ravb: Add dma queue interrupt support

This patch supports the following interrupts.

- One interrupt for multiple (timestamp, error, gPTP)
- One interrupt for emac
- Four interrupts for dma queue (best effort rx/tx, network control rx/tx)

This patch improve efficiency of the interrupt handler by adding the
interrupt handler corresponding to each interrupt source described
above. Additionally, it reduces the number of times of the access to
EthernetAVB IF.
Also this patch prevent this driver depends on the whim of a boot loader.

[[email protected]: define bit names of registers]
[[email protected]: add comment for gen3 only registers]
[[email protected]: fix coding style]
[[email protected]: update changelog]
[[email protected]: gen3: fix initialization of interrupts]
[[email protected]: gen3: fix clearing interrupts]
[[email protected]: gen3: add helper function for request_irq()]
[[email protected]: gen3: remove IRQF_SHARED flag for request_irq()]
[[email protected]: revert ravb_close() and ravb_ptp_stop()]
[[email protected]: avoid calling free_irq() to non-hooked interrupts]
[[email protected]: make NC/BE interrupt handler a function]
[[email protected]: make timestamp interrupt handler a function]
[[email protected]: timestamp interrupt is handled in multiple
 interrupt handler instead of dma queue interrupt handler]
Signed-off-by: Kazuya Mizuguchi <[email protected]>
Signed-off-by: Yoshihiro Kaneko <[email protected]>
Acked-by: Sergei Shtylyov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

0 files changed, 0 insertions, 0 deletions