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[9/9] wil6210: remove HALP for Talyn devices

Message ID 1556293417-27097-10-git-send-email-merez@codeaurora.org (mailing list archive)
State Accepted
Commit 3d0aa91984463a922c1c1a3abef6ff117bb5f418
Delegated to: Kalle Valo
Headers show
Series wil6210 patches | expand

Commit Message

Maya Erez April 26, 2019, 3:43 p.m. UTC 
In Talyn the HW is responsible for power management enter / exit
flow, hence the deep sleep exit latency is significantly shorter than
in Sparrow.
In such a case HALP feature, that is meant to prevent long PCIe blocking
accesses, is no longer needed and can be removed for Talyn.

Signed-off-by: Maya Erez <merez@codeaurora.org>
---
 drivers/net/wireless/ath/wil6210/main.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index efdb6e1..3c30076 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -1940,6 +1940,9 @@  void wil_halp_vote(struct wil6210_priv *wil)
 	unsigned long rc;
 	unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS);
 
+	if (wil->hw_version >= HW_VER_TALYN_MB)
+		return;
+
 	mutex_lock(&wil->halp.lock);
 
 	wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n",
@@ -1971,6 +1974,9 @@  void wil_halp_vote(struct wil6210_priv *wil)
 
 void wil_halp_unvote(struct wil6210_priv *wil)
 {
+	if (wil->hw_version >= HW_VER_TALYN_MB)
+		return;
+
 	WARN_ON(wil->halp.ref_cnt == 0);
 
 	mutex_lock(&wil->halp.lock);