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SubjectRE: [PATCH] usb: dwc3: call set incr burst type func()
Date
Hi,

The following is my compile result:
...
LD [M] sound/soc/codecs/snd-soc-ak4613.ko
LD [M] sound/soc/generic/snd-soc-audio-graph-card.ko
LD [M] sound/soc/generic/snd-soc-simple-card-utils.ko
LD [M] sound/soc/generic/snd-soc-simple-card.ko
LD [M] sound/soc/sh/rcar/snd-soc-rcar.ko
ret:0
These patches are based on mainline , and my version is linux-4.18-rc5. Last week , I pulled my upstream branch to the latest.
I didn't see error log in this version.
By the way , this is my git tree --- git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git .
Please tell me which tree could suitably develop patch for upstream.

Thanks,
Pengbo Mu

-----Original Message-----
From: kbuild test robot [mailto:lkp@intel.com]
Sent: 2018年7月23日 15:05
To: Pengbo Mu <pengbo.mu@nxp.com>
Cc: kbuild-all@01.org; Felipe Balbi <balbi@kernel.org>; Greg Kroah-Hartman <gregkh@linuxfoundation.org>; linux-kernel@vger.kernel.org; linux-usb@vger.kernel.org; Ran Wang <ran.wang_1@nxp.com>; Pengbo Mu <pengbo.mu@nxp.com>
Subject: Re: [PATCH] usb: dwc3: call set incr burst type func()

Hi Pengbo,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on balbi-usb/next]
[also build test ERROR on v4.18-rc6 next-20180720]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2F0day-ci%2Flinux%2Fcommits%2FPengbo-Mu%2Fusb-dwc3-call-set-incr-burst-type-func%2F20180723-132027&amp;data=02%7C01%7Cpengbo.mu%40nxp.com%7Ce3094b6111134e37edc608d5f06ad541%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636679267258116308&amp;sdata=84XfOGT4V1urWs2F%2BSHaEZZWv4Tkl5rR9FgUc2jSW7c%3D&amp;reserved=0
base: https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Fbalbi%2Fusb.git&amp;data=02%7C01%7Cpengbo.mu%40nxp.com%7Ce3094b6111134e37edc608d5f06ad541%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636679267258116308&amp;sdata=R8LOzzVUFzlbEZ7tkNOoE%2FJ8Pji0G6ukbCuilctOQMw%3D&amp;reserved=0 next
config: i386-randconfig-s1-201829 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers/usb/dwc3/core.c: In function 'dwc3_core_init':
>> drivers/usb/dwc3/core.c:843:2: error: implicit declaration of function 'dwc3_set_incr_burst_type' [-Werror=implicit-function-declaration]
dwc3_set_incr_burst_type(dwc);
^~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/dwc3_set_incr_burst_type +843 drivers/usb/dwc3/core.c

