diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ipa/ipa_interrupt.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index a78c692f2d3c..e5e01655e8c2 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -43,6 +43,30 @@ struct ipa_interrupt { u32 enabled; }; +/* Clear the suspend interrupt for all endpoints that signaled it */ +void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt) +{ + struct ipa *ipa = interrupt->ipa; + u32 unit_count; + u32 unit; + + unit_count = DIV_ROUND_UP(ipa->endpoint_count, 32); + for (unit = 0; unit < unit_count; unit++) { + const struct reg *reg; + u32 val; + + reg = ipa_reg(ipa, IRQ_SUSPEND_INFO); + val = ioread32(ipa->reg_virt + reg_n_offset(reg, unit)); + + /* SUSPEND interrupt status isn't cleared on IPA version 3.0 */ + if (ipa->version == IPA_VERSION_3_0) + continue; + + reg = ipa_reg(ipa, IRQ_SUSPEND_CLR); + iowrite32(val, ipa->reg_virt + reg_n_offset(reg, unit)); + } +} + /* Process a particular interrupt type that has been received */ static void ipa_interrupt_process(struct ipa_interrupt *interrupt, u32 irq_id) { @@ -205,30 +229,6 @@ ipa_interrupt_suspend_disable(struct ipa_interrupt *interrupt, u32 endpoint_id) ipa_interrupt_suspend_control(interrupt, endpoint_id, false); } -/* Clear the suspend interrupt for all endpoints that signaled it */ -void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt) -{ - struct ipa *ipa = interrupt->ipa; - u32 unit_count; - u32 unit; - - unit_count = DIV_ROUND_UP(ipa->endpoint_count, 32); - for (unit = 0; unit < unit_count; unit++) { - const struct reg *reg; - u32 val; - - reg = ipa_reg(ipa, IRQ_SUSPEND_INFO); - val = ioread32(ipa->reg_virt + reg_n_offset(reg, unit)); - - /* SUSPEND interrupt status isn't cleared on IPA version 3.0 */ - if (ipa->version == IPA_VERSION_3_0) - continue; - - reg = ipa_reg(ipa, IRQ_SUSPEND_CLR); - iowrite32(val, ipa->reg_virt + reg_n_offset(reg, unit)); - } -} - /* Simulate arrival of an IPA TX_SUSPEND interrupt */ void ipa_interrupt_simulate_suspend(struct ipa_interrupt *interrupt) { |