From: Stefan Wahren stefan.wahren@in-tech.com
[ Upstream commit bc19c32904e36548335b35fdce6ce734e20afc0a ]
The reset counter is specific for every QCA700x chip. So move this into the private driver struct. Otherwise we get unpredictable reset behavior in setups with multiple QCA700x chips.
Fixes: 291ab06ecf67 (net: qualcomm: new Ethernet over SPI driver for QCA7000) Signed-off-by: Stefan Wahren stefan.wahren@in-tech.com Signed-off-by: Stefan Wahren wahrenst@gmx.net Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/qualcomm/qca_spi.c | 9 ++++----- drivers/net/ethernet/qualcomm/qca_spi.h | 1 + 2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 7886a8a5b55b..fb944e65c632 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -438,7 +438,6 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event) u16 signature = 0; u16 spi_config; u16 wrbuf_space = 0; - static u16 reset_count;
if (event == QCASPI_EVENT_CPUON) { /* Read signature twice, if not valid @@ -491,13 +490,13 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event)
qca->sync = QCASPI_SYNC_RESET; qca->stats.trig_reset++; - reset_count = 0; + qca->reset_count = 0; break; case QCASPI_SYNC_RESET: - reset_count++; + qca->reset_count++; netdev_dbg(qca->net_dev, "sync: waiting for CPU on, count %u.\n", - reset_count); - if (reset_count >= QCASPI_RESET_TIMEOUT) { + qca->reset_count); + if (qca->reset_count >= QCASPI_RESET_TIMEOUT) { /* reset did not seem to take place, try again */ qca->sync = QCASPI_SYNC_UNKNOWN; qca->stats.reset_timeout++; diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h index 6e31a0e744a4..c48c314ca4df 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.h +++ b/drivers/net/ethernet/qualcomm/qca_spi.h @@ -97,6 +97,7 @@ struct qcaspi {
unsigned int intr_req; unsigned int intr_svc; + u16 reset_count;
#ifdef CONFIG_DEBUG_FS struct dentry *device_root;