From f7325b85efe1395b52ef1006dafe3c0d4ff79f15 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Tue, 27 Sep 2011 14:30:58 +0300 Subject: [PATCH] ath6kl: add sdio debug messages Add extensive debug messages to sdio.c. Makes it easier to debug various problems. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/debug.h | 2 ++ drivers/net/wireless/ath/ath6kl/sdio.c | 36 ++++++++++++++++++++++++--------- 2 files changed, 29 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/debug.h b/drivers/net/wireless/ath/ath6kl/debug.h index 9f906c2..7c34826 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.h +++ b/drivers/net/wireless/ath/ath6kl/debug.h @@ -36,6 +36,8 @@ enum ATH6K_DEBUG_MASK { ATH6KL_DBG_WLAN_CFG = BIT(13), /* cfg80211 i/f file tracing */ ATH6KL_DBG_RAW_BYTES = BIT(14), /* dump tx/rx and wmi frames */ ATH6KL_DBG_AGGR = BIT(15), /* aggregation */ + ATH6KL_DBG_SDIO = BIT(16), + ATH6KL_DBG_SDIO_DUMP = BIT(17), ATH6KL_DBG_ANY = 0xffffffff /* enable all logs */ }; diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index 4724ddf..f1dc311 100644 --- a/drivers/net/wireless/ath/ath6kl/sdio.c +++ b/drivers/net/wireless/ath/ath6kl/sdio.c @@ -135,10 +135,12 @@ static int ath6kl_sdio_io(struct sdio_func *func, u32 request, u32 addr, int ret = 0; if (request & HIF_WRITE) { + /* FIXME: looks like ugly workaround for something */ if (addr >= HIF_MBOX_BASE_ADDR && addr <= HIF_MBOX_END_ADDR) addr += (HIF_MBOX_WIDTH - len); + /* FIXME: this also looks like ugly workaround */ if (addr == HIF_MBOX0_EXT_BASE_ADDR) addr += HIF_MBOX0_EXT_WIDTH - len; @@ -153,6 +155,11 @@ static int ath6kl_sdio_io(struct sdio_func *func, u32 request, u32 addr, ret = sdio_memcpy_fromio(func, buf, addr, len); } + ath6kl_dbg(ATH6KL_DBG_SDIO, "%s addr 0x%x%s buf 0x%p len %d\n", + request & HIF_WRITE ? "wr" : "rd", addr, + request & HIF_FIXED_ADDRESS ? " (fixed)" : "", buf, len); + ath6kl_dbg_dump(ATH6KL_DBG_SDIO_DUMP, NULL, "sdio ", buf, len); + return ret; } @@ -173,7 +180,8 @@ static struct bus_request *ath6kl_sdio_alloc_busreq(struct ath6kl_sdio *ar_sdio) list_del(&bus_req->list); spin_unlock_irqrestore(&ar_sdio->lock, flag); - ath6kl_dbg(ATH6KL_DBG_TRC, "%s: bus request 0x%p\n", __func__, bus_req); + ath6kl_dbg(ATH6KL_DBG_SCATTER, "%s: bus request 0x%p\n", + __func__, bus_req); return bus_req; } @@ -183,7 +191,8 @@ static void ath6kl_sdio_free_bus_req(struct ath6kl_sdio *ar_sdio, { unsigned long flag; - ath6kl_dbg(ATH6KL_DBG_TRC, "%s: bus request 0x%p\n", __func__, bus_req); + ath6kl_dbg(ATH6KL_DBG_SCATTER, "%s: bus request 0x%p\n", + __func__, bus_req); spin_lock_irqsave(&ar_sdio->lock, flag); list_add_tail(&bus_req->list, &ar_sdio->bus_req_freeq); @@ -438,6 +447,8 @@ static void ath6kl_sdio_irq_handler(struct sdio_func *func) int status; struct ath6kl_sdio *ar_sdio; + ath6kl_dbg(ATH6KL_DBG_SDIO, "irq\n"); + ar_sdio = sdio_get_drvdata(func); atomic_set(&ar_sdio->irq_handling, 1); @@ -675,7 +686,7 @@ static int ath6kl_sdio_enable_scatter(struct ath6kl *ar) MAX_SCATTER_REQUESTS, virt_scat); if (!ret) { - ath6kl_dbg(ATH6KL_DBG_ANY, + ath6kl_dbg(ATH6KL_DBG_SCATTER, "hif-scatter enabled: max scatter req : %d entries: %d\n", MAX_SCATTER_REQUESTS, MAX_SCATTER_ENTRIES_PER_REQ); @@ -700,7 +711,7 @@ static int ath6kl_sdio_enable_scatter(struct ath6kl *ar) return ret; } - ath6kl_dbg(ATH6KL_DBG_ANY, + ath6kl_dbg(ATH6KL_DBG_SCATTER, "Vitual scatter enabled, max_scat_req:%d, entries:%d\n", ATH6KL_SCATTER_REQS, ATH6KL_SCATTER_ENTRIES_PER_REQ); @@ -723,6 +734,9 @@ static int ath6kl_sdio_suspend(struct ath6kl *ar) if (!(flags & MMC_PM_KEEP_POWER)) /* as host doesn't support keep power we need to bail out */ + ath6kl_dbg(ATH6KL_DBG_SDIO, + "func %d doesn't support MMC_PM_KEEP_POWER\n", + func->num); return -EINVAL; ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); @@ -758,10 +772,10 @@ static int ath6kl_sdio_probe(struct sdio_func *func, struct ath6kl *ar; int count; - ath6kl_dbg(ATH6KL_DBG_TRC, - "%s: func: 0x%X, vendor id: 0x%X, dev id: 0x%X, block size: 0x%X/0x%X\n", - __func__, func->num, func->vendor, - func->device, func->max_blksize, func->cur_blksize); + ath6kl_dbg(ATH6KL_DBG_SDIO, + "new func %d vendor 0x%x device 0x%x block 0x%x/0x%x\n", + func->num, func->vendor, func->device, + func->max_blksize, func->cur_blksize); ar_sdio = kzalloc(sizeof(struct ath6kl_sdio), GFP_KERNEL); if (!ar_sdio) @@ -820,7 +834,7 @@ static int ath6kl_sdio_probe(struct sdio_func *func, goto err_cfg80211; } - ath6kl_dbg(ATH6KL_DBG_TRC, "4-bit async irq mode enabled\n"); + ath6kl_dbg(ATH6KL_DBG_SDIO, "4-bit async irq mode enabled\n"); } /* give us some time to enable, in ms */ @@ -868,6 +882,10 @@ static void ath6kl_sdio_remove(struct sdio_func *func) { struct ath6kl_sdio *ar_sdio; + ath6kl_dbg(ATH6KL_DBG_SDIO, + "removed func %d vendor 0x%x device 0x%x\n", + func->num, func->vendor, func->device); + ar_sdio = sdio_get_drvdata(func); ath6kl_stop_txrx(ar_sdio->ar); -- 2.7.4