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mwifiex: support for event done interrupt

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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@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2014-09-12 20:08:49 +05:30 committed by John W. Linville
parent 3223db2086
commit 2703a66865
2 changed files with 10 additions and 2 deletions
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7
drivers/net/wireless/mwifiex/pcie.c
View file

@ -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;

5
drivers/net/wireless/mwifiex/pcie.h
View file

@ -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)