backport from wireless-drivers-next, replacing some existing patches in our tree (marked with '=' are those which were already present): f483039cf51a rt2x00: use simple_read_from_buffer() =5c656c71b1bf rt2800: move usb specific txdone/txstatus routines to rt2800lib =0b0d556e0ebb rt2800mmio: use txdone/txstatus routines from lib =5022efb50f62 rt2x00: do not check for txstatus timeout every time on tasklet =adf26a356f13 rt2x00: use different txstatus timeouts when flushing =0240564430c0 rt2800: flush and txstatus rework for rt2800mmio 6eba8fd22352 rt2x00: rt2400pci: mark expected switch fall-through 10bb92217747 rt2x00: rt2500pci: mark expected switch fall-through 916e6bbcfcff rt2x00: rt2800lib: mark expected switch fall-throughs 641dd8068ecb rt2x00: rt61pci: mark expected switch fall-through 750afb08ca71 cross-tree: phase out dma_zalloc_coherent() =c2e28ef7711f rt2x00: reduce tx power to nominal level on RT6352 a4296994eb80 rt2x00: Work around a firmware bug with shared keys 2587791d5758 rt2x00: no need to check return value of debugfs_create functions pending on linux-wireless: rt2x00: remove unneeded check rt2x00: remove confusing AGC register rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 rt2800: comment and simplify AGC init for RT6352 rt2x00: do not print error when queue is full rt2800: partially restore old mmio txstatus behaviour rt2800: new flush implementation for SoC devices rt2800: move txstatus pending routine rt2800mmio: fetch tx status changes rt2800mmio: use timer and work for handling tx statuses timeouts rt2x00: remove last_nostatus_check rt2x00: remove not used entry field rt2x00mmio: remove legacy comment While at it also rename some existing patches now that there are separate folders with patches for each driver to make things a bit nicer to handle. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
		
			
				
	
	
		
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			73 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 5022efb50f625d11fdf18b1fee0f64ebb1863664 Mon Sep 17 00:00:00 2001
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Wed, 26 Sep 2018 12:24:55 +0200
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Subject: [PATCH 04/28] rt2x00: do not check for txstatus timeout every time on
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 tasklet
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Do not check for tx status timeout everytime we perform txstatus tasklet.
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Perform check once per half a second.
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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 drivers/net/wireless/ralink/rt2x00/rt2800lib.c   | 7 +++++++
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 drivers/net/wireless/ralink/rt2x00/rt2800mmio.c  | 3 ++-
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 drivers/net/wireless/ralink/rt2x00/rt2x00.h      | 2 ++
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 drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 1 +
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 4 files changed, 12 insertions(+), 1 deletion(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -1158,11 +1158,18 @@ bool rt2800_txstatus_timeout(struct rt2x
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 	struct data_queue *queue;
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 	struct queue_entry *entry;
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+	if (time_before(jiffies,
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+			rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
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+		return false;
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+
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+	rt2x00dev->last_nostatus_check = jiffies;
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+
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 	tx_queue_for_each(rt2x00dev, queue) {
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 		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
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 		if (rt2800_entry_txstatus_timeout(entry))
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 			return true;
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 	}
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+
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 	return false;
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 }
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 EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
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@@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigne
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 	rt2800_txdone(rt2x00dev);
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-	rt2800_txdone_nostatus(rt2x00dev);
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+	if (rt2800_txstatus_timeout(rt2x00dev))
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+		rt2800_txdone_nostatus(rt2x00dev);
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 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
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 		rt2800mmio_enable_interrupt(rt2x00dev,
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
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@@ -980,6 +980,8 @@ struct rt2x00_dev {
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 	 */
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 	DECLARE_KFIFO_PTR(txstatus_fifo, u32);
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+	unsigned long last_nostatus_check;
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+
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 	/*
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 	 * Timer to ensure tx status reports are read (rt2800usb).
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 	 */
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
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@@ -1039,6 +1039,7 @@ void rt2x00queue_start_queues(struct rt2
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 	 */
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 	tx_queue_for_each(rt2x00dev, queue)
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 		rt2x00queue_start_queue(queue);
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+	rt2x00dev->last_nostatus_check = jiffies;
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 	rt2x00queue_start_queue(rt2x00dev->rx);
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 }
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