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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: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -282,6 +282,7 @@ exit_main_proc:
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mwifiex_shutdown_drv(adapter);
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return ret;
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}
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EXPORT_SYMBOL_GPL(mwifiex_main_process);
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/*
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* This function frees the adapter structure.
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@ -905,8 +905,8 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
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/*
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* SDIO interrupt handler.
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*
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* This function reads the interrupt status from firmware and assigns
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* the main process in workqueue which will handle the interrupt.
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* This function reads the interrupt status from firmware and handles
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* the interrupt in current thread (ksdioirqd) right away.
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*/
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static void
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mwifiex_sdio_interrupt(struct sdio_func *func)
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@ -929,7 +929,7 @@ mwifiex_sdio_interrupt(struct sdio_func *func)
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adapter->ps_state = PS_STATE_AWAKE;
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mwifiex_interrupt_status(adapter);
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queue_work(adapter->workqueue, &adapter->main_work);
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mwifiex_main_process(adapter);
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}
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/*
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