2015-06-07 13:56:36

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 0/6] wil6210 patches

Small fixes here and there; save for hidden SSID

Hamad Kadmany (1):
wil6210: Support hidden SSID

Vladimir Kondratiev (5):
wil6210: modparam for bcast ring size
wil6210: add NIC memory region mac_rgf_ext
wil6210: add per-MCS Rx stats
wil6210: platform hooks for modile init/exit
wil6210: reorder init sequence

drivers/net/wireless/ath/wil6210/cfg80211.c | 46 +++++++++++-
drivers/net/wireless/ath/wil6210/debugfs.c | 8 +-
drivers/net/wireless/ath/wil6210/main.c | 2 +
drivers/net/wireless/ath/wil6210/netdev.c | 3 +-
drivers/net/wireless/ath/wil6210/pcie_bus.c | 99 ++++++++++++++++---------
drivers/net/wireless/ath/wil6210/txrx.c | 2 +
drivers/net/wireless/ath/wil6210/wil6210.h | 9 ++-
drivers/net/wireless/ath/wil6210/wil_platform.c | 14 +++-
drivers/net/wireless/ath/wil6210/wil_platform.h | 3 +
drivers/net/wireless/ath/wil6210/wmi.c | 5 +-
drivers/net/wireless/ath/wil6210/wmi.h | 10 ++-
11 files changed, 153 insertions(+), 48 deletions(-)

--
2.1.4



2015-06-07 13:56:42

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 4/6] wil6210: Support hidden SSID

From: Hamad Kadmany <[email protected]>

Pass hidden SSID information to FW for proper operation.
In order to be able to scan/connect to the hidden SSID, SSID
setting is added when scan is requested from FW. SSID
scanning currently supports single SSID due to FW limitation.

Signed-off-by: Hamad Kadmany <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
---
drivers/net/wireless/ath/wil6210/cfg80211.c | 46 +++++++++++++++++++++++++++--
drivers/net/wireless/ath/wil6210/wil6210.h | 3 +-
drivers/net/wireless/ath/wil6210/wmi.c | 4 ++-
drivers/net/wireless/ath/wil6210/wmi.h | 10 ++++++-
4 files changed, 57 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index dbfcdd1..c79cfe0 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -289,6 +289,26 @@ static int wil_cfg80211_scan(struct wiphy *wiphy,
}

wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
+ wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
+
+ for (i = 0; i < request->n_ssids; i++) {
+ wil_dbg_misc(wil, "SSID[%d]", i);
+ print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
+ request->ssids[i].ssid,
+ request->ssids[i].ssid_len);
+ }
+
+ if (request->n_ssids)
+ rc = wmi_set_ssid(wil, request->ssids[0].ssid_len,
+ request->ssids[0].ssid);
+ else
+ rc = wmi_set_ssid(wil, 0, NULL);
+
+ if (rc) {
+ wil_err(wil, "set SSID for scan request failed: %d\n", rc);
+ return rc;
+ }
+
wil->scan_request = request;
mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);

@@ -778,6 +798,7 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
const u8 *pr_ies = NULL;
size_t pr_ies_len = 0;
+ u8 hidden_ssid;

wil_dbg_misc(wil, "%s()\n", __func__);

@@ -790,6 +811,8 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
channel->center_freq, info->privacy ? "secure" : "open");
wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
info->privacy, info->auth_type);
+ wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
+ info->hidden_ssid);
wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
info->dtim_period);
print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
@@ -835,10 +858,28 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,

wil->privacy = info->privacy;

+ switch (info->hidden_ssid) {
+ case NL80211_HIDDEN_SSID_NOT_IN_USE:
+ hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
+ break;
+
+ case NL80211_HIDDEN_SSID_ZERO_LEN:
+ hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
+ break;
+
+ case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
+ hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
+ break;
+
+ default:
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+
netif_carrier_on(ndev);

rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
- channel->hw_value);
+ channel->hw_value, hidden_ssid);
if (rc)
goto err_pcp_start;