780
781 /**
782 * dwc3_core_init - Low-level initialization of DWC3 Core
783 * @dwc: Pointer to our controller context structure
784 *
785 * Returns 0 on success otherwise negative errno.
786 */
787 static int dwc3_core_init(struct dwc3 *dwc)
788 {
789 u32 reg;
790 int ret;
791
792 if (!dwc3_core_is_valid(dwc)) {
793 dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n");
794 ret = -ENODEV;
795 goto err0;
796 }
797
798 /*
799 * Write Linux Version Code to our GUID register so it's easy to figure
800 * out which kernel version a bug was found.
801 */
802 dwc3_writel(dwc->regs, DWC3_GUID, LINUX_VERSION_CODE);
803
804 /* Handle USB2.0-only core configuration */
805 if (DWC3_GHWPARAMS3_SSPHY_IFC(dwc->hwparams.hwparams3) ==
806 DWC3_GHWPARAMS3_SSPHY_IFC_DIS) {
807 if (dwc->maximum_speed == USB_SPEED_SUPER)
808 dwc->maximum_speed = USB_SPEED_HIGH;
809 }
810
811 ret = dwc3_phy_setup(dwc);
812 if (ret)
813 goto err0;
814
815 if (!dwc->ulpi_ready) {
816 ret = dwc3_core_ulpi_init(dwc);
817 if (ret)
818 goto err0;
819 dwc->ulpi_ready = true;
820 }
821
822 if (!dwc->phys_ready) {
823 ret = dwc3_core_get_phy(dwc);
824 if (ret)
825 goto err0a;
826 dwc->phys_ready = true;
827 }
828
829 ret = dwc3_core_soft_reset(dwc);
830 if (ret)
831 goto err0a;
832
833 dwc3_core_setup_global_control(dwc);
834 dwc3_core_num_eps(dwc);
835
836 ret = dwc3_setup_scratch_buffers(dwc);
837 if (ret)
838 goto err1;
839
840 /* Adjust Frame Length */
841 dwc3_frame_length_adjustment(dwc);
842
> 843 dwc3_set_incr_burst_type(dwc);
844
845 usb_phy_set_suspend(dwc->usb2_phy, 0);
846 usb_phy_set_suspend(dwc->usb3_phy, 0);
847 ret = phy_power_on(dwc->usb2_generic_phy);
848 if (ret < 0)
849 goto err2;
850
851 ret = phy_power_on(dwc->usb3_generic_phy);
852 if (ret < 0)
853 goto err3;
854
855 ret = dwc3_event_buffers_setup(dwc);
856 if (ret) {
857 dev_err(dwc->dev, "failed to setup event buffers\n");
858 goto err4;
859 }
860
861 /*
862 * ENDXFER polling is available on version 3.10a and later of
863 * the DWC_usb3 controller. It is NOT available in the
864 * DWC_usb31 controller.
865 */
866 if (!dwc3_is_usb31(dwc) && dwc->revision >= DWC3_REVISION_310A) {
867 reg = dwc3_readl(dwc->regs, DWC3_GUCTL2);
868 reg |= DWC3_GUCTL2_RST_ACTBITLATER;
869 dwc3_writel(dwc->regs, DWC3_GUCTL2, reg);
870 }
871
872 if (dwc->revision >= DWC3_REVISION_250A) {
873 reg = dwc3_readl(dwc->regs, DWC3_GUCTL1);
874
875 /*
876 * Enable hardware control of sending remote wakeup
877 * in HS when the device is in the L1 state.
878 */
879 if (dwc->revision >= DWC3_REVISION_290A)
880 reg |= DWC3_GUCTL1_DEV_L1_EXIT_BY_HW;
881
882 if (dwc->dis_tx_ipgap_linecheck_quirk)
883 reg |= DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS;
884
885 dwc3_writel(dwc->regs, DWC3_GUCTL1, reg);
886 }
887
888 /*
889 * Must config both number of packets and max burst settings to enable
890 * RX and/or TX threshold.
891 */
892 if (dwc3_is_usb31(dwc) && dwc->dr_mode == USB_DR_MODE_HOST) {
893 u8 rx_thr_num = dwc->rx_thr_num_pkt_prd;
894 u8 rx_maxburst = dwc->rx_max_burst_prd;
895 u8 tx_thr_num = dwc->tx_thr_num_pkt_prd;
896 u8 tx_maxburst = dwc->tx_max_burst_prd;
897
898 if (rx_thr_num && rx_maxburst) {
899 reg = dwc3_readl(dwc->regs, DWC3_GRXTHRCFG);
900 reg |= DWC31_RXTHRNUMPKTSEL_PRD;
901
902 reg &= ~DWC31_RXTHRNUMPKT_PRD(~0);
903 reg |= DWC31_RXTHRNUMPKT_PRD(rx_thr_num);
904
905 reg &= ~DWC31_MAXRXBURSTSIZE_PRD(~0);
906 reg |= DWC31_MAXRXBURSTSIZE_PRD(rx_maxburst);
907
908 dwc3_writel(dwc->regs, DWC3_GRXTHRCFG, reg);
909 }
910
911 if (tx_thr_num && tx_maxburst) {
912 reg = dwc3_readl(dwc->regs, DWC3_GTXTHRCFG);
913 reg |= DWC31_TXTHRNUMPKTSEL_PRD;
914
915 reg &= ~DWC31_TXTHRNUMPKT_PRD(~0);
916 reg |= DWC31_TXTHRNUMPKT_PRD(tx_thr_num);
917
918 reg &= ~DWC31_MAXTXBURSTSIZE_PRD(~0);
919 reg |= DWC31_MAXTXBURSTSIZE_PRD(tx_maxburst);
920
921 dwc3_writel(dwc->regs, DWC3_GTXTHRCFG, reg);
922 }
923 }
924
925 return 0;
926
927 err4:
928 phy_power_off(dwc->usb3_generic_phy);
929
930 err3:
931 phy_power_off(dwc->usb2_generic_phy);
932
933 err2:
934 usb_phy_set_suspend(dwc->usb2_phy, 1);
935 usb_phy_set_suspend(dwc->usb3_phy, 1);
936
937 err1:
938 usb_phy_shutdown(dwc->usb2_phy);
939 usb_phy_shutdown(dwc->usb3_phy);
940 phy_exit(dwc->usb2_generic_phy);
941 phy_exit(dwc->usb3_generic_phy);
942
943 err0a:
944 dwc3_ulpi_exit(dwc);
945
946 err0:
947 return ret;
948 }
949

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