diff options
Diffstat (limited to 'drivers/net/ipa/ipa_interrupt.c')
| -rw-r--r-- | drivers/net/ipa/ipa_interrupt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index 18036e9cd161..2ef640f9197c 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -196,6 +196,7 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, u32 mask = BIT(endpoint_id % 32); u32 unit = endpoint_id / 32; const struct reg *reg; + unsigned long weight; u32 offset; u32 val; @@ -205,6 +206,10 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, if (ipa->version == IPA_VERSION_3_0) return; + weight = bitmap_weight(interrupt->suspend_enabled, ipa->endpoint_count); + if (weight == 1 && !enable) + ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); + reg = ipa_reg(ipa, IRQ_SUSPEND_EN); offset = reg_n_offset(reg, unit); val = ioread32(ipa->reg_virt + offset); @@ -216,6 +221,9 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, __change_bit(endpoint_id, interrupt->suspend_enabled); iowrite32(val, ipa->reg_virt + offset); + + if (!weight && enable) + ipa_interrupt_enable(ipa, IPA_IRQ_TX_SUSPEND); } /* Enable TX_SUSPEND for an endpoint */ |