svn commit: r354956 - head/sys/arm/broadcom/bcm2835

[Kyle Evans]

Author: kevans
Date: Thu Nov 21 14:01:44 2019
New Revision: 354956
URL: https://svnweb.freebsd.org/changeset/base/354956

Log:
  bcm2835_sdhci: only inspect interrupts we handle
  
  We'll write the value we read back to ack pending interrupts, but we should
  at least make it clear to ourselves that we only want to ack pending
  transfer interrupts.

Modified:
  head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c

Modified: head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
==============================================================================
--- head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c	Thu Nov 21 14:00:59 2019	(r354955)
+++ head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c	Thu Nov 21 14:01:44 2019	(r354956)
@@ -653,7 +653,8 @@ bcm_sdhci_dma_intr(int ch, void *arg)
 	 * can continue via DMA, do so.  Otherwise, re-enable interrupts and
 	 * return.
 	 */
-	reg = bcm_sdhci_read_4(slot->bus, slot, SDHCI_INT_STATUS);
+	reg = bcm_sdhci_read_4(slot->bus, slot, SDHCI_INT_STATUS) &
+	    DATA_XFER_MASK;
 	if ((reg & DATA_PENDING_MASK) != 0 &&
 	    BCM_SDHCI_SEGSZ_LEFT(slot) >= BCM_SDHCI_BUFFER_SIZE) {
 		/* ACK any pending interrupts */