[...]

> > I don't like droping some ID's (e.g. IMX_SC_R_DC_0_CAPTURE0) by mark
> > them as unused or even worse give them a other meaning. IMHO the
> > scu-api should be stable since day 1 and the ID's should only be extended.
> > Marking ID's as deprecated is much better than moving them around.
> 
> I agree the SCU APIs should be stable since day 1 and the ID should ONLY be
> extended, but that is the best cases, the reality is, there are different
> SoCs/Revision, some revisions may remove the resources ID defined in
> pre-coded SCU firmware, like the IMX_SC_R_DC_0_CAPTURE0 etc., so SCU APIs
> removes them after real silicon arrived, now latest SCU firmware marks them
> as UNUSED, they could be replaced by some other new resources in later new
> SoC, I am NOT sure, but if it happens, this resource ID table should be 
> updated
> anyway, leaving the out-of-date resource ID table there will have issues, 
> since it
> is NOT sync with SCU firmware.
> 
> So how to resolve such issue? We hope the SCU firmware should be stable
> since day 1, but the truth is NOT, could be still some updates but NOT very
> often. And I believe the updates will NOT break old kernel version.
> 

Please double check with SCU firmware owner what the removed ID are used before?
Any side effect if removing them.

And please also check if the combability can be maintained via 
IMX_SC_RPC_VERSION?

