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Subject[PATCH v2 04/50] wilc1000: factor common code in wilc_wlan_cfg_set() and wilc_wlan_cfg_get()
Date
The functions are almost identical, so factor the common code into new
function wilc_wlan_cfg_apply_wid(). No functional change.

Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
---
.../net/wireless/microchip/wilc1000/wlan.c | 79 ++++++++++---------
1 file changed, 41 insertions(+), 38 deletions(-)

diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c
index d1f68df1dbeef..97624f758cbe4 100644
--- a/drivers/net/wireless/microchip/wilc1000/wlan.c
+++ b/drivers/net/wireless/microchip/wilc1000/wlan.c
@@ -1276,8 +1276,28 @@ static int wilc_wlan_cfg_commit(struct wilc_vif *vif, int type,
return 0;
}

-int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
- u32 buffer_size, int commit, u32 drv_handler)
+/**
+ * wilc_wlan_cfg_apply_wid() - Add a config set or get (query).
+ * @vif: The virtual interface to which the set/get applies.
+ * @start: Should be 1 if a new config packet should be initialized,
+ * 0 otherwise.
+ * @wid: The WID to use.
+ * @buffer: For a set, the bytes to include in the request,
+ * for a get, the buffer in which to return the result.
+ * @buffer_size: The size of the buffer in bytes.
+ * @commit: Should be 1 if the config packet should be sent after
+ * adding this request/query.
+ * @drv_handler: An opaque cookie that will be sent in the config header.
+ * @set: Should be true if a set, false for get.
+ *
+ * Add a WID set/query to the current config packet and optionally
+ * submit the resulting packet to the chip and wait for its reply.
+ *
+ * Return: Zero on failure, positive number on success.
+ */
+static int wilc_wlan_cfg_apply_wid(struct wilc_vif *vif, int start, u16 wid,
+ u8 *buffer, u32 buffer_size, int commit,
+ u32 drv_handler, bool set)
{
u32 offset;
int ret_size;
@@ -1289,8 +1309,12 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
wilc->cfg_frame_offset = 0;

offset = wilc->cfg_frame_offset;
- ret_size = wilc_wlan_cfg_set_wid(wilc->cfg_frame.frame, offset,
- wid, buffer, buffer_size);
+ if (set)
+ ret_size = wilc_wlan_cfg_set_wid(wilc->cfg_frame.frame, offset,
+ wid, buffer, buffer_size);
+ else
+ ret_size = wilc_wlan_cfg_get_wid(wilc->cfg_frame.frame, offset,
+ wid);
offset += ret_size;
wilc->cfg_frame_offset = offset;

@@ -1299,9 +1323,11 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
return ret_size;
}

- netdev_dbg(vif->ndev, "%s: seqno[%d]\n", __func__, wilc->cfg_seq_no);
+ netdev_dbg(vif->ndev, "%s: %s seqno[%d]\n",
+ __func__, set ? "set" : "get", wilc->cfg_seq_no);

- if (wilc_wlan_cfg_commit(vif, WILC_CFG_SET, drv_handler))
+ if (wilc_wlan_cfg_commit(vif, set ? WILC_CFG_SET : WILC_CFG_QUERY,
+ drv_handler))
ret_size = 0;

if (!wait_for_completion_timeout(&wilc->cfg_event,
@@ -1317,41 +1343,18 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
return ret_size;
}

+int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
+ u32 buffer_size, int commit, u32 drv_handler)
+{
+ return wilc_wlan_cfg_apply_wid(vif, start, wid, buffer, buffer_size,
+ commit, drv_handler, true);
+}
+
int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
u32 drv_handler)
{
- u32 offset;
- int ret_size;
- struct wilc *wilc = vif->wilc;
-
- mutex_lock(&wilc->cfg_cmd_lock);
-
- if (start)
- wilc->cfg_frame_offset = 0;
-
- offset = wilc->cfg_frame_offset;
- ret_size = wilc_wlan_cfg_get_wid(wilc->cfg_frame.frame, offset, wid);
- offset += ret_size;
- wilc->cfg_frame_offset = offset;
-
- if (!commit) {
- mutex_unlock(&wilc->cfg_cmd_lock);
- return ret_size;
- }
-
- if (wilc_wlan_cfg_commit(vif, WILC_CFG_QUERY, drv_handler))
- ret_size = 0;
-
- if (!wait_for_completion_timeout(&wilc->cfg_event,
- WILC_CFG_PKTS_TIMEOUT)) {
- netdev_dbg(vif->ndev, "%s: Timed Out\n", __func__);
- ret_size = 0;
- }
- wilc->cfg_frame_offset = 0;
- wilc->cfg_seq_no += 1;
- mutex_unlock(&wilc->cfg_cmd_lock);
-
- return ret_size;
+ return wilc_wlan_cfg_apply_wid(vif, start, wid, NULL, 0,
+ commit, drv_handler, false);
}

int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids,
--
2.25.1
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