Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 601216e1 authored by Bing Zhao's avatar Bing Zhao Committed by John W. Linville
Browse files

mwifiex: process RX packets in SDIO IRQ thread directly 



ksdioirqd has higher priority than kworker. Process RX packets
in SDIO IRQ thread (ksdioirqd/mmcX) directly instead of deferring
the work to kworker to avoid the extra latency.
This improves TCP throughput 15~20% on an ARM platform with SDIO
2.0 controller.

Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1993732e

drivers/net/wireless/mwifiex/main.c

+1 −0
Original line number Diff line number Diff line
@@ -282,6 +282,7 @@ exit_main_proc: 
		mwifiex_shutdown_drv(adapter);

	return ret;

}

EXPORT_SYMBOL_GPL(mwifiex_main_process);



/*

 * This function frees the adapter structure.

drivers/net/wireless/mwifiex/sdio.c

+3 −3
Original line number Diff line number Diff line
@@ -905,8 +905,8 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) 
/*

 * SDIO interrupt handler.

 *

 * This function reads the interrupt status from firmware and assigns

 * the main process in workqueue which will handle the interrupt.

 * This function reads the interrupt status from firmware and handles

 * the interrupt in current thread (ksdioirqd) right away.

 */

static void

mwifiex_sdio_interrupt(struct sdio_func *func)
@@ -929,7 +929,7 @@ mwifiex_sdio_interrupt(struct sdio_func *func) 
		adapter->ps_state = PS_STATE_AWAKE;



	mwifiex_interrupt_status(adapter);

	queue_work(adapter->workqueue, &adapter->main_work);

	mwifiex_main_process(adapter);

}



/*