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Message-Id: <1352379984-18381-21-git-send-email-dragos.tatulea@intel.com>
Date:	Thu,  8 Nov 2012 15:06:18 +0200
From:	dragos.tatulea@...el.com
To:	linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
	cjb@...top.org
Cc:	kirill.shutemov@...ux.intel.com, irina.tirdea@...el.com,
	octavian.purdila@...el.com, tony.luck@...el.com,
	keescook@...omium.org, dragos.tatulea@...il.com,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH v2 20/26] mmc: sdhci: panic write: no tuning

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

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
---
 drivers/mmc/host/sdhci.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fcedcec..e096526 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1794,6 +1794,10 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
 	int err = 0;
 	bool requires_tuning_nonuhs = false;
 
+	/* Tuning may need a timer so it is not supported by the panic task */
+	if (mmc_am_panic_task(mmc))
+		return -EINVAL;
+
 	host = mmc_priv(mmc);
 
 	sdhci_runtime_pm_get(host);
-- 
1.7.9.5

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