Regards
Dong Aisheng

> Anson.
> 
> >
> > Regards,
> > Marco
> >
> > >
> > > Anson.
> > >
> > > >
> > > > Regards,
> > > > Marco
> > > >
> > > > > Signed-off-by: Anson Huang <[email protected]>
> > > > > ---
> > > > >  include/dt-bindings/firmware/imx/rsrc.h | 39
> > > > > +++++++++++++++++++--------------
> > > > >  1 file changed, 22 insertions(+), 17 deletions(-)
> > > > >
> > > > > diff --git a/include/dt-bindings/firmware/imx/rsrc.h
> > > > > b/include/dt-bindings/firmware/imx/rsrc.h
> > > > > index 4481f2d..ad747a8 100644
> > > > > --- a/include/dt-bindings/firmware/imx/rsrc.h
> > > > > +++ b/include/dt-bindings/firmware/imx/rsrc.h
> > > > > @@ -36,15 +36,15 @@
> > > > >  #define IMX_SC_R_DC_0_BLIT1          20
> > > > >  #define IMX_SC_R_DC_0_BLIT2          21
> > > > >  #define IMX_SC_R_DC_0_BLIT_OUT               22
> > > > > -#define IMX_SC_R_DC_0_CAPTURE0               23
> > > > > -#define IMX_SC_R_DC_0_CAPTURE1               24
> > > > > +#define IMX_SC_R_PERF                        23
> > > > > +#define IMX_SC_R_UNUSED5             24
> > > > >  #define IMX_SC_R_DC_0_WARP           25
> > > > > -#define IMX_SC_R_DC_0_INTEGRAL0              26
> > > > > -#define IMX_SC_R_DC_0_INTEGRAL1              27
> > > > > +#define IMX_SC_R_UNUSED7             26
> > > > > +#define IMX_SC_R_UNUSED8             27
> > > > >  #define IMX_SC_R_DC_0_VIDEO0         28
> > > > >  #define IMX_SC_R_DC_0_VIDEO1         29
> > > > >  #define IMX_SC_R_DC_0_FRAC0          30
> > > > > -#define IMX_SC_R_DC_0_FRAC1          31
> > > > > +#define IMX_SC_R_UNUSED6             31
> > > > >  #define IMX_SC_R_DC_0                        32
> > > > >  #define IMX_SC_R_GPU_2_PID0          33
> > > > >  #define IMX_SC_R_DC_0_PLL_0          34
> > > > > @@ -53,17 +53,17 @@
> > > > >  #define IMX_SC_R_DC_1_BLIT1          37
> > > > >  #define IMX_SC_R_DC_1_BLIT2          38
> > > > >  #define IMX_SC_R_DC_1_BLIT_OUT               39
> > > > > -#define IMX_SC_R_DC_1_CAPTURE0               40
> > > > > -#define IMX_SC_R_DC_1_CAPTURE1               41
> > > > > +#define IMX_SC_R_UNUSED9             40
> > > > > +#define IMX_SC_R_UNUSED10            41
> > > > >  #define IMX_SC_R_DC_1_WARP           42
> > > > > -#define IMX_SC_R_DC_1_INTEGRAL0              43
> > > > > -#define IMX_SC_R_DC_1_INTEGRAL1              44
> > > > > +#define IMX_SC_R_UNUSED11            43
> > > > > +#define IMX_SC_R_UNUSED12            44
> > > > >  #define IMX_SC_R_DC_1_VIDEO0         45
> > > > >  #define IMX_SC_R_DC_1_VIDEO1         46
> > > > >  #define IMX_SC_R_DC_1_FRAC0          47
> > > > > -#define IMX_SC_R_DC_1_FRAC1          48
> > > > > +#define IMX_SC_R_UNUSED13            48
> > > > >  #define IMX_SC_R_DC_1                        49
> > > > > -#define IMX_SC_R_GPU_3_PID0          50
> > > > > +#define IMX_SC_R_UNUSED14            50
> > > > >  #define IMX_SC_R_DC_1_PLL_0          51
> > > > >  #define IMX_SC_R_DC_1_PLL_1          52
> > > > >  #define IMX_SC_R_SPI_0                       53
> > > > > @@ -303,8 +303,8 @@
> > > > >  #define IMX_SC_R_M4_0_UART           287
> > > > >  #define IMX_SC_R_M4_0_I2C            288
> > > > >  #define IMX_SC_R_M4_0_INTMUX         289
> > > > > -#define IMX_SC_R_M4_0_SIM            290
> > > > > -#define IMX_SC_R_M4_0_WDOG           291
> > > > > +#define IMX_SC_R_UNUSED15            290
> > > > > +#define IMX_SC_R_UNUSED16            291
> > > > >  #define IMX_SC_R_M4_0_MU_0B          292
> > > > >  #define IMX_SC_R_M4_0_MU_0A0         293
> > > > >  #define IMX_SC_R_M4_0_MU_0A1         294
> > > > > @@ -323,8 +323,8 @@
> > > > >  #define IMX_SC_R_M4_1_UART           307
> > > > >  #define IMX_SC_R_M4_1_I2C            308
> > > > >  #define IMX_SC_R_M4_1_INTMUX         309
> > > > > -#define IMX_SC_R_M4_1_SIM            310
> > > > > -#define IMX_SC_R_M4_1_WDOG           311
> > > > > +#define IMX_SC_R_UNUSED17            310
> > > > > +#define IMX_SC_R_UNUSED18            311
> > > > >  #define IMX_SC_R_M4_1_MU_0B          312
> > > > >  #define IMX_SC_R_M4_1_MU_0A0         313
> > > > >  #define IMX_SC_R_M4_1_MU_0A1         314
> > > > > @@ -337,7 +337,7 @@
> > > > >  #define IMX_SC_R_IRQSTR_SCU2         321
> > > > >  #define IMX_SC_R_IRQSTR_DSP          322
> > > > >  #define IMX_SC_R_ELCDIF_PLL          323
> > > > > -#define IMX_SC_R_UNUSED6             324
> > > > > +#define IMX_SC_R_OCRAM                       324
> > > > >  #define IMX_SC_R_AUDIO_PLL_0         325
> > > > >  #define IMX_SC_R_PI_0                        326
> > > > >  #define IMX_SC_R_PI_0_PWM_0          327
> > > > > @@ -554,6 +554,11 @@
> > > > >  #define IMX_SC_R_VPU_MU_3            538
> > > > >  #define IMX_SC_R_VPU_ENC_1           539
> > > > >  #define IMX_SC_R_VPU                 540
> > > > > -#define IMX_SC_R_LAST                        541
> > > > > +#define IMX_SC_R_DMA_5_CH0           541
> > > > > +#define IMX_SC_R_DMA_5_CH1           542
> > > > > +#define IMX_SC_R_DMA_5_CH2           543
> > > > > +#define IMX_SC_R_DMA_5_CH3           544
> > > > > +#define IMX_SC_R_ATTESTATION         545
> > > > > +#define IMX_SC_R_LAST                        546
> > > > >
> > > > >  #endif /* __DT_BINDINGS_RSCRC_IMX_H */
> > > > > --
> > > > > 2.7.4
> > > > >
> > > > >
> > > > >
> > > >
> > > > --
> > > > Pengutronix e.K.                           |
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