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i2c: acpi: export i2c_acpi_find_adapter_by_handle

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This allows drivers to lookup i2c adapters on ACPI based systems similar to
of_get_i2c_adapter_by_node() with DT based systems.

Signed-off-by: Ruslan Babayev <ruslan@babayev.com>
Cc: xe-linux-external@cisco.com
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ruslan Babayev
2019-05-28 16:02:32 -07:00
committed by David S. Miller
parent 517f4c49aa
commit 1e91a2e5d8
2 changed files with 8 additions and 1 deletions
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3
drivers/i2c/i2c-core-acpi.c
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@@ -337,7 +337,7 @@ static int i2c_acpi_find_match_device(struct device *dev, void *data)
return ACPI_COMPANION(dev) == data;
}
static struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
{
struct device *dev;
@@ -345,6 +345,7 @@ static struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
i2c_acpi_find_match_adapter);
return dev ? i2c_verify_adapter(dev) : NULL;
}
EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle);
static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
{