Hi Pawel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on v4.20-rc7 next-20181221] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Pawel-Laszczak/Introduced-new-Cadence-USBSS-DRD-Driver/20181223-231813 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): >> drivers/usb/common/debug.c:253:25: warning: restricted __le16 degrades to integer drivers/usb/common/debug.c:254:25: warning: restricted __le16 degrades to integer drivers/usb/common/debug.c:255:25: warning: restricted __le16 degrades to integer drivers/usb/common/debug.c:256:25: warning: restricted __le16 degrades to integer drivers/usb/common/debug.c:257:25: warning: restricted __le16 degrades to integer drivers/usb/common/debug.c:258:25: warning: restricted __le16 degrades to integer vim +253 drivers/usb/common/debug.c cefb8b21 Pawel Laszczak 2018-12-23 205 cefb8b21 Pawel Laszczak 2018-12-23 206 /** cefb8b21 Pawel Laszczak 2018-12-23 207 * usb_decode_ctrl - returns a string representation of ctrl request cefb8b21 Pawel Laszczak 2018-12-23 208 */ cefb8b21 Pawel Laszczak 2018-12-23 209 const char *usb_decode_ctrl(char *str, __u8 bRequestType, __u8 bRequest, cefb8b21 Pawel Laszczak 2018-12-23 210 __u16 wValue, __u16 wIndex, __u16 wLength) cefb8b21 Pawel Laszczak 2018-12-23 211 { cefb8b21 Pawel Laszczak 2018-12-23 212 switch (bRequest) { cefb8b21 Pawel Laszczak 2018-12-23 213 case USB_REQ_GET_STATUS: cefb8b21 Pawel Laszczak 2018-12-23 214 usb_decode_get_status(bRequestType, wIndex, wLength, str); cefb8b21 Pawel Laszczak 2018-12-23 215 break; cefb8b21 Pawel Laszczak 2018-12-23 216 case USB_REQ_CLEAR_FEATURE: cefb8b21 Pawel Laszczak 2018-12-23 217 case USB_REQ_SET_FEATURE: cefb8b21 Pawel Laszczak 2018-12-23 218 usb_decode_set_clear_feature(bRequestType, bRequest, wValue, cefb8b21 Pawel Laszczak 2018-12-23 219 wIndex, str); cefb8b21 Pawel Laszczak 2018-12-23 220 break; cefb8b21 Pawel Laszczak 2018-12-23 221 case USB_REQ_SET_ADDRESS: cefb8b21 Pawel Laszczak 2018-12-23 222 usb_decode_set_address(wValue, str); cefb8b21 Pawel Laszczak 2018-12-23 223 break; cefb8b21 Pawel Laszczak 2018-12-23 224 case USB_REQ_GET_DESCRIPTOR: cefb8b21 Pawel Laszczak 2018-12-23 225 case USB_REQ_SET_DESCRIPTOR: cefb8b21 Pawel Laszczak 2018-12-23 226 usb_decode_get_set_descriptor(bRequestType, bRequest, wValue, cefb8b21 Pawel Laszczak 2018-12-23 227 wIndex, wLength, str); cefb8b21 Pawel Laszczak 2018-12-23 228 break; cefb8b21 Pawel Laszczak 2018-12-23 229 case USB_REQ_GET_CONFIGURATION: cefb8b21 Pawel Laszczak 2018-12-23 230 usb_decode_get_configuration(wLength, str); cefb8b21 Pawel Laszczak 2018-12-23 231 break; cefb8b21 Pawel Laszczak 2018-12-23 232 case USB_REQ_SET_CONFIGURATION: cefb8b21 Pawel Laszczak 2018-12-23 233 usb_decode_set_configuration(wValue, str); cefb8b21 Pawel Laszczak 2018-12-23 234 break; cefb8b21 Pawel Laszczak 2018-12-23 235 case USB_REQ_GET_INTERFACE: cefb8b21 Pawel Laszczak 2018-12-23 236 usb_decode_get_intf(wIndex, wLength, str); cefb8b21 Pawel Laszczak 2018-12-23 237 break; cefb8b21 Pawel Laszczak 2018-12-23 238 case USB_REQ_SET_INTERFACE: cefb8b21 Pawel Laszczak 2018-12-23 239 usb_decode_set_intf(wValue, wIndex, str); cefb8b21 Pawel Laszczak 2018-12-23 240 break; cefb8b21 Pawel Laszczak 2018-12-23 241 case USB_REQ_SYNCH_FRAME: cefb8b21 Pawel Laszczak 2018-12-23 242 usb_decode_synch_frame(wIndex, wLength, str); cefb8b21 Pawel Laszczak 2018-12-23 243 break; cefb8b21 Pawel Laszczak 2018-12-23 244 case USB_REQ_SET_SEL: cefb8b21 Pawel Laszczak 2018-12-23 245 usb_decode_set_sel(wLength, str); cefb8b21 Pawel Laszczak 2018-12-23 246 break; cefb8b21 Pawel Laszczak 2018-12-23 247 case USB_REQ_SET_ISOCH_DELAY: cefb8b21 Pawel Laszczak 2018-12-23 248 usb_decode_set_isoch_delay(wValue, str); cefb8b21 Pawel Laszczak 2018-12-23 249 break; cefb8b21 Pawel Laszczak 2018-12-23 250 default: cefb8b21 Pawel Laszczak 2018-12-23 251 sprintf(str, "%02x %02x %02x %02x %02x %02x %02x %02x", cefb8b21 Pawel Laszczak 2018-12-23 252 bRequestType, bRequest, cefb8b21 Pawel Laszczak 2018-12-23 @253 cpu_to_le16(wValue) & 0xff, cefb8b21 Pawel Laszczak 2018-12-23 254 cpu_to_le16(wValue) >> 8, cefb8b21 Pawel Laszczak 2018-12-23 255 cpu_to_le16(wIndex) & 0xff, cefb8b21 Pawel Laszczak 2018-12-23 256 cpu_to_le16(wIndex) >> 8, cefb8b21 Pawel Laszczak 2018-12-23 257 cpu_to_le16(wLength) & 0xff, cefb8b21 Pawel Laszczak 2018-12-23 258 cpu_to_le16(wLength) >> 8); cefb8b21 Pawel Laszczak 2018-12-23 259 } cefb8b21 Pawel Laszczak 2018-12-23 260 cefb8b21 Pawel Laszczak 2018-12-23 261 return str; cefb8b21 Pawel Laszczak 2018-12-23 262 } cefb8b21 Pawel Laszczak 2018-12-23 263 EXPORT_SYMBOL_GPL(usb_decode_ctrl); cefb8b21 Pawel Laszczak 2018-12-23 264 :::::: The code at line 253 was first introduced by commit :::::: cefb8b2176410ef0aacc22411a64f8a157612f14 usb:common Separated decoding functions from dwc3 driver. :::::: TO: Pawel Laszczak <pawell@xxxxxxxxxxx> :::::: CC: 0day robot <lkp@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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