@@ -1023,8 +1064,7 @@ static struct cfg80211_ops wil_cfg80211_ops = {

static void wil_wiphy_init(struct wiphy *wiphy)
{
- /* TODO: set real value */
- wiphy->max_scan_ssids = 10;
+ wiphy->max_scan_ssids = 1;
wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
wiphy->max_num_pmkids = 0 /* TODO: */;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index c39369f..78c7536 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -764,7 +764,8 @@ struct wireless_dev *wil_cfg80211_init(struct device *dev);
void wil_wdev_free(struct wil6210_priv *wil);

int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
-int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
+int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
+ u8 chan, u8 hidden_ssid);
int wmi_pcp_stop(struct wil6210_priv *wil);
void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
u16 reason_code, bool from_event);
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 26c707f..c759759 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -825,7 +825,8 @@ int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
}

-int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan)
+int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
+ u8 chan, u8 hidden_ssid)
{
int rc;

@@ -835,6 +836,7 @@ int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan)
.disable_sec_offload = 1,
.channel = chan - 1,
.pcp_max_assoc_sta = max_assoc_sta,
+ .hidden_ssid = hidden_ssid,
};
struct {
struct wil6210_mbox_hdr_wmi wmi;
diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h
index cc04ab7..6e90e78 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.h
+++ b/drivers/net/wireless/ath/wil6210/wmi.h
@@ -495,10 +495,18 @@ struct wmi_power_mgmt_cfg_cmd {
/*
* WMI_PCP_START_CMDID
*/
+
+enum wmi_hidden_ssid {
+ WMI_HIDDEN_SSID_DISABLED = 0,
+ WMI_HIDDEN_SSID_SEND_EMPTY = 1,
+ WMI_HIDDEN_SSID_CLEAR = 2,
+};
+
struct wmi_pcp_start_cmd {
__le16 bcon_interval;
u8 pcp_max_assoc_sta;
- u8 reserved0[9];
+ u8 hidden_ssid;
+ u8 reserved0[8];
u8 network_type;
u8 channel;
u8 disable_sec_offload;
--
2.1.4


2015-06-07 13:56:40

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 3/6] wil6210: add per-MCS Rx stats

Provide detailed statistics for the Rx frames per MCS
Statistics printed in "stations" debugfs entry

Signed-off-by: Vladimir Kondratiev <[email protected]>
---
drivers/net/wireless/ath/wil6210/debugfs.c | 8 +++++++-
drivers/net/wireless/ath/wil6210/txrx.c | 2 ++
drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++
3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 8f9c072..75219a1 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1360,7 +1360,7 @@ static int wil_sta_debugfs_show(struct seq_file *s, void *data)
__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
{
struct wil6210_priv *wil = s->private;
- int i, tid;
+ int i, tid, mcs;

for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
struct wil_sta_info *p = &wil->sta[i];
@@ -1390,6 +1390,12 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
}
}
spin_unlock_bh(&p->tid_rx_lock);
+ seq_puts(s, "Rx/MCS:");
+ for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
+ mcs++)
+ seq_printf(s, " %lld",
+ p->stats.rx_per_mcs[mcs]);
+ seq_puts(s, "\n");
}
}

diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 0113dac..aa20af8 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -427,6 +427,8 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
cid = wil_rxdesc_cid(d);
stats = &wil->sta[cid].stats;
stats->last_mcs_rx = wil_rxdesc_mcs(d);
+ if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs))
+ stats->rx_per_mcs[stats->last_mcs_rx]++;

/* use radiotap header only if required */
if (ndev->type == ARPHRD_IEEE80211_RADIOTAP)
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index ea0163c..c39369f 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -464,6 +464,7 @@ enum wil_sta_status {
};

#define WIL_STA_TID_NUM (16)
+#define WIL_MCS_MAX (12) /* Maximum MCS supported */

struct wil_net_stats {
unsigned long rx_packets;
@@ -473,6 +474,7 @@ struct wil_net_stats {
unsigned long tx_errors;
unsigned long rx_dropped;
u16 last_mcs_rx;
+ u64 rx_per_mcs[WIL_MCS_MAX + 1];
};

/**
--
2.1.4


2015-06-07 13:56:37

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 1/6] wil6210: modparam for bcast ring size

