Re: linux-next: build failure in the final build

[Mark Brown]

On Mon, Jul 13, 2026 at 06:48:32PM +0100, Mark Brown wrote:
> Hi all,
> 
> In the final builds, today's linux-next build (arm64 allyesconfig)
> failed like this:

This error is due to a71f5aef1be98 (USB: gadget: fsl-udc: enable compile
testing) from the usb tree, a dependency change as expected.  I'll do
something about this tomorrow.

> 
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:105:5: error: no previous
> prototype for 'write_ulpi' [-Werror=missing-prototypes]
>   105 | int write_ulpi(u8 addr, u8 data)
>       |     ^~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:118:6: error: no previous
> prototype for 'fsl_otg_chrg_vbus' [-Werror=missing-prototypes]
>   118 | void fsl_otg_chrg_vbus(struct otg_fsm *fsm, int on)
>       |      ^~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:136:6: error: no previous
> prototype for 'fsl_otg_dischrg_vbus' [-Werror=missing-prototypes]
>   136 | void fsl_otg_dischrg_vbus(int on)
>       |      ^~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:154:6: error: no previous
> prototype for 'fsl_otg_drv_vbus' [-Werror=missing-prototypes]
>   154 | void fsl_otg_drv_vbus(struct otg_fsm *fsm, int on)
>       |      ^~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:172:6: error: no previous
> prototype for 'fsl_otg_loc_conn' [-Werror=missing-prototypes]
>   172 | void fsl_otg_loc_conn(struct otg_fsm *fsm, int on)
>       |      ^~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:191:6: error: no previous
> prototype for 'fsl_otg_loc_sof' [-Werror=missing-prototypes]
>   191 | void fsl_otg_loc_sof(struct otg_fsm *fsm, int on)
>       |      ^~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:206:6: error: no previous
> prototype for 'fsl_otg_start_pulse' [-Werror=missing-prototypes]
>   206 | void fsl_otg_start_pulse(struct otg_fsm *fsm)
>       |      ^~~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:222:6: error: no previous
> prototype for 'b_data_pulse_end' [-Werror=missing-prototypes]
>   222 | void b_data_pulse_end(unsigned long foo)
>       |      ^~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:241:6: error: no previous
> prototype for 'b_vbus_pulse_end' [-Werror=missing-prototypes]
>   241 | void b_vbus_pulse_end(unsigned long foo)
>       |      ^~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:254:6: error: no previous
> prototype for 'b_srp_end' [-Werror=missing-prototypes]
>   254 | void b_srp_end(unsigned long foo)
>       |      ^~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:269:6: error: no previous
> prototype for 'a_wait_enum' [-Werror=missing-prototypes]
>   269 | void a_wait_enum(unsigned long foo)
>       |      ^~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:279:6: error: no previous
> prototype for 'set_tmout' [-Werror=missing-prototypes]
>   279 | void set_tmout(unsigned long indicator)
>       |      ^~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:285:5: error: no previous
> prototype for 'fsl_otg_init_timers' [-Werror=missing-prototypes]
>   285 | int fsl_otg_init_timers(struct otg_fsm *fsm)
>       |     ^~~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:342:6: error: no previous
> prototype for 'fsl_otg_uninit_timers' [-Werror=missing-prototypes]
>   342 | void fsl_otg_uninit_timers(void)
>       |      ^~~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:446:6: error: no previous
> prototype for 'otg_reset_controller' [-Werror=missing-prototypes]
>   446 | void otg_reset_controller(void)
>       |      ^~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:458:5: error: no previous
> prototype for 'fsl_otg_start_host' [-Werror=missing-prototypes]
>   458 | int fsl_otg_start_host(struct otg_fsm *fsm, int on)
>       |     ^~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:525:5: error: no previous
> prototype for 'fsl_otg_start_gadget' [-Werror=missing-prototypes]
>   525 | int fsl_otg_start_gadget(struct otg_fsm *fsm, int on)
>       |     ^~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:707:13: error: no previous
> prototype for 'fsl_otg_isr' [-Werror=missing-prototypes]
>   707 | irqreturn_t fsl_otg_isr(int irq, void *dev_id)
>       |             ^~~~~~~~~~~
> /tmp/next/build/drivers/usb/phy/phy-fsl-usb.c:833:5: error: no previous
> prototype for 'usb_otg_start' [-Werror=missing-prototypes]
>   833 | int usb_otg_start(struct platform_device *pdev)
>       |     ^~~~~~~~~~~~~
> cc1: all warnings being treated as errors make[6]:
> 
> It looks like this is a change in dependencies which has allowed this to
> be built from today, I didn't isolate exactly what - it looks like the
> issue is missing statics on all these function definitions, making them
> global.  I have ignored this for today.

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