This patch adds support for writing CPU event interrupt done back
to device.
Patch also increases interrupt buffer ring size from 4 to 8.
Signed-off-by: Avinash Patil <patila@xxxxxxxxxxx>
Signed-off-by: Cathy Luo <cluo@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/pcie.c | 7 +++++++
drivers/net/wireless/mwifiex/pcie.h | 5 +++--
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 27c2bf8..2ada1b7 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1726,6 +1726,13 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter)
buffer is released. This is just to make things simpler,
we need to find a better method of managing these buffers.
*/
+ } else {
+ if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
+ CPU_INTR_EVENT_DONE)) {
+ dev_warn(adapter->dev,
+ "Write register failed\n");
+ return -1;
+ }
}
return 0;
diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h
index a1a8fd3..200e8b0 100644
--- a/drivers/net/wireless/mwifiex/pcie.h
+++ b/drivers/net/wireless/mwifiex/pcie.h
@@ -40,8 +40,8 @@
#define MWIFIEX_TXBD_MASK 0x3F
#define MWIFIEX_RXBD_MASK 0x3F
-#define MWIFIEX_MAX_EVT_BD 0x04
-#define MWIFIEX_EVTBD_MASK 0x07
+#define MWIFIEX_MAX_EVT_BD 0x08
+#define MWIFIEX_EVTBD_MASK 0x0f
/* PCIE INTERNAL REGISTERS */
#define PCIE_SCRATCH_0_REG 0xC10
@@ -69,6 +69,7 @@
#define CPU_INTR_DOOR_BELL BIT(1)
#define CPU_INTR_SLEEP_CFM_DONE BIT(2)
#define CPU_INTR_RESET BIT(3)
+#define CPU_INTR_EVENT_DONE BIT(5)
#define HOST_INTR_DNLD_DONE BIT(0)
#define HOST_INTR_UPLD_RDY BIT(1)
--
1.8.1.4
--
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