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authorDavid S. Miller <davem@davemloft.net>2019-04-29 18:18:09 -0400
committerDavid S. Miller <davem@davemloft.net>2019-04-29 18:18:09 -0400
commit6ee12b7b15e0b7890c196498d4207426cf47a2cb (patch)
tree50470eea7036b7a37cb12ae93443d14e34d66a9f /drivers
parent2ae7a39770c734efb04daef6ffca233101ed7c22 (diff)
parent22e8860cf8f777fbf6a83f2fb7127f682a8e9de4 (diff)
Merge branch 'ieee802154-for-davem-2019-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
Stefan Schmidt says: ==================== ieee802154 for net 2019-04-25 An update from ieee802154 for your *net* tree. Another fix from Kangjie Lu to ensure better checking regmap updates in the mcr20a driver. Nothing else I have pending for the final release. If there are any problems let me know. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ieee802154/mcr20a.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index c589f5ae75bb..8bb53ec8d9cf 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -533,6 +533,8 @@ mcr20a_start(struct ieee802154_hw *hw)
dev_dbg(printdev(lp), "no slotted operation\n");
ret = regmap_update_bits(lp->regmap_dar, DAR_PHY_CTRL1,
DAR_PHY_CTRL1_SLOTTED, 0x0);
+ if (ret < 0)
+ return ret;
/* enable irq */
enable_irq(lp->spi->irq);
@@ -540,11 +542,15 @@ mcr20a_start(struct ieee802154_hw *hw)
/* Unmask SEQ interrupt */
ret = regmap_update_bits(lp->regmap_dar, DAR_PHY_CTRL2,
DAR_PHY_CTRL2_SEQMSK, 0x0);
+ if (ret < 0)
+ return ret;
/* Start the RX sequence */
dev_dbg(printdev(lp), "start the RX sequence\n");
ret = regmap_update_bits(lp->regmap_dar, DAR_PHY_CTRL1,
DAR_PHY_CTRL1_XCVSEQ_MASK, MCR20A_XCVSEQ_RX);
+ if (ret < 0)
+ return ret;
return 0;
}