the PCMCIA/CF in asic3_probe().
2. Disable the PCMCIA/CF in asic3_remove().

Signed-off-by: Paul Parsons <lost.distance@...oo.com>
Cc: Philipp Zabel <philipp.zabel@...il.com>
---
 drivers/mfd/asic3.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 1895cf9..0c083e7 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -998,6 +998,9 @@ static int __init asic3_probe(struct platform_device *pdev)
 
 	asic3_mfd_probe(pdev, pdata, mem);
 
+	asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT),
+		(ASIC3_EXTCF_CF0_BUF_EN|ASIC3_EXTCF_CF0_PWAIT_EN), 1);
+
 	dev_info(asic->dev, "ASIC3 Core driver\n");
 
 	return 0;
@@ -1019,6 +1022,9 @@ static int __devexit asic3_remove(struct platform_device *pdev)
 	int ret;
 	struct asic3 *asic = platform_get_drvdata(pdev);
 
+	asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT),
+		(ASIC3_EXTCF_CF0_BUF_EN|ASIC3_EXTCF_CF0_PWAIT_EN), 0);
+
 	asic3_mfd_remove(pdev);
 
 	ret = asic3_gpio_remove(pdev);
-- 
1.7.3.4

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