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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-11-28 14:45:22 +0300
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-12-03 22:40:01 +0300
commit5ae9ce13261490e0c65d7012c366bdd3cc9e2d77 (patch)
treeed1d0f8c363905319444d2de5d6355405afe249d /drivers/platform
parent6734489667e240b14170a70dc7e72d333e93d5ad (diff)
downloadlinux-5ae9ce13261490e0c65d7012c366bdd3cc9e2d77.tar.xz
platform/x86: intel_cht_int33fe: Accept errors of i2c_acpi_new_device()
In the future i2c_acpi_new_device() will return error pointer in some cases. Prepare intel_cht_int33fe driver to support that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/intel_cht_int33fe.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c
index 431151d4e611..367d6e304ade 100644
--- a/drivers/platform/x86/intel_cht_int33fe.c
+++ b/drivers/platform/x86/intel_cht_int33fe.c
@@ -168,8 +168,14 @@ static int cht_int33fe_probe(struct platform_device *pdev)
board_info.dev_name = "max17047";
board_info.properties = max17047_props;
data->max17047 = i2c_acpi_new_device(dev, 1, &board_info);
- if (!data->max17047)
- return -EPROBE_DEFER; /* Wait for i2c-adapter to load */
+ if (IS_ERR(data->max17047))
+ ret = PTR_ERR(data->max17047);
+ else if (!data->max17047)
+ ret = -EPROBE_DEFER; /* Wait for i2c-adapter to load */
+ else
+ ret = 0;
+ if (ret)
+ return ret;
}
data->connections[0].endpoint[0] = "port0";
@@ -194,7 +200,13 @@ static int cht_int33fe_probe(struct platform_device *pdev)
board_info.irq = fusb302_irq;
data->fusb302 = i2c_acpi_new_device(dev, 2, &board_info);
- if (!data->fusb302)
+ if (IS_ERR(data->fusb302))
+ ret = PTR_ERR(data->fusb302);
+ else if (!data->fusb302)
+ ret = -EPROBE_DEFER; /* Wait for the i2c-adapter to load */
+ else
+ ret = 0;
+ if (ret)
goto out_unregister_max17047;
memset(&board_info, 0, sizeof(board_info));
@@ -202,7 +214,13 @@ static int cht_int33fe_probe(struct platform_device *pdev)
strlcpy(board_info.type, "pi3usb30532", I2C_NAME_SIZE);
data->pi3usb30532 = i2c_acpi_new_device(dev, 3, &board_info);
- if (!data->pi3usb30532)
+ if (IS_ERR(data->pi3usb30532))
+ ret = PTR_ERR(data->pi3usb30532);
+ else if (!data->pi3usb30532)
+ ret = -EPROBE_DEFER; /* Wait for the i2c-adapter to load */
+ else
+ ret = 0;
+ if (ret)
goto out_unregister_fusb302;
platform_set_drvdata(pdev, data);
@@ -217,7 +235,7 @@ out_unregister_max17047:
device_connections_remove(data->connections);
- return -EPROBE_DEFER; /* Wait for the i2c-adapter to load */
+ return ret;
}
static int cht_int33fe_remove(struct platform_device *pdev)