On 04/12/2019, Girish Mahadevan <[email protected]> wrote: > Hi > > We're trying to bring up a Silex SDMAC WiFi module (it is an SDIO > module based on QCA9377) on a > beaglebone-x15(https://beagleboard.org/x15) board. > Our kernel version: > root@beagle-x15:~# uname -a > Linux beagle-x15 4.19.79-gfbf2b6dfdb #1 SMP PREEMPT Wed Dec 4 18:28:14 > UTC 2019 armv7l armv7l armv7l GNU/Linux > > We enabled the QCA driver by enabling these config items. > > CONFIG_ATH_COMMON=m > CONFIG_ATH10K=m > CONFIG_ATH10K_CE=y > CONFIG_ATH10K_SDIO=m > CONFIG_ATH10K_DEBUG=y > CONFIG_ATH10K_DEBUGFS=y > CONFIG_ATH10K_SPECTRAL=y > > and we enabled the firmware by adding this to our image install > + linux-firmware-ath10k \ > > The probe of the module fails initially due to missing firmware image > (even though the firmware is present in /lib/firmware) > > [ 40.390154] ath10k_sdio mmc2:0001:1: WARNING: ath10k SDIO support > is incomplete, don't expect anything to work! > [ 40.463406] ath10k_sdio mmc2:0001:1: Failed to find firmware-N.bin > (N between 2 and 6) from ath10k/QCA9377/hw1.0: -2 > [ 40.474042] ath10k_sdio mmc2:0001:1: could not fetch firmware files (-2) > [ 40.481136] ath10k_sdio mmc2:0001:1: could not probe fw (-2) > > Looking at the driver code , looks like it expects to find the > bus-type as part of the firmware image, I renamed the firmware image > as: > root@beagle-x15:~# cp > /lib/firmware/ath10k/QCA9377/hw1.0/firmware-6.bin > /lib/firmware/ath10k/QCA9377/hw1.0/firmware-sdio-6.bin > > After this the probe seems to go further but fails on a > dma_alloc_coherent(). > Looks like the dma_mask for the device isn't set so > dma_alloc_coherent() fails. (I think) > Has anyone come across this and has it been addressed ? > [I looked at git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git > , I couldn't tell (cursory look at the commit log)] > > > root@beagle-x15:~# [ 203.621784] mmc2: queuing unknown CIS tuple 0x01 (3 > bytes) > [ 203.637659] mmc2: queuing unknown CIS tuple 0x1a (5 bytes) > [ 203.647718] mmc2: queuing unknown CIS tuple 0x1b (8 bytes) > [ 203.654471] mmc2: queuing unknown CIS tuple 0x14 (0 bytes) > [ 203.669842] mmc2: queuing unknown CIS tuple 0x80 (1 bytes) > [ 203.675761] mmc2: queuing unknown CIS tuple 0x81 (1 bytes) > [ 203.681657] mmc2: queuing unknown CIS tuple 0x82 (1 bytes) > [ 203.687672] mmc2: new high speed SDIO card at address 0001 > [ 203.708712] ath10k_sdio mmc2:0001:1: WARNING: ath10k SDIO support > is incomplete, don't expect anything to work! > [ 203.784129] ath10k_sdio mmc2:0001:1: qca9377 hw1.1 target > 0x05020001 chip_id 0x00000000 sub 0000:0000 > [ 203.793498] ath10k_sdio mmc2:0001:1: kconfig debug 1 debugfs 1 > tracing 0 dfs 0 testmode 1 > [ 203.803778] ath10k_sdio mmc2:0001:1: firmware ver > WLAN.TF.2.1-00021-QCARMSWP-1 api 6 features wowlan,ignore-otp crc32 > 42e41877 > [ 203.977731] ath10k_sdio mmc2:0001:1: failed to fetch board data for > bus=sdio,vendor=0271,device=0701,subsystem-vendor=0000,subsystem-device=0000 > from ath10k/QCA9377/hw1.0/board-2.bin > [ 203.995110] ath10k_sdio mmc2:0001:1: board_file api 1 bmi_id N/A > crc32 544289f7 > [ 205.611906] ------------[ cut here ]------------ > [ 205.616633] WARNING: CPU: 1 PID: 71 at > include/linux/dma-mapping.h:517 > ath10k_htt_tx_alloc_cont_txbuf_32+0x150/0x170 [ath10k_core] > [ 205.628811] Modules linked in: bnep xhci_plat_hcd xhci_hcd usbcore > pru_rproc irq_pruss_intc pruss dwc3 udc_core usb_common > snd_soc_simple_card snd_soc_simple_card_utils ath10k_sdio ath10k_core > ath ahci_platform libahci_platform libahci snd_soc_omap_hdmi > omap_aes_driver pruss_soc_bus omap_sham omap_wdt libata phy_omap_usb2 > mac80211 ti_vpe ti_sc ti_csc ti_vpdma dwc3_omap rtc_omap omap_des > c_can_platform c_can cfg80211 omap_hdq des_generic crypto_engine > can_dev wire extcon_palmas omap_crypto rtc_palmas snd_soc_tlv320aic3x > rtc_ds1307 at24 omap_remoteproc