From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonard Crestez Subject: [RFC 1/8] ARM: imx: gpc: Do not print error message for EPROBE_DEFER Date: Wed, 22 Mar 2017 18:53:03 +0200 Message-ID: <3f579c378e1bbc2d78674e0846b937b8e69706ce.1490199005.git.leonard.crestez@nxp.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Mark Brown , Liam Girdwood , Viresh Kumar , "Rafael J. Wysocki" , Shawn Guo , Sascha Hauer Cc: Mark Rutland , devicetree@vger.kernel.org, Leonard Crestez , Anson Huang , Irina Tirdea , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Octavian Purdila , Fabio Estevam , Robin Gong , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org The pu regulator request will return -EPROBE_DEFER if it has a supply from PMIC and this supply is not yet registered. This does not represent an error since the driver will call probe again later, so only print a warning message in this case. Signed-off-by: Irina Tirdea Signed-off-by: Leonard Crestez --- arch/arm/mach-imx/gpc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 1dc2a34..ce64d11 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -466,7 +466,11 @@ static int imx_gpc_probe(struct platform_device *pdev) pu_reg = NULL; if (IS_ERR(pu_reg)) { ret = PTR_ERR(pu_reg); - dev_err(&pdev->dev, "failed to get pu regulator: %d\n", ret); + if (ret == -EPROBE_DEFER) + dev_dbg(&pdev->dev, "pu regulator not ready, retry\n"); + else + dev_err(&pdev->dev, "failed to get pu regulator: %d\n", + ret); return ret; } -- 2.7.4