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Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when SPI_SPRD_ADI=y and HWSPINLOCK=m

From Mark Brown <broonie@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when SPI_SPRD_ADI=y and HWSPINLOCK=m
Date 2017-09-25 21:30 +0200
Message-ID <utHeN-2eS-5@gated-at.bofh.it> (permalink)
References (1 earlier) <ussrw-4nN-13@gated-at.bofh.it> <usHJT-58r-1@gated-at.bofh.it> <utEgW-iV-19@gated-at.bofh.it> <utFmG-11y-21@gated-at.bofh.it> <utHeN-2eS-3@gated-at.bofh.it>
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On Mon, Sep 25, 2017 at 09:20:31PM +0200, Geert Uytterhoeven wrote:

> The issue is builtin drivers that depend on a modular API.  The clean way
> is to separate API and implementation, so the API can be builtin, and the
> implementation can be modular.
> Hence the API should provide stubs that call into function pointers, to be
> registered by the module providing the implementation.

In this case the problem is even more basic in that the driver does
actually depend on having hwspinlocks for any production use.

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[PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Randy Dunlap <rdunlap@infradead.org> - 2017-09-21 20:10 +0200
  Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Mark Brown <broonie@kernel.org> - 2017-09-22 11:30 +0200
    Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Randy Dunlap <rdunlap@infradead.org> - 2017-09-23 03:50 +0200
      Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Mark Brown <broonie@kernel.org> - 2017-09-25 18:20 +0200
        Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Randy Dunlap <rdunlap@infradead.org> - 2017-09-25 19:30 +0200
          Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Mark Brown <broonie@kernel.org> - 2017-09-25 20:50 +0200
          Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Geert Uytterhoeven <geert@linux-m68k.org> - 2017-09-25 21:30 +0200
            Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Mark Brown <broonie@kernel.org> - 2017-09-25 21:30 +0200
              Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Randy Dunlap <rdunlap@infradead.org> - 2017-09-25 21:40 +0200
                Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Mark Brown <broonie@kernel.org> - 2017-09-25 21:50 +0200
                Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Randy Dunlap <rdunlap@infradead.org> - 2017-09-25 22:00 +0200
                Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Mark Brown <broonie@kernel.org> - 2017-09-25 23:20 +0200
                Re: [PATCH v2 -next] spi: fix spi-sprd-adi build errors when  SPI_SPRD_ADI=y and HWSPINLOCK=m Randy Dunlap <rdunlap@infradead.org> - 2017-09-26 00:40 +0200

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