I'd been using kernel 3.18.10-29 on a set of Beaglebone Black boards, and had found and corrected this on my local build tree.
Kernel build fails when the source file drivers/usb/musb/musb_cppi41.c is built, with these kernel options enabled:
CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_TI_CPPI41_DMA=y
The build fails with these errors, due to a misspelled constant name EP_MODE_AUTOREQ_NONE:
drivers/usb/musb/musb_cppi41.c: In function 'cppi41_dma_channel_abort':
drivers/usb/musb/musb_cppi41.c:544:43: error: 'EP_MODE_AUTOREQ_NONE' undeclared (first use in this function)
cppi41_set_autoreq_mode(cppi41_channel, EP_MODE_AUTOREQ_NONE);
^
drivers/usb/musb/musb_cppi41.c:544:43: note: each undeclared identifier is reported only once for each function it appears in
scripts/Makefile.build:257: recipe for target 'drivers/usb/musb/musb_cppi41.o' failed
make[3]: *** [drivers/usb/musb/musb_cppi41.o] Error 1
scripts/Makefile.build:402: recipe for target 'drivers/usb/musb' failed
make[2]: *** [drivers/usb/musb] Error 2
scripts/Makefile.build:402: recipe for target 'drivers/usb' failed
make[1]: *** [drivers/usb] Error 2
Makefile:937: recipe for target 'drivers' failed
Signed-off-by: Antonio VA Hilario <avahilario@xxxxxxxxx>
---
--- drivers/usb/musb/musb_cppi41.c 2016-03-18 02:09:52.000000000 +0800
+++ ../../linux-3.18.29/drivers/usb/musb/musb_cppi41.c 2016-02-08 13:30:43.334822382 +0800
@@ -541,7 +541,7 @@ static int cppi41_dma_channel_abort(stru
csr &= ~MUSB_TXCSR_DMAENAB;
musb_writew(epio, MUSB_TXCSR, csr);
} else {
- cppi41_set_autoreq_mode(cppi41_channel, EP_MODE_AUTOREQ_NONE);
+ cppi41_set_autoreq_mode(cppi41_channel, EP_MODE_AUTOREG_NONE);
/* delay to drain to cppi dma pipeline for isoch */
udelay(250);--
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