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authorDong Aisheng <aisheng.dong@nxp.com>2016-02-26 18:19:38 +0800
committerDong Aisheng <aisheng.dong@nxp.com>2016-03-01 19:07:12 +0800
commit0c80e5939923700f4da3182b1d563d3216ac2280 (patch)
treed5d6270106bd3e8dd1a756633d5b667a6ea36c5b /arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
parente42f70d76ec2335ec9bba96f66b125b07a584192 (diff)
MLK-12462-2 dts: imx: add pm-ignore-notify for WiFi card
MMC core pm_notify will re-detect card after system suspend/resume, regardless of post-cd claim. Since in current MMC implement, non-removeable card only detects once, this will break post card detect which happens next. e.g. when we suspend/resume system first, then load Broadcom wifi module, we will get below dump: root@imx6qdlsolo:/mnt/nfs/vte_IMX6QP-Sabre-SD# modprobe bcmdhd firmware_path=/lib/firmware/bcm/ZP_BCM4339/fw_bcmdhd.bin nvram_path=/lib/firmware/bcm/ZP_BCM4339/bcmdhd.ZP.SDIO.cal dhd_module_init in Power-up adapter 'DHD generic adapter' wifi_platform_bus_enumerate device present 1 failed to power up DHD generic adapter, 3 retry left wifi_platform_bus_enumerate device present 0 -----------[ cut here ]----------- Kernel BUG at 80513170 [verbose debug info unavailable] Internal error: Oops - BUG: 0 1 PREEMPT SMP ARM Modules linked in: bcmdhd ov5642_camera ov5640_camera_mipi_int ov5640_camera_int mxc_v4l2_capture mxc_dcic ipu_bg_overlay_sdc ipu_still v4l2_int_device ipu_prp_enc ipu_csi_enc ipu_fg_overlay_sdc CPU: 1 PID: 1487 Comm: modprobe Not tainted 4.1.15-1.0.0+g54cf6a2 #1 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) task: a881e3c0 ti: a9152000 task.ti: a9152000 PC is at mmc_sdio_remove+0x7c/0x80 LR is at mmc_sdio_force_remove+0xc/0x34 pc : [<80513170>] lr : [<80513180>] psr: 60030013 sp : a9153d28 ip : 00000000 fp : 00000000 r10: 00000000 r9 : 00000000 r8 : 7f0f76e0 r7 : a9153d58 r6 : 00000000 r5 : 00000000 r4 : a83f1800 r3 : 00000000 r2 : 00000000 r1 : 809c02f4 r0 : a83f1800 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c53c7d Table: 38d7804a DAC: 00000015 Process modprobe (pid: 1487, stack limit = 0xa9152210) Stack: (0xa9153d28 to 0xa9154000) 3d20: 00000000 7f0c569c a9ffe440 00000003 00000000 7f0c58f4 3d40: a81942c0 8032e33c a8195960 7f0fbf68 00020002 00000000 a9153d58 a9153d58 3d60: fffffdfb 80bc0db4 a81af810 7f0f9518 fffffdfb 00000008 00000000 5624ce5c 3d80: 00000124 80381140 80bc0db4 a81af810 7f0f9518 00000000 00000008 8037f9dc 3da0: a81af810 7f0f9518 a81af844 80b288b0 00000000 8037fbec 00000000 7f0f9518 3dc0: 8037fb60 8037e068 a8025c5c a818fa34 7f0f9518 a20ff280 00000000 8037f16c 3de0: 7f0f0330 a9ffe440 00000000 7f0f9518 a9ffe440 00000000 80bb18f4 803801ec 3e00: 7f0fbf68 a9ffe440 00000000 7f0c5fdc 80b01720 80b01720 a9ffe440 7f11f000 3e20: 00000000 00000001 5624ce5c 80009730 abc7b120 800e316c 000000c8 a9209a00 3e40: 8040003f 00000001 00010000 800b0dfc 000000c8 8040003f abc7dc60 80afc2b0 3e60: abc75880 80afc260 a8001f00 80afe6c0 00000124 800e4944 7f0f9718 00000001 3e80: 7f0f9718 00000001 a9ffeb00 7f0f9718 a9db31c0 8078e47c 7f0f9718 a9db31c0 3ea0: a9153f58 00000001 a9db31c8 80094094 7f0f9724 00007fff 800910d4 00000000 3ec0: 00000000 7f0f9760 00000000 7f0f9860 c0fce8f4 7f0f9724 00000000 8079aa0c 3ee0: c0f07000 000c7944 00b6817a 00000000 0000000e 00000000 00000000 00000000 3f00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 3f20: 00000000 00000000 00000000 00000000 00000640 00000000 00000003 01608348 3f40: 0000017b 8000f604 a9152000 00000000 01608270 800944f8 c0f07000 000c7944 3f60: c0fce28c c0f83439 c0f99248 0007aff8 0008f968 00000000 00000000 00000000 3f80: 00000029 0000002a 00000020 00000024 00000015 00000000 01608348 00000073 3fa0: 00000000 8000f480 01608348 00000073 00000003 01608348 00000000 00000000 3fc0: 01608348 00000073 00000000 0000017b 01608218 00000000 00000073 01608270 3fe0: 7e9ab8c0 7e9ab8b0 0001f2c0 76eac340 600d0010 00000003 00000000 00000000 [<80513170>] (mmc_sdio_remove) from [<7f0c58f4>] (dhd_wifi_platform_load+0x180/0x39c [bcmdhd]) [<7f0c58f4>] (dhd_wifi_platform_load [bcmdhd]) from [<80381140>] (platform_drv_probe+0x44/0xac) [<80381140>] (platform_drv_probe) from [<8037f9dc>] (driver_probe_device+0x174/0x2b4) [<8037f9dc>] (driver_probe_device) from [<8037fbec>] (__driver_attach+0x8c/0x90) [<8037fbec>] (__driver_attach) from [<8037e068>] (bus_for_each_dev+0x68/0x9c) [<8037e068>] (bus_for_each_dev) from [<8037f16c>] (bus_add_driver+0x148/0x1f0) [<8037f16c>] (bus_add_driver) from [<803801ec>] (driver_register+0x78/0xf8) [<803801ec>] (driver_register) from [<7f0c5fdc>] (dhd_wifi_platform_register_drv+0x1bc/0x208 [bcmdhd]) [<7f0c5fdc>] (dhd_wifi_platform_register_drv [bcmdhd]) from [<80009730>] (do_one_initcall+0x8c/0x1d4) [<80009730>] (do_one_initcall) from [<8078e47c>] (do_init_module+0x5c/0x1a8) [<8078e47c>] (do_init_module) from [<80094094>] (load_module+0x1ba8/0x1e50) [<80094094>] (load_module) from [<800944f8>] (SyS_finit_module+0x80/0x90) [<800944f8>] (SyS_finit_module) from [<8000f480>] (ret_fast_syscall+0x0/0x3c) Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> (cherry picked from commit 2ce993c504798e7fad0910432bd2c6cbd332120d)
Diffstat (limited to 'arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi')
-rw-r--r--arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi b/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
index fbe4450dcc2c..e04c9f504411 100644
--- a/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
+++ b/arch/arm/boot/dts/imx6ul-evk-btwifi.dtsi
@@ -51,5 +51,6 @@
no-1-8-v;
non-removable;
cd-post;
+ pm-ignore-notify;
wifi-host; /* add hook for SD card detect mechanism for BCMDHD driver */
};