linux-kernel - Re: [PATCH 2/2] spi: tools: Fix build errors

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Message-ID: <bf4ba67a-1b4e-81c2-d03c-675baef6c8f1@loongson.cn>
Date:   Thu, 11 Jun 2020 16:53:31 +0800
From:   zhangqing <zhangqing@...ngson.cn>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Mark Brown <broonie@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH 2/2] spi: tools: Fix build errors

On 06/11/2020 04:02 PM, Geert Uytterhoeven wrote:
> Hi Qing,
>
> Thanks for your patch!
>
> On Thu, Jun 11, 2020 at 5:43 AM Qing Zhang <zhangqing@...ngson.cn> wrote:
>> Fix the following build errors:
>>
>> include/linux/spi 2>&1 || true
>> ln -sf /home/zhangqing/spi.git2/tools/spi/../../include/uapi/linux/spi/spidev.h include/linux/spi/spidev.h
>> make -f /home/zhangqing/spi.git2/tools/build/Makefile.build dir=. obj=spidev_test
>> make[1]: Entering directory '/home/zhangqing/spi.git2/tools/spi'
>>    CC       spidev_test.o
>> spidev_test.c: In function ‘transfer’:
>> spidev_test.c:131:13: error: ‘SPI_TX_OCTAL’ undeclared (first use in this function)
>>    if (mode & SPI_TX_OCTAL)
>>               ^
>> spidev_test.c:131:13: note: each undeclared identifier is reported only once for each function it appears in
>> spidev_test.c:137:13: error: ‘SPI_RX_OCTAL’ undeclared (first use in this function)
>>    if (mode & SPI_RX_OCTAL)
>>               ^
>> spidev_test.c: In function ‘parse_opts’:
>> spidev_test.c:290:12: error: ‘SPI_TX_OCTAL’ undeclared (first use in this function)
>>      mode |= SPI_TX_OCTAL;
>>              ^
>> spidev_test.c:308:12: error: ‘SPI_RX_OCTAL’ undeclared (first use in this function)
>>      mode |= SPI_RX_OCTAL;
>>              ^
>>    LD       spidev_test-in.o
>> ld: cannot find spidev_test.o: No such file or directory
>> /home/zhangqing/spi.git2/tools/build/Makefile.build:144: recipe for target 'spidev_test-in.o' failed
>> make[1]: *** [spidev_test-in.o] Error 1
>> make[1]: Leaving directory '/home/zhangqing/spi.git2/tools/spi'
>> Makefile:39: recipe for target 'spidev_test-in.o' failed
>> make: *** [spidev_test-in.o] Error 2
>>
>> Signed-off-by: Qing Zhang <zhangqing@...ngson.cn>
> Oops, somehow I forgot I had made a similar change on the target
> when adding Octal mode support to spidev_test.c.
> Sorry for that.
>
> Fixes: 896fa735084e4a91 ("spi: spidev_test: Add support for Octal mode
> data transfers")
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
>> --- a/include/uapi/linux/spi/spidev.h
>> +++ b/include/uapi/linux/spi/spidev.h
>> @@ -48,6 +48,8 @@
>>   #define SPI_TX_QUAD            0x200
>>   #define SPI_RX_DUAL            0x400
>>   #define SPI_RX_QUAD            0x800
>> +#define        SPI_TX_OCTAL            0x2000
>> +#define        SPI_RX_OCTAL            0x4000
> Probably we should add SPI_CS_WORD and SPI_3WIRE_HIZ, too?

Hi Geert,

Thanks for your reply and suggestion.
Maybe SPI_CS_WORD and SPI_3WIRE_HIZ will be used in the future.
I will do it and then send v2.

Thanks,
Qing

>
> Gr{oetje,eeting}s,
>
>                          Geert
>