Re: [PATCH 02/11] soc/fsl: Introduce DPAA BMan device management driver

[Scott Wood]

On Fri, 2015-07-10 at 10:38 +0200, Paul Bolle wrote:
> On do, 2015-07-09 at 16:21 -0400, Roy Pledge wrote:
> > --- /dev/null
> > +++ b/drivers/soc/fsl/qbman/Kconfig
> > @@ -0,0 +1,33 @@
> > +menuconfig FSL_DPA
> > +   bool "Freescale DPAA support"
> > +   depends on FSL_SOC || COMPILE_TEST
> 
> Are you sure about COMPILE_TEST?
> 
> > +   default n
> > +   help
> > +           FSL Data-Path Acceleration Architecture drivers
> > +
> > +           These are not the actual Ethernet driver(s)
> > +
> > +if FSL_DPA
> 
> [...]
> 
> > +config FSL_BMAN
> > +   tristate "BMan device management"
> > +   default n
> > +   help
> > +           FSL DPAA BMan driver
> > +
> > +endif # FSL_DPA
> 
> Because with FSL_BMAN set to 'm' testing things with
>     make -C ../../../.. M=$PWD bman.ko    
> 
> will not actually compile on x86_64:
> 
> make: Entering directory '[...]'
>   CC [M]  [...]/drivers/soc/fsl/qbman/bman.o
> In file included from [...]/drivers/soc/fsl/qbman/bman_priv.h:33:0,
>                  from [...]/drivers/soc/fsl/qbman/bman.c:31:
> [...]/drivers/soc/fsl/qbman/dpaa_sys.h: In function âmfatbâ:
> [...]/drivers/soc/fsl/qbman/dpaa_sys.h:134:8: error: implicit declaration 
> of function âmfsprâ [-Werror=implicit-function-declaration]
>    hi = mfspr(SPRN_ATBU);
>         ^
> [...]/drivers/soc/fsl/qbman/dpaa_sys.h:134:14: error: âSPRN_ATBUâ 
> undeclared (first use in this function)
>    hi = mfspr(SPRN_ATBU);
>               ^
> [...]/drivers/soc/fsl/qbman/dpaa_sys.h:134:14: note: each undeclared 
> identifier is reported only once for each function it appears in
> [...]/drivers/soc/fsl/qbman/dpaa_sys.h:135:14: error: âSPRN_ATBLâ 
> undeclared (first use in this function)
>    lo = mfspr(SPRN_ATBL);
>               ^
> [...]/drivers/soc/fsl/qbman/bman.c: In function â__bm_inâ:
> [...]/drivers/soc/fsl/qbman/bman.c:168:9: error: implicit declaration of 
> function âin_be32â [-Werror=implicit-function-declaration]
>   return in_be32((void *)bm + offset);
>          ^
> [...]/drivers/soc/fsl/qbman/bman.c: In function â__bm_outâ:
> [...]/drivers/soc/fsl/qbman/bman.c:172:2: error: implicit declaration of 
> function âout_be32â [-Werror=implicit-function-declaration]
>   out_be32((void *)bm + offset, val);

These PPCisms will need to be fixed.  LS1043A is an ARM chip with DPAA 1.0.

>   ^
> [...]/drivers/soc/fsl/qbman/bman.c: In function âof_fsl_bman_probeâ:
> [...]/drivers/soc/fsl/qbman/bman.c:463:17: error: âNO_IRQâ undeclared 
> (first use in this function)
>   if (err_irq == NO_IRQ) {

This isn't even a PPCism.  It's just wrong.  Compare to zero instead.

-Scott

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