linux-kernel - [PATCH AUTOSEL 4.4 09/14] ata: libahci: do not complain in case of deferred probe

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Message-Id: <20190806213749.20689-9-sashal@kernel.org>
Date:   Tue,  6 Aug 2019 17:37:43 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>, Sasha Levin <sashal@...nel.org>,
        linux-ide@...r.kernel.org
Subject: [PATCH AUTOSEL 4.4 09/14] ata: libahci: do not complain in case of deferred probe

From: Miquel Raynal <miquel.raynal@...tlin.com>

[ Upstream commit 090bb803708198e5ab6b0046398c7ed9f4d12d6b ]

Retrieving PHYs can defer the probe, do not spawn an error when
-EPROBE_DEFER is returned, it is normal behavior.

Fixes: b1a9edbda040 ("ata: libahci: allow to use multiple PHYs")
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/ata/libahci_platform.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index cd2eab6aa92ea..65371e1befe8a 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -300,6 +300,9 @@ static int ahci_platform_get_phy(struct ahci_host_priv *hpriv, u32 port,
 		hpriv->phys[port] = NULL;
 		rc = 0;
 		break;
+	case -EPROBE_DEFER:
+		/* Do not complain yet */
+		break;
 
 	default:
 		dev_err(dev,
-- 
2.20.1