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an 'unhandled fault' is causes when a gadget driver calls usb_gadget_connect() while the USB cable isn't plugged into the OTG port. the fault is caused by an access to MUSB's memory space while its clock is turned off due to pm_runtime kicking in. in order to fix the fault, we enclose musb_gadget_pullup() with pm_runtime_get_sync() ... pm_runtime_put() calls to be sure we will always reach that path with clock turned on. [ balbi@ti.com : simplified commit log; removed few things which didn't belong there ] Cc: stable@kernel.org Reported-by: Zach Pfeffer <zach.pfeffer@linaro.org> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com> |
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.. | ||
am35x.c | ||
blackfin.c | ||
blackfin.h | ||
cppi_dma.c | ||
cppi_dma.h | ||
da8xx.c | ||
davinci.c | ||
davinci.h | ||
Kconfig | ||
Makefile | ||
musb_core.c | ||
musb_core.h | ||
musb_debug.h | ||
musb_debugfs.c | ||
musb_dma.h | ||
musb_gadget_ep0.c | ||
musb_gadget.c | ||
musb_gadget.h | ||
musb_host.c | ||
musb_host.h | ||
musb_io.h | ||
musb_regs.h | ||
musb_virthub.c | ||
musbhsdma.c | ||
musbhsdma.h | ||
omap2430.c | ||
omap2430.h | ||
tusb6010_omap.c | ||
tusb6010.c | ||
tusb6010.h | ||
ux500_dma.c | ||
ux500.c |