diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2021-02-02 18:01:03 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-03 17:41:01 -0800 |
| commit | fec7fa0a750c2127b01adb626e4945509da96462 (patch) | |
| tree | 5d16d9c956cdc8c5a4219998e4074199a89381ce /drivers/net/ethernet/chelsio/cxgb/common.h | |
| parent | 462e99a18b22609ed40ee0c096775169c2859b21 (diff) | |
chelsio: cxgb: Replace the workqueue with threaded interrupt
The external interrupt (F_PL_INTR_EXT) needs to be handled in a process
context and this is accomplished by utilizing a workqueue.
The process context can also be provided by a threaded interrupt instead
of a workqueue. The threaded interrupt can be used later for other
interrupt related processing which require non-atomic context without
using yet another workqueue. free_irq() also ensures that the thread is
done which is currently missing (the worker could continue after the
module has been removed).
Save pending flags in pending_thread_intr. Use the same mechanism
to disable F_PL_INTR_EXT as interrupt source like it is used before the
worker is scheduled. Enable the interrupt again once
t1_elmer0_ext_intr_handler() is done.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb/common.h')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb/common.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb/common.h b/drivers/net/ethernet/chelsio/cxgb/common.h index 6475060649e9..e999a9b9fe6c 100644 --- a/drivers/net/ethernet/chelsio/cxgb/common.h +++ b/drivers/net/ethernet/chelsio/cxgb/common.h @@ -238,7 +238,6 @@ struct adapter { int msg_enable; u32 mmio_len; - struct work_struct ext_intr_handler_task; struct adapter_params params; /* Terminator modules. */ @@ -257,6 +256,7 @@ struct adapter { /* guards async operations */ spinlock_t async_lock ____cacheline_aligned; + u32 pending_thread_intr; u32 slow_intr_mask; int t1powersave; }; @@ -334,8 +334,7 @@ void t1_interrupts_enable(adapter_t *adapter); void t1_interrupts_disable(adapter_t *adapter); void t1_interrupts_clear(adapter_t *adapter); int t1_elmer0_ext_intr_handler(adapter_t *adapter); -void t1_elmer0_ext_intr(adapter_t *adapter); -int t1_slow_intr_handler(adapter_t *adapter); +irqreturn_t t1_slow_intr_handler(adapter_t *adapter); int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); const struct board_info *t1_get_board_info(unsigned int board_id); |