Hi Tony, > > Hi all, > > Here's a series of patches to add runtime PM support for wlcore. It does not > yet implement autosuspend support, but let's get this tested first as the > autosuspend can mask enable/disable issues easily. > > Regards, > > Tony > > Changes since v1: > > - Fix issues reported by Eyal for recovery > Testing on BBB+WL1837 cape, scan, recovery, down/up and basic traffic seems ok now. Of course we need to test some more. Standard suspend/resume seems to work ok as well. Ennabling wowlan and suspending is crashing on resume. See below. root@am335x-evm:/usr/share/wl18xx# iw phy0 wowlan enable any root@am335x-evm:/usr/share/wl18xx# root@am335x-evm:/usr/share/wl18xx# echo mem > /sys/power/state [ 541.567039] PM: suspend entry (deep) [ 541.570688] PM: Syncing filesystems ... done. [ 541.594277] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 541.603160] OOM killer disabled. [ 541.606738] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 541.615984] Suspending console(s) (use no_console_suspend to debug) [ 542.895091] pm33xx pm33xx: PM: Successfully put all powerdomains to target state [ 542.895091] PM: Wakeup source UART [ 542.919791] net eth0: initializing cpsw version 1.12 (0) [ 543.017880] SMSC LAN8710/LAN8720 4a101000.mdio:00: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=4a101000.mdio:00, irq=POLL) [ 543.027646] ------------[ cut here ]------------ [ 543.028023] WARNING: CPU: 0 PID: 932 at drivers/net/wireless/ti/wlcore/cmd.c:76 wlcore_cmd_send_failsafe+0x498/0x4f8 [wlcore] [ 543.028033] Modules linked in: ctr aes_arm_bs crypto_simd cryptd ccm arc4 pru_rproc pruss_intc wl18xx usb_f_acm u_serial wlcore mac80211 cfg80211 pruss usb_f_ecm musb_dsps musb_hdrc usbcore phy_am335x phy_generic phy_am335x_control xfrm_user xfrm4_tunnel ipcomp xfrm_ipcomp esp4 ah4 af_key xfrm_algo g_multi usb_f_mass_storage usb_f_rndis u_ether libcomposite udc_core usb_common bluetooth ecdh_generic snd_soc_simple_card snd_soc_simple_card_utils pm33xx wkup_m3_ipc wkup_m3_rproc remoteproc omap_aes_driver crypto_engine omap_crypto omap_sham ti_emif_sram pruss_soc_bus wlcore_sdio rtc_omap musb_am335x omap_wdt sch_fq_codel [ 543.028408] CPU: 0 PID: 932 Comm: kworker/u2:9 Not tainted 4.14.40-01413-g36a61bea-dirty #104 [ 543.028418] Hardware name: Generic AM33XX (Flattened Device Tree) [ 543.028466] Workqueue: events_unbound async_run_entry_fn [ 543.028480] Backtrace: [ 543.028541] [<c010baf8>] (dump_backtrace) from [<c010bd5c>] (show_stack+0x18/0x1c) [ 543.028565] r6:00000000 r5:bf3a759c r4:00000000 r3:c0d53158 [ 543.028602] [<c010bd44>] (show_stack) from [<c0805dd0>] (dump_stack+0x20/0x28) [ 543.028637] [<c0805db0>] (dump_stack) from [<c01287bc>] (__warn+0xdc/0x104) [ 543.028665] [<c01286e0>] (__warn) from [<c012880c>] (warn_slowpath_null+0x28/0x30) [ 543.028691] r10:c0d5310c r8:00000000 r7:00000000 r6:d6be5080 r5:0000000c r4:db59ed00 [ 543.028896] [<c01287e4>] (warn_slowpath_null) from [<bf393874>] (wlcore_cmd_send_failsafe+0x498/0x4f8 [wlcore]) [ 543.029232] [<bf3933dc>] (wlcore_cmd_send_failsafe [wlcore]) from [<bf394e60>] (wlcore_cmd_configure_failsafe+0x60/0xd8 [wlcore]) [ 543.029259] r10:c0d5310c r9:db59e258 r8:00000000 r7:00000000 r6:00000024 r5:db59ed00 [ 543.029269] r4:d6be5080 [ 543.029597] [<bf394e00>] (wlcore_cmd_configure_failsafe [wlcore]) from [<bf394ef4>] (wl1271_cmd_configure+0x1c/0x28 [wlcore]) [ 543.029614] r6:db59ed00 r5:00000001 r4:d6be5080 [ 543.029943] [<bf394ed8>] (wl1271_cmd_configure [wlcore]) from [<bf39da70>] (wl1271_acx_default_rx_filter_enable+0x60/0xac [wlcore]) [ 543.030272] [<bf39da10>] (wl1271_acx_default_rx_filter_enable [wlcore]) from [<bf39201c>] (wl1271_configure_wowlan+0x148/0x3c4 [wlcore]) [ 543.030292] r7:db59ed38 r6:db59ee20 r5:00000000 r4:dc705bc8 [ 543.030616] [<bf391ed4>] (wl1271_configure_wowlan [wlcore]) from [<bf3925a8>] (wl1271_op_resume+0x310/0x344 [wlcore]) [ 543.030643] r10:c0d5310c r9:db59e258 r8:00000000 r7:db59ed38 r6:db59ee20 r5:db59ed00 [ 543.030652] r4:dc705bc8 [ 543.031484] [<bf392298>] (wl1271_op_resume [wlcore]) from [<bf343a0c>] (ieee80211_reconfig+0x418/0xc0c [mac80211]) [ 543.031509] r8:00000000 r7:db59e28c r6:bf2c75e8 r5:00000000 r4:db59e420 [ 543.032290] [<bf3435f4>] (ieee80211_reconfig [mac80211]) from [<bf32fd9c>] (ieee80211_resume+0x58/0x70 [mac80211]) [ 543.032318] r10:c0d5310c r9:db59e258 r8:00000000 r7:db59e28c r6:bf2c75e8 r5:00000000 [ 543.032327] r4:db59e420 [ 543.033150] [<bf32fd44>] (ieee80211_resume [mac80211]) from [<bf2c763c>] (wiphy_resume+0x54/0x64 [cfg80211]) [ 543.033165] r4:db59e258 r3:bf32fd44 [ 543.033448] [<bf2c75e8>] (wiphy_resume [cfg80211]) from [<c053c79c>] (dpm_run_callback+0x40/0xcc) [ 543.033462] r4:00000000 r3:00000000 [ 543.033489] [<c053c75c>] (dpm_run_callback) from [<c053ce24>] (device_resume+0xbc/0x234) [ 543.033515] r10:00000000 r9:dc005000 r8:00000000 r6:00000010 r5:00000001 r4:db59e258 [ 543.033542] [<c053cd68>] (device_resume) from [<c053cfbc>] (async_resume+0x20/0x4c) [ 543.033567] r8:00000000 r7:dc004100 r6:c0d4fde0 r5:c0d89b30 r4:db59e258 r3:00000000 [ 543.033600] [<c053cf9c>] (async_resume) from [<c01483e4>] (async_run_entry_fn+0x44/0x140) [ 543.033614] r5:d6be5480 r4:d6be5490 [ 543.033646] [<c01483a0>] (async_run_entry_fn) from [<c013f128>] (process_one_work+0x12c/0x374) [ 543.033666] r6:dc005000 r5:d6be5490 r4:db5ee780 r3:c01483a0 [ 543.033690] [<c013effc>] (process_one_work) from [<c013f570>] (worker_thread+0x1c0/0x5b8) [ 543.033717] r10:00000088 r9:dc005000 r8:c0d16380 r7:db5ee798 r6:dc005014 r5:dc005000 [ 543.033727] r4:db5ee780 [ 543.033760] [<c013f3b0>] (worker_thread) from [<c014526c>] (kthread+0x11c/0x154) [ 543.033786] r10:c013f3b0 r9:db5a1eb4 r8:db5ee780 r7:d6be53d8 r6:d6be5500 r5:00000000 [ 543.033798] r4:d6be53c0 r3:00000000 [ 543.033833] [<c0145150>] (kthread) from [<c0107f68>] (ret_from_fork+0x14/0x2c) [ 543.033859] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0145150 [ 543.033872] r4:d6be5500 r3:ffffffff [ 543.033885] ---[ end trace 980798e27041136d ]--- > - Add few patches for enable/disable issues found when using runtime PM > > - Remove unused ps.h includes > > Tony Lindgren (5): > wlcore: Add missing PM call for wlcore_cmd_wait_for_event_or_timeout() > wlcore: Make sure PM calls are paired > wlcore: Add support for runtime PM > wlcore: Fix misplaced PM call for scan_complete_work() > wlcore: sdio: Warn about runtime PM suspend errors > > drivers/net/wireless/ti/wl18xx/debugfs.c | 26 +- > drivers/net/wireless/ti/wlcore/acx.c | 1 - > drivers/net/wireless/ti/wlcore/cmd.c | 9 + > drivers/net/wireless/ti/wlcore/debugfs.c | 79 ++-- > drivers/net/wireless/ti/wlcore/main.c | 404 ++++++++++++++------ > drivers/net/wireless/ti/wlcore/ps.c | 146 ------- > drivers/net/wireless/ti/wlcore/ps.h | 3 - > drivers/net/wireless/ti/wlcore/scan.c | 12 +- > drivers/net/wireless/ti/wlcore/sdio.c | 7 + > drivers/net/wireless/ti/wlcore/sysfs.c | 12 +- > drivers/net/wireless/ti/wlcore/testmode.c | 18 +- > drivers/net/wireless/ti/wlcore/tx.c | 9 +- > drivers/net/wireless/ti/wlcore/vendor_cmd.c | 27 +- > drivers/net/wireless/ti/wlcore/wlcore.h | 1 - > drivers/net/wireless/ti/wlcore/wlcore_i.h | 1 - > 15 files changed, 421 insertions(+), 334 deletions(-) > > -- > 2.17.0 Best Regards, Eyal
