Fix chip/imxrt_lpi2c.c:755:1: error: unused function 'imxrt_lpi2c_sem_waitstop'
@@ -243,8 +243,6 @@ static uint32_t imxrt_lpi2c_toticks(int msgc, struct i2c_msg_s *msgs);
static inline int
imxrt_lpi2c_sem_waitdone(struct imxrt_lpi2c_priv_s *priv);
-static inline void
-imxrt_lpi2c_sem_waitstop(struct imxrt_lpi2c_priv_s *priv);
#ifdef CONFIG_I2C_TRACE
static void imxrt_lpi2c_tracereset(struct imxrt_lpi2c_priv_s *priv);
@@ -743,95 +741,6 @@ imxrt_lpi2c_sem_waitdone(struct imxrt_lpi2c_priv_s *priv)
}
#endif
-/****************************************************************************
- * Name: imxrt_lpi2c_sem_waitstop
- *
- * Description:
- * Wait for a STOP to complete
- *
- ****************************************************************************/
-
-static inline void
-imxrt_lpi2c_sem_waitstop(struct imxrt_lpi2c_priv_s *priv)
-{
- clock_t start;
- clock_t elapsed;
- clock_t timeout;
- uint32_t regval;
-
- /* Select a timeout */
-
-#ifdef CONFIG_IMXRT_LPI2C_DYNTIMEO
- timeout = USEC2TICK(CONFIG_IMXRT_LPI2C_DYNTIMEO_STARTSTOP);
-#else
- timeout = CONFIG_IMXRT_LPI2C_TIMEOTICKS;
-#endif
-
- /* Wait as stop might still be in progress; but stop might also
- * be set because of a timeout error: "The [STOP] bit is set and
- * cleared by software, cleared by hardware when a Stop condition is
- * detected, set by hardware when a timeout error is detected."
- */
-
- start = clock_systime_ticks();
- do
- {
- /* Calculate the elapsed time */
-
- elapsed = clock_systime_ticks() - start;
-
- /* Check for STOP condition */
-
- if (priv->config->mode == LPI2C_MASTER)
- {
- regval = imxrt_lpi2c_getreg(priv, IMXRT_LPI2C_MSR_OFFSET);
- if ((regval & LPI2C_MSR_SDF) == LPI2C_MSR_SDF)
- {
- return;
- }
- }
-
- /* Enable Interrupts when slave mode */
-
- else
- {
- regval = imxrt_lpi2c_getreg(priv, IMXRT_LPI2C_SSR_OFFSET);
- if ((regval & LPI2C_SSR_SDF) == LPI2C_SSR_SDF)
- {
- return;
- }
- }
-
- /* Check for NACK error */
-
- if (priv->config->mode == LPI2C_MASTER)
- {
- regval = imxrt_lpi2c_getreg(priv, IMXRT_LPI2C_MSR_OFFSET);
- if ((regval & LPI2C_MSR_NDF) == LPI2C_MSR_NDF)
- {
- return;
- }
- }
-
- /* Enable Interrupts when slave mode */
-
- else
- {
-#warning Missing logic for I2C Slave
- }
- }
-
- /* Loop until the stop is complete or a timeout occurs. */
-
- while (elapsed < timeout);
-
- /* If we get here then a timeout occurred with the STOP condition
- * still pending.
- */
-
- i2cinfo("Timeout with Status Register: %" PRIx32 "\n", regval);
-}
-
/****************************************************************************
* Name: imxrt_dma_callback
*
