On Thu, Sep 17, 2015 at 06:05:30PM +0900, Inha Song wrote:
Hi,
It is a log:
# aplay [ 79.590767] s3c64xx_spi_runtime_resume [ 79.592288] arizona spi1.0: ASRC underclocked [ 79.592331] s3c64xx_spi_runtime_suspend
-> suspend ()
[ 83.348754] s3c64xx_spi_runtime_resume [ 83.367711] s3c64xx_spi_suspend [ 83.368420] PM: suspend of devices complete after 59.666 msecs [ 83.375584] arizona spi1.0: Failed to read IRQ status: -108 [ 83.375595] arizona spi1.0: Failed to read main IRQ status: -108 [ 83.375672] arizona spi1.0: Failed to read IRQ status: -108 [ 83.375679] arizona spi1.0: Failed to read main IRQ status: -108 [ 83.375749] arizona spi1.0: Failed to read IRQ status: -108 ..... [ 83.580360] Call trace: [ 83.580369] [<ffffffc000089f8c>] dump_backtrace+0x0/0x12c [ 83.580373] [<ffffffc00008a0c8>] show_stack+0x10/0x1c [ 83.580380] [<ffffffc0009f10e4>] dump_stack+0x78/0xc8 [ 83.580386] [<ffffffc00009ade8>] warn_slowpath_common+0x98/0xd0 [ 83.580390] [<ffffffc00009ae6c>] warn_slowpath_fmt+0x4c/0x58 [ 83.580394] [<ffffffc0000e7f1c>] __enable_irq+0x40/0x8c [ 83.580399] [<ffffffc0000e7f9c>] enable_irq+0x34/0x74 [ 83.580404] [<ffffffc0004d00d0>] arizona_resume+0x10/0x20 [ 83.580410] [<ffffffc0004b6bac>] dpm_run_callback+0x50/0x1a0 [ 83.580414] [<ffffffc0004b728c>] device_resume+0x90/0x268 [ 83.580418] [<ffffffc0004b88cc>] dpm_resume+0x120/0x350 [ 83.580422] [<ffffffc0004b8f1c>] dpm_resume_end+0x10/0x28 [ 83.580426] [<ffffffc0000e1bec>] suspend_devices_and_enter+0x138/0x7f4 [ 83.580430] [<ffffffc0000e25bc>] pm_suspend+0x314/0x5bc [ 83.580435] [<ffffffc0000e0bc8>] state_store+0x7c/0xf0 [ 83.580441] [<ffffffc00035ee58>] kobj_attr_store+0x10/0x24 [ 83.580448] [<ffffffc00020e1e0>] sysfs_kf_write+0x40/0x4c [ 83.580452] [<ffffffc00020d664>] kernfs_fop_write+0xb8/0x180 [ 83.580458] [<ffffffc0001a2ef4>] __vfs_write+0x2c/0x11c [ 83.580463] [<ffffffc0001a38f0>] vfs_write+0x90/0x170 [ 83.580467] [<ffffffc0001a422c>] SyS_write+0x40/0xa0
OK so this is definitely that the SPI driver hasn't resumed yet. Could we also get DEBUG turned on in arizona-core here. I am interested to check where in the process the arizona suspend/resume ops are being called.
Thanks, Charles