linux-kernel - Re: [PATCH 1/5] clk: mb86s7x: Suppress build

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Date:   Wed, 28 Jun 2017 23:02:04 +0530
From:   Jassi Brar <jaswinder.singh@...aro.org>
To:     Stephen Boyd <sboyd@...eaurora.org>
Cc:     Andreas Färber <afaerber@...e.de>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Satoru OKAMOTO <okamoto.satoru@...ionext.com>,
        Michael Turquette <mturquette@...libre.com>,
        linux-clk@...r.kernel.org, Andy Green <andy.green@...aro.org>,
        Vincent Yang <vincent.yang@...ionext.com>,
        Tetsuya Nuriya <nuriya.tetsuya@...ionext.com>
Subject: Re: [PATCH 1/5] clk: mb86s7x: Suppress build

On 28 June 2017 at 21:43, Stephen Boyd <sboyd@...eaurora.org> wrote:
> On 06/25, Andreas Färber wrote:
>> It fails to build once we introduce the ARCH_MB86S7X Kconfig symbol:
>>
>>   drivers/clk/clk-mb86s7x.c:27:10: fatal error: soc/mb86s7x/scb_mhu.h: No such file or directory
>>    #include <soc/mb86s7x/scb_mhu.h>
>>             ^~~~~~~~~~~~~~~~~~~~~~~
>>   compilation terminated.
>>
>> And when commenting out that line, we get:
>>
>>   drivers/clk/clk-mb86s7x.c: In function 'crg_gate_control':
>>   drivers/clk/clk-mb86s7x.c:72:8: error: implicit declaration of function 'mb86s7x_send_packet' [-Werror=implicit-function-declaration]
>>     ret = mb86s7x_send_packet(CMD_PERI_CLOCK_GATE_SET_REQ,
>>           ^~~~~~~~~~~~~~~~~~~
>>   drivers/clk/clk-mb86s7x.c:72:28: error: 'CMD_PERI_CLOCK_GATE_SET_REQ' undeclared (first use in this function)
>>     ret = mb86s7x_send_packet(CMD_PERI_CLOCK_GATE_SET_REQ,
>>                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>>   drivers/clk/clk-mb86s7x.c:72:28: note: each undeclared identifier is reported only once for each function it appears in
>>   drivers/clk/clk-mb86s7x.c: In function 'crg_rate_control':
>>   drivers/clk/clk-mb86s7x.c:116:10: error: 'CMD_PERI_CLOCK_RATE_SET_REQ' undeclared (first use in this function)
>>      code = CMD_PERI_CLOCK_RATE_SET_REQ;
>>             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>>   drivers/clk/clk-mb86s7x.c:121:10: error: 'CMD_PERI_CLOCK_RATE_GET_REQ' undeclared (first use in this function); did you mean 'CMD_PERI_CLOCK_RATE_SET_REQ'?
>>      code = CMD_PERI_CLOCK_RATE_GET_REQ;
>>             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>>             CMD_PERI_CLOCK_RATE_SET_REQ
>>   drivers/clk/clk-mb86s7x.c: In function 'mhu_cluster_rate':
>>   drivers/clk/clk-mb86s7x.c:276:10: error: 'CMD_CPU_CLOCK_RATE_GET_REQ' undeclared (first use in this function)
>>      code = CMD_CPU_CLOCK_RATE_GET_REQ;
>>             ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>   drivers/clk/clk-mb86s7x.c:278:10: error: 'CMD_CPU_CLOCK_RATE_SET_REQ' undeclared (first use in this function); did you mean 'CMD_CPU_CLOCK_RATE_GET_REQ'?
>>      code = CMD_CPU_CLOCK_RATE_SET_REQ;
>>             ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>             CMD_CPU_CLOCK_RATE_GET_REQ
>>   cc1: some warnings being treated as errors
>>   scripts/Makefile.build:302: recipe for target
>>   'drivers/clk/clk-mb86s7x.o' failed
>>   make[2]: *** [drivers/clk/clk-mb86s7x.o] Error 1
>>
>> Comment it out in the Makefile for now.
>>
>
> Why not delete the whole driver instead? It's been two years and
> the driver has never compiled.
>
I won't complain. The interest of moving powers evaporated in the
midst of upstreaming. Though some next platform is supposed to reuse
the IPs, but I can't say when will that be upstreamed and by whom.

Regards.