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authorRuslan Babayev <ruslan@babayev.com>2019-05-29 02:02:32 +0300
committerDavid S. Miller <davem@davemloft.net>2019-05-30 21:27:46 +0300
commit1e91a2e5d827e643cbabad66d133f155a7fcb0de (patch)
tree7071fef48f4b3e36381f0c0d278da546592afbca /drivers/i2c
parent517f4c49aafce3d2c3ac54ae0bb36f2c76e57fe8 (diff)
downloadlinux-1e91a2e5d827e643cbabad66d133f155a7fcb0de.tar.xz
i2c: acpi: export i2c_acpi_find_adapter_by_handle
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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/i2c-core-acpi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 272800692088..964687534754 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -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)
{