Control Bcast ring size in similar way as Rx and Tx ones,
through "bcast_ring_order" modparam, actual ring size is 1 << order

Signed-off-by: Vladimir Kondratiev <[email protected]>
---
drivers/net/wireless/ath/wil6210/main.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 6d704ae..b9febab 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -100,6 +100,8 @@ module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, S_IRUGO);
MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order");
module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, S_IRUGO);
MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order");
+module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, S_IRUGO);
+MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order");

#define RST_DELAY (20) /* msec, for loop in @wil_target_reset */
#define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */
--
2.1.4


2015-06-07 13:56:39

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 2/6] wil6210: add NIC memory region mac_rgf_ext

Firmware defines new memory region, mac_rgf_ext
that need to be accessed from the host for debug purposes.

Add corresponded mapping

Signed-off-by: Vladimir Kondratiev <[email protected]>
---
drivers/net/wireless/ath/wil6210/wil6210.h | 2 +-
drivers/net/wireless/ath/wil6210/wmi.c | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index f3513a1..ea0163c 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -281,7 +281,7 @@ struct fw_map {
};

/* array size should be in sync with actual definition in the wmi.c */
-extern const struct fw_map fw_mapping[7];
+extern const struct fw_map fw_mapping[8];

/**
* mk_cidxtid - construct @cidxtid field
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 3dc8daf..26c707f 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -85,6 +85,7 @@ const struct fw_map fw_mapping[] = {
{0x880000, 0x88a000, 0x880000, "rgf"}, /* various RGF 40k */
{0x88a000, 0x88b000, 0x88a000, "AGC_tbl"}, /* AGC table 4k */
{0x88b000, 0x88c000, 0x88b000, "rgf_ext"}, /* Pcie_ext_rgf 4k */
+ {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext"}, /* mac_ext_rgf 512b */
{0x8c0000, 0x949000, 0x8c0000, "upper"}, /* upper area 548k */
/*
* 920000..930000 ucode code RAM
--
2.1.4


2015-06-07 13:56:45

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 6/6] wil6210: reorder init sequence

Need to reorder init sequence to run wil_platform_init
before pci_enable_device. Assumption is platform init
may be required before device may be enabled.
Another issue, platform uninit should be called after
pci_disable_device because platform uninit may render
pci device non-accessible.

Signed-off-by: Vladimir Kondratiev <[email protected]>
---
drivers/net/wireless/ath/wil6210/netdev.c | 3 +-
drivers/net/wireless/ath/wil6210/pcie_bus.c | 77 ++++++++++++++-----------
drivers/net/wireless/ath/wil6210/wil6210.h | 2 +-
drivers/net/wireless/ath/wil6210/wil_platform.c | 5 +-
4 files changed, 48 insertions(+), 39 deletions(-)

diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c
index 6042f61..8ef18ac 100644
--- a/drivers/net/wireless/ath/wil6210/netdev.c
+++ b/drivers/net/wireless/ath/wil6210/netdev.c
@@ -132,7 +132,7 @@ static void wil_dev_setup(struct net_device *dev)
dev->tx_queue_len = WIL_TX_Q_LEN_DEFAULT;
}

-void *wil_if_alloc(struct device *dev, void __iomem *csr)
+void *wil_if_alloc(struct device *dev)
{
struct net_device *ndev;
struct wireless_dev *wdev;
@@ -147,7 +147,6 @@ void *wil_if_alloc(struct device *dev, void __iomem *csr)
}

wil = wdev_to_wil(wdev);
- wil->csr = csr;
wil->wdev = wdev;

wil_dbg_misc(wil, "%s()\n", __func__);
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index a4417d4..aa3ecc6 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -163,7 +163,6 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct wil6210_priv *wil;
struct device *dev = &pdev->dev;
- void __iomem *csr;
int rc;

/* check HW */
@@ -178,9 +177,28 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENODEV;
}

