[PATCH v5 2/3] i2c: acpi: Initialize info.type from of_compatible

[Dan O'Donovan <dan-M3NBUjLqch7QT0dZR+AlfA@public.gmane.org>]

When using devicetree i2c_board_info.type is set to the compatible
string with the vendor prefix removed. For I2C devices described via
ACPI the i2c_board_info.type string is set to the ACPI device name. When
using ACPI and DT ids this string ends up something like "PRP0001:00".

If the of_compatible property is present try to use that instead. This
makes it easier to instantiate i2c drivers through ACPI with DT ids.

Signed-off-by: Dan O'Donovan <dan-M3NBUjLqch7QT0dZR+AlfA@public.gmane.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Reviewed-by: Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Tested-by: Jarkko Nikula <jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Acked-by: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
---
 drivers/i2c/i2c-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 583e950..28d2181 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -221,7 +221,8 @@ static int i2c_acpi_get_info(struct acpi_device *adev,
 
 	acpi_dev_free_resource_list(&resource_list);
 
-	strlcpy(info->type, dev_name(&adev->dev), sizeof(info->type));
+	acpi_set_modalias(adev, dev_name(&adev->dev),
+			  info->type, sizeof(info->type));
 
 	return 0;
 }
-- 
2.7.4

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