remoteproc bridge stp llc sch_fq_codel > [ 205.681691] CPU: 1 PID: 71 Comm: kworker/u4:1 Not tainted > 4.19.79-gfbf2b6dfdb #1 > [ 205.689120] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 205.695324] Workqueue: ath10k_wq ath10k_core_register_work [ath10k_core] > [ 205.702057] Backtrace: > [ 205.704526] [<c020cc6c>] (dump_backtrace) from [<c020cfa8>] > (show_stack+0x18/0x1c) > [ 205.712131] r7:bf3513cc r6:60000013 r5:00000000 r4:c1251180 > [ 205.717821] [<c020cf90>] (show_stack) from [<c0a59234>] > (dump_stack+0x90/0xa4) > [ 205.725078] [<c0a591a4>] (dump_stack) from [<c022e4dc>] > (__warn+0xdc/0xf8) > [ 205.731983] r7:bf3513cc r6:00000009 r5:00000000 r4:00000000 > [ 205.737670] [<c022e400>] (__warn) from [<c022e540>] > (warn_slowpath_null+0x48/0x50) > [ 205.745273] r9:00001234 r8:ec591520 r7:ec5916a0 r6:bf324d88 > r5:00000205 r4:bf3513cc > [ 205.753111] [<c022e4f8>] (warn_slowpath_null) from [<bf324d88>] > (ath10k_htt_tx_alloc_cont_txbuf_32+0x150/0x170 [ath10k_core]) > [ 205.764462] r6:ecdf0208 r5:c0c0147c r4:0000a500 > [ 205.769217] [<bf324c38>] (ath10k_htt_tx_alloc_cont_txbuf_32 > [ath10k_core]) from [<bf326438>] (ath10k_htt_tx_start+0x88/0x358 > [ath10k_core]) > [ 205.781791] r8:000b1855 r7:ec591520 r6:00000000 r5:ec590e00 r4:ec591520 > [ 205.788636] [<bf3263b0>] (ath10k_htt_tx_start [ath10k_core]) from > [<bf31c054>] (ath10k_core_start+0x350/0xc68 [ath10k_core]) > [ 205.799901] r10:ec5901a0 r9:00001234 r8:000b1855 r7:ec591520 > r6:00000000 r5:00000000 > [ 205.807762] r4:ec590e00 > [ 205.810420] [<bf31bd04>] (ath10k_core_start [ath10k_core]) from > [<bf31db88>] (ath10k_core_register_work+0x518/0x964 [ath10k_core]) > [ 205.822209] r9:ec590e08 r8:ec5919bc r7:ec591984 r6:00000000 > r5:ec591a88 r4:ec590e00 > [ 205.830044] [<bf31d670>] (ath10k_core_register_work [ath10k_core]) > from [<c02468bc>] (process_one_work+0x1f4/0x404) > [ 205.840526] r10:00000000 r9:ec593a8c r8:00000000 r7:ec667600 > r6:ee806200 r5:ee370e00 > [ 205.848388] r4:ec593a88 > [ 205.850935] [<c02466c8>] (process_one_work) from [<c02476b0>] > (worker_thread+0x58/0x568) > [ 205.859063] r10:ee806200 r9:c1203d00 r8:ee806218 r7:00000088 > r6:ee806200 r5:ee370e14 > [ 205.866924] r4:ee370e00 > [ 205.869472] [<c0247658>] (worker_thread) from [<c024cc14>] > (kthread+0x160/0x168) > [ 205.876901] r10:ee8b1e74 r9:c0247658 r8:ee370e00 r7:edee4000 > r6:00000000 r5:ee383780 > [ 205.884761] r4:ee3837c0 > [ 205.887310] [<c024cab4>] (kthread) from [<c02010d8>] > (ret_from_fork+0x14/0x3c) > [ 205.894563] Exception stack(0xedee5fb0 to 0xedee5ff8) > [ 205.899635] 5fa0: 00000000 > 00000000 00000000 00000000 > [ 205.907849] 5fc0: 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 00000000 > [ 205.916061] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 > [ 205.922707] r10:00000000 r9:00000000 r8:00000000 r7:00000000 > r6:00000000 r5:c024cab4 > [ 205.930570] r4:ee383780 > [ 205.937490] ---[ end trace 13ec8832fc653004 ]--- > [ 205.942169] ath10k_sdio mmc2:0001:1: coherent DMA mask is unset > [ 205.948114] ath10k_sdio mmc2:0001:1: coherent allocation too big > (requested 0xa500 mask 0x0) > [ 205.956896] ath10k_sdio mmc2:0001:1: failed to alloc cont tx buffer: -12 > [ 205.963666] ath10k_sdio mmc2:0001:1: failed to alloc htt tx: -12 > [ 205.969805] ath10k_sdio mmc2:0001:1: could not init core (-12) > [ 205.975983] ath10k_sdio mmc2:0001:1: unable to disable sdio function: -5 > [ 205.982754] ath10k_sdio mmc2:0001:1: could not probe fw (-12) > > Any help would be most appreciated.Thanks in advance. > > Best Regards > Girish > > _______________________________________________ > ath10k mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/ath10k >
Hi seems like there were some disagreements on how to allocate memory; you can try this patch: https://patchwork.kernel.org/patch/7681571/ or revert the one that "fixed" it _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
