Commit 2703a668 authored by Avinash Patil's avatar Avinash Patil Committed by John W. Linville
Browse files

mwifiex: support for event done interrupt 



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: default avatarAvinash Patil <patila@marvell.com>
Signed-off-by: default avatarCathy Luo <cluo@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3223db20

drivers/net/wireless/mwifiex/pcie.c

+7 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/wireless/mwifiex/pcie.h

+3 −2
Original line number Diff line number Diff line
@@ -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)

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