We don't want non-GPL retu children, so force
all exported symbols to be GPL-only.

Signed-off-by: Felipe Balbi <[email protected]>
---
 drivers/cbus/retu.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/cbus/retu.c b/drivers/cbus/retu.c
index af4d96a..4c8a7ea 100644
--- a/drivers/cbus/retu.c
+++ b/drivers/cbus/retu.c
@@ -106,7 +106,7 @@ int retu_read_reg(struct device *child, unsigned reg)
 
        return __retu_read_reg(retu, reg);
 }
-EXPORT_SYMBOL(retu_read_reg);
+EXPORT_SYMBOL_GPL(retu_read_reg);
 
 /**
  * retu_write_reg - Write a value to a register in Retu
@@ -122,7 +122,7 @@ void retu_write_reg(struct device *child, unsigned reg, u16 
val)
 
        __retu_write_reg(retu, reg, val);
 }
-EXPORT_SYMBOL(retu_write_reg);
+EXPORT_SYMBOL_GPL(retu_write_reg);
 
 /**
  * retu_set_clear_reg_bits - helper function to read/set/clear bits
@@ -185,7 +185,7 @@ int retu_read_adc(struct device *child, int channel)
 
        return res;
 }
-EXPORT_SYMBOL(retu_read_adc);
+EXPORT_SYMBOL_GPL(retu_read_adc);
 
 static irqreturn_t retu_irq_handler(int irq, void *_retu)
 {
-- 
1.7.4.rc2

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