RE: [PATCH] libertas sdio: remove CMD_FUNC_INIT call
From: Bing Zhao <hidden>
Date: 2013-01-18 20:36:02
Also in:
linux-wireless, lkml
Hi Lubomir,
quoted hunk ↗ jump to hunk
It actually times out on a 8688 present in GuruPlug with sd8688.bin (md5=7233401e9687f8c880da547beed4324e) firmware (that's present in linux-firmware tree), but the adapter works fine. For that firmware times out with libertas_uap [1] as well, though it succeeds with sd8688_ap.bin (md5=52cd8f8296b9a7e1d3835d57416256b2) that was originally shipped with GuruPlug. That firmware is not in linux-firmware tree and btmrvl driver might win the race programming the 8688 with sd8688.bin anyway. [1] https://github.com/lkundrak/linux/tree/libertas_uap --- drivers/net/wireless/libertas/if_sdio.c | 14 -------------- 1 files changed, 0 insertions(+), 14 deletions(-)diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 2ecab49..3c4c555 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c@@ -825,20 +825,6 @@ static void if_sdio_finish_power_on(struct if_sdio_card *card) sdio_release_host(func); - /* - * FUNC_INIT is required for SD8688 WLAN/BT multiple functions - */ - if (card->model == MODEL_8688) { - struct cmd_header cmd; - - memset(&cmd, 0, sizeof(cmd)); - - lbs_deb_sdio("send function INIT command\n"); - if (__lbs_cmd(priv, CMD_FUNC_INIT, &cmd, sizeof(cmd), - lbs_cmd_copyback, (unsigned long) &cmd)) - netdev_alert(priv->dev, "CMD_FUNC_INIT cmd failed\n"); - } -
Removing FUNC_INIT could break things in some scenarios. Could you please test the following case? 1. insmod liberates -> download firmware, send FUNC_INIT, ... 2. rmmod libertas -> send FUNC_SHUTDOWN command to firmware; BT is still working. 3. insmod libertas -> skip firmware downloading, send FUNC_INIT, ... If FUNC_INIT is removed, I don't expect step 3 to work. Thanks, Bing
priv->fw_ready = 1; wake_up(&card->pwron_waitq); -- 1.7.1