Re: [PATCH 1/2] usb: dwc3: core: Add support for xhci-sg-trb-cache-size-quirk
From: kernel test robot
Date: Sat Nov 18 2023 - 05:49:01 EST
Hi Prashanth,
kernel test robot noticed the following build warnings:
[auto build test WARNING on usb/usb-testing]
[also build test WARNING on usb/usb-next usb/usb-linus linus/master v6.7-rc1 next-20231117]
[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/Prashanth-K/usb-dwc3-core-Add-support-for-xhci-sg-trb-cache-size-quirk/20231118-135837
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link: https://lore.kernel.org/r/20231118055455.249088-2-quic_prashk%40quicinc.com
patch subject: [PATCH 1/2] usb: dwc3: core: Add support for xhci-sg-trb-cache-size-quirk
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231118/202311181846.AjhQ7gvy-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231118/202311181846.AjhQ7gvy-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311181846.AjhQ7gvy-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/usb/dwc3/host.c: In function 'dwc3_host_init':
drivers/usb/dwc3/host.c:66:16: error: variable 'dwc3_xhci_plat_priv' has initializer but incomplete type
66 | struct xhci_plat_priv dwc3_xhci_plat_priv = {0};
| ^~~~~~~~~~~~~~
>> drivers/usb/dwc3/host.c:66:56: warning: excess elements in struct initializer
66 | struct xhci_plat_priv dwc3_xhci_plat_priv = {0};
| ^
drivers/usb/dwc3/host.c:66:56: note: (near initialization for 'dwc3_xhci_plat_priv')
drivers/usb/dwc3/host.c:66:33: error: storage size of 'dwc3_xhci_plat_priv' isn't known
66 | struct xhci_plat_priv dwc3_xhci_plat_priv = {0};
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/dwc3/host.c:92:47: error: 'XHCI_SG_TRB_CACHE_SIZE_QUIRK' undeclared (first use in this function)
92 | dwc3_xhci_plat_priv.quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/usb/dwc3/host.c:92:47: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/usb/dwc3/host.c:66:33: warning: unused variable 'dwc3_xhci_plat_priv' [-Wunused-variable]
66 | struct xhci_plat_priv dwc3_xhci_plat_priv = {0};
| ^~~~~~~~~~~~~~~~~~~
vim +66 drivers/usb/dwc3/host.c
61
62 int dwc3_host_init(struct dwc3 *dwc)
63 {
64 struct property_entry props[4];
65 struct platform_device *xhci;
> 66 struct xhci_plat_priv dwc3_xhci_plat_priv = {0};
67 int ret, irq;
68 int prop_idx = 0;
69
70 irq = dwc3_host_get_irq(dwc);
71 if (irq < 0)
72 return irq;
73
74 xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);
75 if (!xhci) {
76 dev_err(dwc->dev, "couldn't allocate xHCI device\n");
77 return -ENOMEM;
78 }
79
80 xhci->dev.parent = dwc->dev;
81
82 dwc->xhci = xhci;
83
84 ret = platform_device_add_resources(xhci, dwc->xhci_resources,
85 DWC3_XHCI_RESOURCES_NUM);
86 if (ret) {
87 dev_err(dwc->dev, "couldn't add resources to xHCI device\n");
88 goto err;
89 }
90
91 if (dwc->xhci_sg_trb_cache_size_quirk)
92 dwc3_xhci_plat_priv.quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
93
94 ret = platform_device_add_data(xhci, &dwc3_xhci_plat_priv,
95 sizeof(dwc3_xhci_plat_priv));
96 if (ret)
97 goto err;
98
99 memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));
100
101 if (dwc->usb3_lpm_capable)
102 props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb3-lpm-capable");
103
104 if (dwc->usb2_lpm_disable)
105 props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb2-lpm-disable");
106
107 /**
108 * WORKAROUND: dwc3 revisions <=3.00a have a limitation
109 * where Port Disable command doesn't work.
110 *
111 * The suggested workaround is that we avoid Port Disable
112 * completely.
113 *
114 * This following flag tells XHCI to do just that.
115 */
116 if (DWC3_VER_IS_WITHIN(DWC3, ANY, 300A))
117 props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped");
118
119 if (prop_idx) {
120 ret = device_create_managed_software_node(&xhci->dev, props, NULL);
121 if (ret) {
122 dev_err(dwc->dev, "failed to add properties to xHCI\n");
123 goto err;
124 }
125 }
126
127 ret = platform_device_add(xhci);
128 if (ret) {
129 dev_err(dwc->dev, "failed to register xHCI device\n");
130 goto err;
131 }
132
133 return 0;
134 err:
135 platform_device_put(xhci);
136 return ret;
137 }
138
--
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https://github.com/intel/lkp-tests/wiki