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-rw-r--r--src/sam3/i2c.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/src/sam3/i2c.c b/src/sam3/i2c.c
index ed9e4a03..27a04738 100644
--- a/src/sam3/i2c.c
+++ b/src/sam3/i2c.c
@@ -28,10 +28,7 @@
static void
i2c_init(Twi *p_twi, uint32_t rate)
{
- uint32_t twi_id = (p_twi == TWI0) ? ID_TWI0 : ID_TWI1;
- if ((PMC->PMC_PCSR0 & (1u << twi_id)) == 0) {
- PMC->PMC_PCER0 = 1 << twi_id;
- }
+ enable_pclock(p_twi == TWI0 ? ID_TWI0 : ID_TWI1);
if (p_twi == TWI0) {
gpio_peripheral(TWI0_SCL_GPIO, 'A', 0);
gpio_peripheral(TWI0_SDA_GPIO, 'A', 0);