[RFC v3 01/11] ath10k: high_latency detection

[Erik Stromdahl]

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 at gmail.com>
---
 drivers/net/wireless/ath/ath10k/core.c | 1 +
 drivers/net/wireless/ath/ath10k/core.h | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index a4f635820f35..f1924c974a12 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -2496,6 +2496,7 @@ 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 949ebb3e967b..dc9ecf773d51 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;
@@ -1013,6 +1015,11 @@ 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,
-- 
2.14.1