linux-kernel - [PATCH 4.14 70/71] mmc: sdhci-of-arasan: Do now show error message in case of deffered probe

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Message-Id: <20190822171730.744747146@linuxfoundation.org>
Date:   Thu, 22 Aug 2019 10:19:45 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Michal Simek <michal.simek@...inx.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 4.14 70/71] mmc: sdhci-of-arasan: Do now show error message in case of deffered probe

From: Michal Simek <michal.simek@...inx.com>

commit 60208a267208c27fa3f23dfd36cbda180471fa98 upstream.

When mmc-pwrseq property is passed mmc_pwrseq_alloc() can return
-EPROBE_DEFER because driver for power sequence provider is not probed
yet. Do not show error message when this situation happens.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mmc/host/sdhci-of-arasan.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -638,7 +638,8 @@ static int sdhci_arasan_probe(struct pla
 
 	ret = mmc_of_parse(host->mmc);
 	if (ret) {
-		dev_err(&pdev->dev, "parsing dt failed (%d)\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "parsing dt failed (%d)\n", ret);
 		goto unreg_clk;
 	}