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authorPhilippe Schenker <philippe.schenker@toradex.com>2019-05-08 16:08:30 +0200
committerPhilippe Schenker <philippe.schenker@toradex.com>2019-05-08 16:08:30 +0200
commit774f42075a4800fe4106dffca804e3207bc3c2e7 (patch)
tree4bb3e8ca84f7f23ac41966017e81ffe09e98412e /drivers/net/dsa/mv88e6xxx/chip.c
parent95a0514c2e68a035e2adbdb5a297da310dccb09c (diff)
parent33e2f28596a7059dbe31d837caae924a74aa36d8 (diff)
Merge branch 'linux-4.14.y_for_4.14-2.0.x-imx' into 4.14-2.0.x-imx
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.c')
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 34998ecd9cc9..4fbc75b73433 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -258,6 +258,7 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
unsigned int sub_irq;
unsigned int n;
u16 reg;
+ u16 ctl1;
int err;
mutex_lock(&chip->reg_lock);
@@ -267,13 +268,28 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
if (err)
goto out;
- for (n = 0; n < chip->g1_irq.nirqs; ++n) {
- if (reg & (1 << n)) {
- sub_irq = irq_find_mapping(chip->g1_irq.domain, n);
- handle_nested_irq(sub_irq);
- ++nhandled;
+ do {
+ for (n = 0; n < chip->g1_irq.nirqs; ++n) {
+ if (reg & (1 << n)) {
+ sub_irq = irq_find_mapping(chip->g1_irq.domain,
+ n);
+ handle_nested_irq(sub_irq);
+ ++nhandled;
+ }
}
- }
+
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1);
+ if (err)
+ goto unlock;
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
+unlock:
+ mutex_unlock(&chip->reg_lock);
+ if (err)
+ goto out;
+ ctl1 &= GENMASK(chip->g1_irq.nirqs, 0);
+ } while (reg & ctl1);
+
out:
return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
}
@@ -623,7 +639,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
default:
return UINT64_MAX;
}
- value = (((u64)high) << 16) | low;
+ value = (((u64)high) << 32) | low;
return value;
}
@@ -2553,7 +2569,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.port_pause_limit = mv88e6097_port_pause_limit,
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
- .stats_snapshot = mv88e6320_g1_stats_snapshot,
+ .stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
.stats_get_stats = mv88e6095_stats_get_stats,