Hello Maity,
On 30-04-15 14:57, maitysancha...@gmail.com wrote:
Hello,
I am trying to use a weak function in able to provide a board specific
initialisation. To be more specific, I am trying to use the __weak
board_ehci_hcd_init function in the usb driver code which is called in
ehci_hcd_init, the strong function being defined in the board file.
This is on lines similar to what I see in the ehci-mx6 driver and some
mx6 board files like nitrogen's.
Getting a linker error on compiling which is perplexing me at the
moment.
[snip]
drivers/usb/host/built-in.o: In function `ehci_hcd_init':
/home/sanchayan/uboot/u-boot/drivers/usb/host/ehci-vf.c:185:
undefined reference to `board_echi_hcd_init'
/home/sanchayan/gcc-linaro/bin/arm-linux-gnueabihf-ld.bfd: BFD
(crosstool-NG linaro-1.13.1-2012.09-20120921 - Linaro GCC 2012.09) 2.22
assertion fail
/cbuild/slaves/oort14/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/src/binutils-2.22/bfd/elf32-arm.c:7498
/home/sanchayan/gcc-linaro/bin/arm-linux-gnueabihf-ld.bfd: BFD
(crosstool-NG linaro-1.13.1-2012.09-20120921 - Linaro GCC 2012.09) 2.22
assertion fail
/cbuild/slaves/oort14/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/src/binutils-2.22/bfd/elf32-arm.c:13830
/bin/sh: line 1: 1110 Segmentation fault (core dumped)
Perhaps I am overlooking something trivial?
I suppose you found this already, but for completeness, you made a typo:
board_ehci_hcd_init
board_echi_hcd_init
To prevent trouble like this, the compiler should actually be set to warn
if there is no prototype...
Regards,
Jeroen
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