From: Vladimir Kondratiev Date: Mon, 28 Jan 2013 16:31:08 +0000 (+0200) Subject: wil6210: Never delete Rx chain with firmware X-Git-Tag: v3.12-rc1~1247^2~28^2^2~62^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2acb4220b264f9d229db01ccc390b8beb37b55af;p=kernel%2Fkernel-generic.git wil6210: Never delete Rx chain with firmware Firmware crash on attempt to delete Rx chain. Driver part of Rx chain removed only in preparation for the target reset; as reset is the only flow that removes Rx chain in the firmware. Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 48cfa7e..1985951 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -511,10 +511,8 @@ void wil_rx_fini(struct wil6210_priv *wil) { struct vring *vring = &wil->vring_rx; - if (vring->va) { - wmi_rx_chain_del(wil); + if (vring->va) wil_vring_free(wil, vring, 0); - } } int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size, diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 69e5162..aea961f 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -327,7 +327,6 @@ int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index, const void *mac_addr, int key_len, const void *key); int wmi_echo(struct wil6210_priv *wil); int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie); -int wmi_rx_chain_del(struct wil6210_priv *wil); int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring); int wil6210_init_irq(struct wil6210_priv *wil, int irq); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 8178cc0..0b70e17 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -902,28 +902,6 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring) return rc; } -int wmi_rx_chain_del(struct wil6210_priv *wil) -{ - int rc; - struct wmi_cfg_rx_chain_cmd cmd = { - .action = cpu_to_le32(WMI_RX_CHAIN_DEL), - .rx_sw_ring = { - .max_mpdu_size = cpu_to_le16(RX_BUF_LEN), - }, - }; - struct { - struct wil6210_mbox_hdr_wmi wmi; - struct wmi_cfg_rx_chain_done_event cfg; - } __packed wmi_rx_cfg_reply; - - rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd), - WMI_CFG_RX_CHAIN_DONE_EVENTID, - &wmi_rx_cfg_reply, sizeof(wmi_rx_cfg_reply), - 100); - - return rc; -} - void wmi_event_flush(struct wil6210_priv *wil) { struct pending_wmi_event *evt, *t;