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

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Date:   Thu, 11 Jun 2020 10:02:58 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Qing Zhang <zhangqing@...ngson.cn>
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

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?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds