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SAMV7: TWIHS: Correct Error Handling

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This commit is contained in:
Frank Benkert 2016-03-08 06:47:22 -06:00 committed by Gregory Nutt
parent 945e137382
commit 73de0d9114
1 changed files with 13 additions and 10 deletions
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23
arch/arm/src/samv7/sam_twihs.c
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@ -618,6 +618,19 @@ static int twi_interrupt(struct twi_dev_s *priv)
}
}
/* Check for errors. We must check for errors *before* checking TXRDY or
* TXCMP because the error can be signaled in combination with TXRDY or
* TXCOMP.
*/
else if ((pending & TWIHS_INT_ERRORS) != 0)
{
/* Wake up the thread with an I/O error indication */
i2clldbg("ERROR: TWIHS%d pending: %08x\n", priv->attr->twi, pending);
twi_wakeup(priv, -EIO);
}
/* Byte sent */
else if ((pending & TWIHS_INT_TXRDY) != 0)
@ -698,16 +711,6 @@ static int twi_interrupt(struct twi_dev_s *priv)
}
}
/* Check for errors */
else if ((pending & TWIHS_INT_ERRORS) != 0)
{
/* Wake up the thread with an I/O error indication */
i2clldbg("ERROR: TWIHS%d pending: %08x\n", priv->attr->twi, pending);
twi_wakeup(priv, -EIO);
}
return OK;
}