linux-kernel - [PATCH 4.4 141/342] mmc: pxamci: fix again read-only gpio detection polarity

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Message-Id: <20160301234532.527395001@linuxfoundation.org>
Date:	Tue, 01 Mar 2016 23:54:30 +0000
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	<linux-kernel@...r.kernel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<stable@...r.kernel.org>, Andrea Adami <andrea.adami@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 4.4 141/342] mmc: pxamci: fix again read-only gpio detection polarity

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Robert Jarzmik <robert.jarzmik@...e.fr>

commit 41c89159a6ae5472d39ed8bded5b3b4e07a37944 upstream.

The commit fixing the conversion of pxamci to slot-gpio API fixed the
inverted the logic of the read-only gpio. Unfortunately, the commit was
tested on a non-inverted gpio, and not on the inverted one. And the fix
did work partially, by luck.

This is the remaining missing part of the fix, trivial but still necessary.

Fixes: Fixes: 26d49fe71953 ("mmc: pxamci: fix read-only gpio detection polarity")
Reported-by: Andrea Adami <andrea.adami@...il.com>
Tested-by: Andrea Adami <andrea.adami@...il.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mmc/host/pxamci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -804,7 +804,7 @@ static int pxamci_probe(struct platform_
 		dev_err(&pdev->dev, "Failed requesting gpio_ro %d\n", gpio_ro);
 		goto out;
 	} else {
-		mmc->caps |= host->pdata->gpio_card_ro_invert ?
+		mmc->caps2 |= host->pdata->gpio_card_ro_invert ?
 			0 : MMC_CAP2_RO_ACTIVE_HIGH;
 	}