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authorStefan Wahren <stefan.wahren@i2se.com>2018-07-18 08:31:44 +0200
committerDavid S. Miller <davem@davemloft.net>2018-07-18 15:19:08 -0700
commit711c62dfa6bdb4326ca6c587f295ea5c4f7269de (patch)
treead148d12e6286a897cde383930b9c1cfbb21a3de /drivers/net/ethernet/qualcomm
parentnet: qca_spi: Avoid packet drop during initial sync (diff)
downloadlinux-dev-711c62dfa6bdb4326ca6c587f295ea5c4f7269de.tar.xz
linux-dev-711c62dfa6bdb4326ca6c587f295ea5c4f7269de.zip
net: qca_spi: Make sure the QCA7000 reset is triggered
In case the SPI thread is not running, a simple reset of sync state won't fix the transmit timeout. We also need to wake up the kernel thread. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Fixes: ed7d42e24eff ("net: qca_spi: fix transmit queue timeout handling") Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qualcomm')
-rw-r--r--drivers/net/ethernet/qualcomm/qca_spi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 7db149f90fe3..7fa815d189ab 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -760,6 +760,9 @@ qcaspi_netdev_tx_timeout(struct net_device *dev)
qca->net_dev->stats.tx_errors++;
/* Trigger tx queue flush and QCA7000 reset */
qca->sync = QCASPI_SYNC_UNKNOWN;
+
+ if (qca->spi_thread)
+ wake_up_process(qca->spi_thread);
}
static int