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

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Message-Id: <c9688c600633ce9f4d7b6319366116e6e7c4b97d.1533544988.git.michal.simek@xilinx.com>
Date:   Mon,  6 Aug 2018 10:43:10 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu
Cc:     Adrian Hunter <adrian.hunter@...el.com>, linux-mmc@...r.kernel.org,
        Jaehoon Chung <jh80.chung@...sung.com>, u-boot@...ts.denx.de,
        linux-arm-kernel@...ts.infradead.org,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH] mmc: sdhci-of-arasan: Do now show error message in case of deffered probe

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>
---

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

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index e3332a522a5d..e65f3bce3643 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -772,7 +772,8 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
 
 	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;
 	}
 
-- 
1.9.1