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Subject: Re: [PATCH] usb: xhci-plat: fix usb disconnect issue after s4
To:     kernel test robot <lkp@intel.com>,
        Mathias Nyman <mathias.nyman@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     oe-kbuild-all@lists.linux.dev, Jianmin Lv <lvjianmin@loongson.cn>,
        wanghongliang@loongson.cn, Liu Peibao <liupeibao@loongson.cn>,
        loongson-kernel@lists.loongnix.cn, zhuyinbo@loongson.cn
References: <20230802090642.1642-1-zhuyinbo@loongson.cn>
 <202308090755.GOjEaQQg-lkp@intel.com>
From:   Yinbo Zhu <zhuyinbo@loongson.cn>
Message-ID: <f43866bc-7a28-5c74-a5b8-8b64d97b25c2@loongson.cn>
Date:   Wed, 9 Aug 2023 17:28:13 +0800
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?? 2023/8/9 ????7:41, kernel test robot д??:
> Hi Yinbo,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on usb/usb-testing]
> [also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.5-rc5 next-20230808]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Yinbo-Zhu/usb-xhci-plat-fix-usb-disconnect-issue-after-s4/20230802-170845
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> patch link:    https://lore.kernel.org/r/20230802090642.1642-1-zhuyinbo%40loongson.cn
> patch subject: [PATCH] usb: xhci-plat: fix usb disconnect issue after s4
> config: xtensa-randconfig-r093-20230808 (https://download.01.org/0day-ci/archive/20230809/202308090755.GOjEaQQg-lkp@intel.com/config)
> compiler: xtensa-linux-gcc (GCC) 12.3.0
> reproduce: (https://download.01.org/0day-ci/archive/20230809/202308090755.GOjEaQQg-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202308090755.GOjEaQQg-lkp@intel.com/
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-mediatek.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-samsung.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/video/backlight/platform_lcd.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/video/fbdev/goldfishfb.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/imx/clk-imxrt1050.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt6779-mm.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt6779-img.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt6779-vdec.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt6779-venc.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt6779-mfg.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt6779-aud.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt2712-apmixedsys.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt2712.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt2712-bdp.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt2712-img.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt2712-vdec.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt2712-venc.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt7622-eth.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt7622-hif.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt7622-aud.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt7986-apmixed.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt7986-topckgen.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8183-audio.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8183-cam.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8183-vdec.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8188-img.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8188-ipe.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8188-mfg.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8188-vdec.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8188-wpe.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-aud.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-cam.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-imp_iic_wrap.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-mdp.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-mm.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-msdc.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-scp_adsp.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8192-vdec.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8365-apmixedsys.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8365.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8365-apu.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8365-cam.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8365-vdec.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/mediatek/clk-mt8365-venc.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/clk_test.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/clk-gate_test.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dma/qcom/hdma.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/imx/soc-imx8m.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/ixp4xx/ixp4xx-qmgr.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/mediatek/mtk-cmdq-helper.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/soc/amlogic/meson-clk-measure.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/regulator/tps6286x-regulator.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/tty/serial/8250/8250_base.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/tty/serial/8250/serial_cs.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/tty/serial/owl-uart.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/tty/goldfish.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/ttyprintk.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/omap-rng.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/omap3-rom-rng.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/nomadik-rng.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/st-rng.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-kunit.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-ram.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-raw-ram.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-w1.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/brd.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/loop.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mfd/qcom-pm8008.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/dax.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/host/xhci-pci-renesas.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/storage/uas.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_acm.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_mass_storage.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_fs.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_hid.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/mon/usbmon.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/i2c/busses/i2c-pxa.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/tuners/tda9887.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/leds/flash/leds-rt4505.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/goldfish/goldfish_pipe.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/chrome/cros_kunit.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mailbox/mtk-cmdq-mailbox.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/devfreq/governor_performance.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/devfreq/governor_userspace.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iio/adc/ingenic-adc.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hwtracing/intel_th/intel_th_msu_sink.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvmem/nvmem_brcm_nvram.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvmem/nvmem_u-boot-env.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/interconnect/imx/imx8mn-interconnect.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/parsers/brcm_u-boot.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/parsers/tplink_safeloader.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/chips/cfi_util.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/maps/map_funcs.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fsi/fsi-core.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fsi/fsi-master-hub.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fsi/fsi-master-gpio.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fsi/fsi-master-ast-cf.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fsi/fsi-scom.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/siox/siox-bus-gpio.o
>>> ERROR: modpost: "xhci_suspend" [drivers/usb/host/xhci-plat-hcd.ko] undefined!
>>> ERROR: modpost: "xhci_resume" [drivers/usb/host/xhci-plat-hcd.ko] undefined!


This compile error was due to that suspend callback initialization
doesn't use CONFIG_PM_SLEEP in xhci_plat_pm_ops, and I will add it and
fix this compile error.

Thanks,
Yinbo