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[PATCH 4.4 144/342] mmc: sdhci: Allow override of get_cd() called from sdhci_request()

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  [PATCH 4.4 144/342] mmc: sdhci: Allow override of get_cd() called from sdhci_request() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-02 02:00 +0100

#1347375 — [PATCH 4.4 144/342] mmc: sdhci: Allow override of get_cd() called from sdhci_request()

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

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

From: Adrian Hunter <adrian.hunter@intel.com>

commit 8d28b7a72fe18bcdcdb047243ba8fec36b149955 upstream.

Drivers may need to provide their own get_cd() mmc host op, but
currently the internals of the current op (sdhci_get_cd()) are
provided by sdhci_do_get_cd() which is also called from
sdhci_request().

To allow override of the get_cd functionality, change sdhci_request()
to call ->get_cd() instead of sdhci_do_get_cd().

Note, in the future the call to ->get_cd() will likely be removed
from sdhci_request() since most drivers don't need actually it.
However this change is being done now to facilitate a subsequent
bug fix.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1367,7 +1367,7 @@ static void sdhci_request(struct mmc_hos
 	sdhci_runtime_pm_get(host);
 
 	/* Firstly check card presence */
-	present = sdhci_do_get_cd(host);
+	present = mmc->ops->get_cd(mmc);
 
 	spin_lock_irqsave(&host->lock, flags);

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