[imx:work/efikasb 5/29] drivers/usb/chipidea/core.c:323:4: warning: large integer implicitly truncated to unsigned type

[kbuild test robot]

tree:   git://git.pengutronix.de/git/imx/linux-2.6.git work/efikasb
head:   4de30514cbd7126ba06062e39ba4701f2bca1a37
commit: 012289b901c5e60b6f0d215cef44697dc71b5d76 [5/29] usb: chipidea: add otg id switch and vbus connect/disconnect detect
config: make ARCH=x86_64 allyesconfig

All warnings:

drivers/usb/chipidea/core.c: In function 'ci_handle_id_switch':
drivers/usb/chipidea/core.c:323:4: warning: large integer implicitly truncated to unsigned type [-Woverflow]

vim +323 drivers/usb/chipidea/core.c

012289b9 Peter Chen         2012-11-19  307  
012289b9 Peter Chen         2012-11-19  308  	}
012289b9 Peter Chen         2012-11-19  309  }
012289b9 Peter Chen         2012-11-19  310  
012289b9 Peter Chen         2012-11-19  311  static void ci_handle_id_switch(struct ci13xxx *ci)
5f36e231 Alexander Shishkin 2012-05-11  312  {
5f36e231 Alexander Shishkin 2012-05-11  313  	enum ci_role role = ci_otg_role(ci);
5f36e231 Alexander Shishkin 2012-05-11  314  
5f36e231 Alexander Shishkin 2012-05-11  315  	if (role != ci->role) {
5f36e231 Alexander Shishkin 2012-05-11  316  		dev_dbg(ci->dev, "switching from %s to %s\n",
5f36e231 Alexander Shishkin 2012-05-11  317  			ci_role(ci)->name, ci->roles[role]->name);
5f36e231 Alexander Shishkin 2012-05-11  318  
012289b9 Peter Chen         2012-11-19  319  		/* 1. Finish the current role */
012289b9 Peter Chen         2012-11-19  320  		if (ci->role == CI_ROLE_GADGET) {
012289b9 Peter Chen         2012-11-19  321  			usb_gadget_vbus_disconnect(&ci->gadget);
012289b9 Peter Chen         2012-11-19  322  			/* host doesn't care B_SESSION_VALID event */
012289b9 Peter Chen         2012-11-19 @323  			hw_write(ci, OP_OTGSC, OTGSC_BSVIE, ~OTGSC_BSVIE);
012289b9 Peter Chen         2012-11-19  324  			hw_write(ci, OP_OTGSC, OTGSC_BSVIS, OTGSC_BSVIS);
012289b9 Peter Chen         2012-11-19  325  			ci->role = CI_ROLE_END;
012289b9 Peter Chen         2012-11-19  326  			/* reset controller */
012289b9 Peter Chen         2012-11-19  327  			hw_device_reset(ci, USBMODE_CM_IDLE);
012289b9 Peter Chen         2012-11-19  328  		} else if (ci->role == CI_ROLE_HOST) {
012289b9 Peter Chen         2012-11-19  329  			ci_role_stop(ci);
012289b9 Peter Chen         2012-11-19  330  			/* reset controller */
012289b9 Peter Chen         2012-11-19  331  			hw_device_reset(ci, USBMODE_CM_IDLE);

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation