stm32: i2c: drop i2c_reset()

It's simply a wrapper around rcc_reset_pulse already.
Just drop it. See 034dbf20ff for the same deletion for timers.

Signed-off-by: Karl Palsson <karlp@tweak.au>

include/libopencm3/stm32/common/i2c_common_v1.h

@@ -385,7 +385,6 @@ enum i2c_speeds {
 
 BEGIN_DECLS
 
-void i2c_reset(uint32_t i2c);
 void i2c_peripheral_enable(uint32_t i2c);
 void i2c_peripheral_disable(uint32_t i2c);
 void i2c_send_start(uint32_t i2c);

include/libopencm3/stm32/common/i2c_common_v2.h

@@ -402,7 +402,6 @@ enum i2c_speeds {
 
 BEGIN_DECLS
 
-void i2c_reset(uint32_t i2c);
 void i2c_peripheral_enable(uint32_t i2c);
 void i2c_peripheral_disable(uint32_t i2c);
 void i2c_send_start(uint32_t i2c);

lib/stm32/common/i2c_common_v1.c

@@ -41,40 +41,6 @@ register access, Error conditions
 
 /**@{*/
 
-/*---------------------------------------------------------------------------*/
-/** @brief I2C Reset.
-
-The I2C peripheral and all its associated configuration registers are placed in
-the reset condition. The reset is effected via the RCC peripheral reset system.
-
-@param[in] i2c Unsigned int32. I2C peripheral identifier @ref i2c_reg_base.
-*/
-
-void i2c_reset(uint32_t i2c)
-{
-	switch (i2c) {
-	case I2C1:
-		rcc_periph_reset_pulse(RST_I2C1);
-		break;
-#if defined(I2C2_BASE)
-	case I2C2:
-		rcc_periph_reset_pulse(RST_I2C2);
-		break;
-#endif
-#if defined(I2C3_BASE)
-	case I2C3:
-		rcc_periph_reset_pulse(RST_I2C3);
-		break;
-#endif
-#if defined(I2C4_BASE)
-	case I2C4:
-		rcc_periph_reset_pulse(RST_I2C4);
-		break;
-#endif
-	default:
-		break;
-	}
-}
 
 /*---------------------------------------------------------------------------*/
 /** @brief I2C Peripheral Enable.

lib/stm32/common/i2c_common_v2.c

@@ -24,42 +24,6 @@
 
 /**@{*/
 
-/*---------------------------------------------------------------------------*/
-/** @brief I2C Reset.
- *
- * The I2C peripheral and all its associated configuration registers are placed
- * in the reset condition. The reset is effected via the RCC peripheral reset
- * system.
- *
- * @param[in] i2c Unsigned int32. I2C peripheral identifier @ref i2c_reg_base.
- */
-
-void i2c_reset(uint32_t i2c)
-{
-	switch (i2c) {
-	case I2C1:
-		rcc_periph_reset_pulse(RST_I2C1);
-		break;
-#if defined(I2C2_BASE)
-	case I2C2:
-		rcc_periph_reset_pulse(RST_I2C2);
-		break;
-#endif
-#if defined(I2C3_BASE)
-	case I2C3:
-		rcc_periph_reset_pulse(RST_I2C3);
-		break;
-#endif
-#if defined(I2C4_BASE)
-	case I2C4:
-		rcc_periph_reset_pulse(RST_I2C4);
-		break;
-#endif
-	default:
-		break;
-	}
-}
-
 /*---------------------------------------------------------------------------*/
 /** @brief I2C Peripheral Enable.
  *