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[RFC,v2,01/10] ath10k: high_latency detection

Message ID 1497279791-9598-2-git-send-email-erik.stromdahl@gmail.com (mailing list archive)
State Not Applicable
Delegated to: Kalle Valo
Headers show

Commit Message

Erik Stromdahl June 12, 2017, 3:03 p.m. UTC 
The setup of high latency chips (USB and SDIO) is
sometimes different than for chips using low latency
interfaces.

The bus type is used to determine if the interface is
a high latency interface.

Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
---
 drivers/net/wireless/ath/ath10k/core.c | 1 +
 drivers/net/wireless/ath/ath10k/core.h | 7 +++++++
 2 files changed, 8 insertions(+)
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Patch

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 3fb1429..d3bf5c4 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -2455,6 +2455,7 @@  struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 	ar->hw_rev = hw_rev;
 	ar->hif.ops = hif_ops;
 	ar->hif.bus = bus;
+	ar->is_high_latency = ath10k_is_high_latency(bus);
 
 	switch (hw_rev) {
 	case ATH10K_HW_QCA988X:
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 1efe0a1..90069b8 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -789,6 +789,8 @@  struct ath10k {
 
 	bool p2p;
 
+	bool is_high_latency;
+
 	struct {
 		enum ath10k_bus bus;
 		const struct ath10k_hif_ops *ops;
@@ -1008,6 +1010,11 @@  static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)
 	return false;
 }
 
+static inline bool ath10k_is_high_latency(enum ath10k_bus bus)
+{
+	return ((bus == ATH10K_BUS_SDIO) || (bus == ATH10K_BUS_USB));
+}
+
 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 				  enum ath10k_bus bus,
 				  enum ath10k_hw_rev hw_rev,