linux-kernel - [PATCH 4/5] mmc: dw_mmc: Indicate that regulators may be absent

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Message-Id: <1375184777-25404-4-git-send-email-broonie@kernel.org>
Date:	Tue, 30 Jul 2013 12:46:16 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Liam Girdwood <lgirdwood@...il.com>, Chris Ball <cjb@...top.org>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Jaehoon Chung <jh80.chung@...sung.com>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linaro-kernel@...ts.linaro.org, Mark Brown <broonie@...aro.org>
Subject: [PATCH 4/5] mmc: dw_mmc: Indicate that regulators may be absent

From: Mark Brown <broonie@...aro.org>

Use regulator_get_optional() to tell the core that requests for regulators
can fail in a real system.

Signed-off-by: Mark Brown <broonie@...aro.org>
---
 drivers/mmc/host/dw_mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index ee5f167..5424073 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2231,7 +2231,7 @@ int dw_mci_probe(struct dw_mci *host)
 		}
 	}
 
-	host->vmmc = devm_regulator_get(host->dev, "vmmc");
+	host->vmmc = devm_regulator_get_optional(host->dev, "vmmc");
 	if (IS_ERR(host->vmmc)) {
 		ret = PTR_ERR(host->vmmc);
 		if (ret == -EPROBE_DEFER)
-- 
1.8.3.2

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