+ wil = wil_if_alloc(dev);
+ if (IS_ERR(wil)) {
+ rc = (int)PTR_ERR(wil);
+ dev_err(dev, "wil_if_alloc failed: %d\n", rc);
+ return rc;
+ }
+ wil->pdev = pdev;
+ pci_set_drvdata(pdev, wil);
+ /* rollback to if_free */
+
+ wil->platform_handle =
+ wil_platform_init(&pdev->dev, &wil->platform_ops);
+ if (!wil->platform_handle) {
+ rc = -ENODEV;
+ wil_err(wil, "wil_platform_init failed\n");
+ goto if_free;
+ }
+ /* rollback to err_plat */
+
rc = pci_enable_device(pdev);
if (rc) {
- dev_err(&pdev->dev,
+ wil_err(wil,
"pci_enable_device failed, retry with MSI only\n");
/* Work around for platforms that can't allocate IRQ:
* retry with MSI only
@@ -188,47 +206,37 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pdev->msi_enabled = 1;
rc = pci_enable_device(pdev);
}
- if (rc)
- return -ENODEV;
+ if (rc) {
+ wil_err(wil,
+ "pci_enable_device failed, even with MSI only\n");
+ goto err_plat;
+ }
/* rollback to err_disable_pdev */

rc = pci_request_region(pdev, 0, WIL_NAME);
if (rc) {
- dev_err(&pdev->dev, "pci_request_region failed\n");
+ wil_err(wil, "pci_request_region failed\n");
goto err_disable_pdev;
}
/* rollback to err_release_reg */

- csr = pci_ioremap_bar(pdev, 0);
- if (!csr) {
- dev_err(&pdev->dev, "pci_ioremap_bar failed\n");
+ wil->csr = pci_ioremap_bar(pdev, 0);
+ if (!wil->csr) {
+ wil_err(wil, "pci_ioremap_bar failed\n");
rc = -ENODEV;
goto err_release_reg;
}
/* rollback to err_iounmap */
- dev_info(&pdev->dev, "CSR at %pR -> 0x%p\n", &pdev->resource[0], csr);
-
- wil = wil_if_alloc(dev, csr);
- if (IS_ERR(wil)) {
- rc = (int)PTR_ERR(wil);
- dev_err(dev, "wil_if_alloc failed: %d\n", rc);
- goto err_iounmap;
- }
- /* rollback to if_free */
+ wil_info(wil, "CSR at %pR -> 0x%p\n", &pdev->resource[0], wil->csr);

- pci_set_drvdata(pdev, wil);
- wil->pdev = pdev;
wil_set_capabilities(wil);
wil6210_clear_irq(wil);

- wil->platform_handle =
- wil_platform_init(&pdev->dev, &wil->platform_ops);
-
/* FW should raise IRQ when ready */
rc = wil_if_pcie_enable(wil);
if (rc) {
wil_err(wil, "Enable device failed\n");
- goto if_free;
+ goto err_iounmap;
}
/* rollback to bus_disable */

@@ -243,18 +251,19 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)

return 0;

- bus_disable:
+bus_disable:
wil_if_pcie_disable(wil);
- if_free:
+err_iounmap:
+ pci_iounmap(pdev, wil->csr);
+err_release_reg:
+ pci_release_region(pdev, 0);
+err_disable_pdev:
+ pci_disable_device(pdev);
+err_plat:
if (wil->platform_ops.uninit)
wil->platform_ops.uninit(wil->platform_handle);
+if_free:
wil_if_free(wil);
- err_iounmap:
- pci_iounmap(pdev, csr);
- err_release_reg:
- pci_release_region(pdev, 0);
- err_disable_pdev:
- pci_disable_device(pdev);

return rc;
}
@@ -269,12 +278,12 @@ static void wil_pcie_remove(struct pci_dev *pdev)
wil6210_debugfs_remove(wil);
wil_if_remove(wil);
wil_if_pcie_disable(wil);
- if (wil->platform_ops.uninit)
- wil->platform_ops.uninit(wil->platform_handle);
- wil_if_free(wil);
pci_iounmap(pdev, csr);
pci_release_region(pdev, 0);
pci_disable_device(pdev);
+ if (wil->platform_ops.uninit)
+ wil->platform_ops.uninit(wil->platform_handle);
+ wil_if_free(wil);
}

static const struct pci_device_id wil6210_pcie_ids[] = {
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 78c7536..275355d 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -686,7 +686,7 @@ void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
size_t count);

