2020-05-06 09:45:23

by Govind Singh

[permalink] [raw]
Subject: [PATCH 2/3] ath11k: Add drv private for bus opaque struct

Add drv private opaque structure to have bus level
structure for multibus support.

Signed-off-by: Govind Singh <[email protected]>
---
drivers/net/wireless/ath/ath11k/ahb.c | 2 +-
drivers/net/wireless/ath/ath11k/core.c | 5 +++--
drivers/net/wireless/ath/ath11k/core.h | 6 +++++-
drivers/net/wireless/ath/ath11k/hw.h | 5 +++++
4 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index b625b7c3ad32..19cda6bfe9b7 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -932,7 +932,7 @@ static int ath11k_ahb_probe(struct platform_device *pdev)
return ret;
}

- ab = ath11k_core_alloc(&pdev->dev);
+ ab = ath11k_core_alloc(&pdev->dev, 0, ATH11K_BUS_AHB);
if (!ab) {
dev_err(&pdev->dev, "failed to allocate ath11k base\n");
return -ENOMEM;
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index 985ea3bcadb9..a91eae6a4e57 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -756,11 +756,12 @@ void ath11k_core_free(struct ath11k_base *ab)
kfree(ab);
}

-struct ath11k_base *ath11k_core_alloc(struct device *dev)
+struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
+ enum ath11k_bus bus)
{
struct ath11k_base *ab;

- ab = kzalloc(sizeof(*ab), GFP_KERNEL);
+ ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
if (!ab)
return NULL;

diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index fdc09995609b..b3b210a22b25 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -662,6 +662,9 @@ struct ath11k_base {

/* Round robbin based TCL ring selector */
atomic_t tcl_ring_selector;
+
+ /* must be last */
+ u8 drv_priv[0] __aligned(sizeof(void *));
};

struct ath11k_fw_stats_pdev {
@@ -798,7 +801,8 @@ struct ath11k_peer *ath11k_peer_find_by_id(struct ath11k_base *ab, int peer_id);
int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab);
int ath11k_core_init(struct ath11k_base *ath11k);
void ath11k_core_deinit(struct ath11k_base *ath11k);
-struct ath11k_base *ath11k_core_alloc(struct device *dev);
+struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
+ enum ath11k_bus bus);
void ath11k_core_free(struct ath11k_base *ath11k);
int ath11k_core_fetch_bdf(struct ath11k_base *ath11k,
struct ath11k_board_data *bd);
diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h
index 9973477ae373..e9a577f561f7 100644
--- a/drivers/net/wireless/ath/ath11k/hw.h
+++ b/drivers/net/wireless/ath/ath11k/hw.h
@@ -99,6 +99,11 @@ enum ath11k_hw_rate_ofdm {
ATH11K_HW_RATE_OFDM_9M,
};

+enum ath11k_bus {
+ ATH11K_BUS_AHB,
+ ATH11K_BUS_PCI,
+};
+
struct ath11k_hw_params {
const char *name;
struct {
--
2.22.0