From 24644035d52a9da2af319dd05b1a580a0a7069a0 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Sat, 3 May 2014 21:31:57 -0300 Subject: [PATCH] [media] smiapp: Return correct return value in smiapp_registered() Prepare for supporting systems using the Device tree. Should the resources not be available at the time of driver probe(), the EPROBE_DEFER error code must be also returned from its probe function. Signed-off-by: Sakari Ailus Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/smiapp/smiapp-core.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index 8d01711..06fb032 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -2358,14 +2358,14 @@ static int smiapp_registered(struct v4l2_subdev *subdev) sensor->vana = devm_regulator_get(&client->dev, "vana"); if (IS_ERR(sensor->vana)) { dev_err(&client->dev, "could not get regulator for vana\n"); - return -ENODEV; + return PTR_ERR(sensor->vana); } if (!sensor->platform_data->set_xclk) { sensor->ext_clk = devm_clk_get(&client->dev, "ext_clk"); if (IS_ERR(sensor->ext_clk)) { dev_err(&client->dev, "could not get clock\n"); - return -ENODEV; + return PTR_ERR(sensor->ext_clk); } rval = clk_set_rate(sensor->ext_clk, @@ -2374,18 +2374,19 @@ static int smiapp_registered(struct v4l2_subdev *subdev) dev_err(&client->dev, "unable to set clock freq to %u\n", sensor->platform_data->ext_clk); - return -ENODEV; + return rval; } } if (gpio_is_valid(sensor->platform_data->xshutdown)) { - if (devm_gpio_request_one(&client->dev, - sensor->platform_data->xshutdown, 0, - "SMIA++ xshutdown") != 0) { + rval = devm_gpio_request_one( + &client->dev, sensor->platform_data->xshutdown, 0, + "SMIA++ xshutdown"); + if (rval < 0) { dev_err(&client->dev, "unable to acquire reset gpio %d\n", sensor->platform_data->xshutdown); - return -ENODEV; + return rval; } } -- 2.7.4