-void *wil_if_alloc(struct device *dev, void __iomem *csr);
+void *wil_if_alloc(struct device *dev);
void wil_if_free(struct wil6210_priv *wil);
int wil_if_add(struct wil6210_priv *wil);
void wil_if_remove(struct wil6210_priv *wil);
diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.c b/drivers/net/wireless/ath/wil6210/wil_platform.c
index 1db680f..de15f14 100644
--- a/drivers/net/wireless/ath/wil6210/wil_platform.c
+++ b/drivers/net/wireless/ath/wil6210/wil_platform.c
@@ -35,10 +35,11 @@ void wil_platform_modexit(void)
*/
void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops)
{
- void *handle = NULL;
+ void *handle = ops; /* to return some non-NULL for 'void' impl. */

if (!ops) {
- dev_err(dev, "Invalid parameter. Cannot init platform module\n");
+ dev_err(dev,
+ "Invalid parameter. Cannot init platform module\n");
return NULL;
}

--
2.1.4


2015-06-09 11:46:01

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH 0/6] wil6210 patches

Vladimir Kondratiev <[email protected]> writes:

> Small fixes here and there; save for hidden SSID
>
> Hamad Kadmany (1):
> wil6210: Support hidden SSID
>
> Vladimir Kondratiev (5):
> wil6210: modparam for bcast ring size
> wil6210: add NIC memory region mac_rgf_ext
> wil6210: add per-MCS Rx stats
> wil6210: platform hooks for modile init/exit
> wil6210: reorder init sequence

Thanks, all six applied.

--
Kalle Valo

2015-06-07 13:56:44

by Vladimir Kondratiev

[permalink] [raw]
Subject: [PATCH 5/6] wil6210: platform hooks for modile init/exit

Provide platform hooks for module init/exit.
If platform require to perform some specific actions
in global context, this is where to do so.

Example may be turning on power for the PCIE based
on DT information.

Signed-off-by: Vladimir Kondratiev <[email protected]>
---
drivers/net/wireless/ath/wil6210/pcie_bus.c | 22 +++++++++++++++++++++-
drivers/net/wireless/ath/wil6210/wil_platform.c | 9 +++++++++
drivers/net/wireless/ath/wil6210/wil_platform.h | 3 +++
3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index 58c7916..a4417d4 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -291,7 +291,27 @@ static struct pci_driver wil6210_driver = {
.name = WIL_NAME,
};

-module_pci_driver(wil6210_driver);
+static int __init wil6210_driver_init(void)
+{
+ int rc;
+
+ rc = wil_platform_modinit();
+ if (rc)
+ return rc;
+
+ rc = pci_register_driver(&wil6210_driver);
+ if (rc)
+ wil_platform_modexit();
+ return rc;
+}
+module_init(wil6210_driver_init);
+
+static void __exit wil6210_driver_exit(void)
+{
+ pci_unregister_driver(&wil6210_driver);
+ wil_platform_modexit();
+}
+module_exit(wil6210_driver_exit);

MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Qualcomm Atheros <[email protected]>");
diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.c b/drivers/net/wireless/ath/wil6210/wil_platform.c
index 976a071..1db680f 100644
--- a/drivers/net/wireless/ath/wil6210/wil_platform.c
+++ b/drivers/net/wireless/ath/wil6210/wil_platform.c
@@ -17,6 +17,15 @@
#include "linux/device.h"
#include "wil_platform.h"

+int __init wil_platform_modinit(void)
+{
+ return 0;
+}
+
+void wil_platform_modexit(void)
+{
+}
+
/**
* wil_platform_init() - wil6210 platform module init
*
diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.h b/drivers/net/wireless/ath/wil6210/wil_platform.h
index 158c73b..d7fa19b 100644
--- a/drivers/net/wireless/ath/wil6210/wil_platform.h
+++ b/drivers/net/wireless/ath/wil6210/wil_platform.h
@@ -31,4 +31,7 @@ struct wil_platform_ops {

void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops);

+int __init wil_platform_modinit(void);
+void wil_platform_modexit(void);
+
#endif /* __WIL_PLATFORM_H__ */
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2.1.4