Merge branch 'at91-4.19-trunk/i2c' into linux-4.19-at91

Author: cristibirsan

drivers/i2c/busses/i2c-at91.c

@@ -518,16 +518,8 @@ static irqreturn_t atmel_twi_interrupt(int irq, void *dev_id)
 	 * the RXRDY interrupt first in order to not keep garbage data in the
 	 * Receive Holding Register for the next transfer.
 	 */
-	if (irqstatus & AT91_TWI_RXRDY) {
-		/*
-		 * Read all available bytes at once by polling RXRDY usable w/
-		 * and w/o FIFO. With FIFO enabled we could also read RXFL and
-		 * avoid polling RXRDY.
-		 */
-		do {
-			at91_twi_read_next_byte(dev);
-		} while (at91_twi_read(dev, AT91_TWI_SR) & AT91_TWI_RXRDY);
-	}
+	if (irqstatus & AT91_TWI_RXRDY)
+		at91_twi_read_next_byte(dev);
 
 	/*
 	 * When a NACK condition is detected, the I2C controller sets the NACK,