RE: [PATCH v2 10/21] lightnvm: Remove depends on HAS_DMA in case of platform dependency

Madalin-cristian Bucur
2018-03-19T05:27:39Z

> -----Original Message-----
> From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org]
> On Behalf Of Geert Uytterhoeven
> Sent: Friday, March 16, 2018 3:52 PM
> To: Christoph Hellwig <hch@lst.de>; Marek Szyprowski
> <m.szyprowski@samsung.com>; Robin Murphy <robin.murphy@arm.com>;
> Felipe Balbi <balbi@kernel.org>; Greg Kroah-Hartman
> <gregkh@linuxfoundation.org>; James E . J . Bottomley
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> Subject: [PATCH v2 10/21] lightnvm: Remove depends on HAS_DMA in case of
> platform dependency
>
> Remove dependencies on HAS_DMA where a Kconfig symbol depends on
> another
> symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
> In most cases this other symbol is an architecture or platform specific
> symbol, or PCI.
>
> Generic symbols and drivers without platform dependencies keep their
> dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
> cannot work anyway.
>
> This simplifies the dependencies, and allows to improve compile-testing.
>
> Notes:
> - FSL_FMAN keeps its dependency on HAS_DMA, as it calls set_dma_ops(),
> which does not exist if HAS_DMA=n (Do we need a dummy? The use of
> set_dma_ops() in this driver is questionable),

Hi,

The set_dma_ops() is no longer required in the fsl/fman, I'll send a patch to remove it.

Thanks

> - SND_SOC_LPASS_IPQ806X and SND_SOC_LPASS_PLATFORM loose their
> dependency on HAS_DMA, as they are selected from
> SND_SOC_APQ8016_SBC.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Reviewed-by: Mark Brown <broonie@kernel.org>
> Acked-by: Robin Murphy <robin.murphy@arm.com>
> ---
> v2:
> - Add Reviewed-by, Acked-by,
> - Drop RFC state,
> - Split per subsystem.
> ---
> drivers/lightnvm/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
> index 10c08982185a572f..9c03f35d9df113c6 100644
> --- a/drivers/lightnvm/Kconfig
> +++ b/drivers/lightnvm/Kconfig
> @@ -4,7 +4,7 @@
>
> menuconfig NVM
> bool "Open-Channel SSD target support"
> - depends on BLOCK && HAS_DMA && PCI
> + depends on BLOCK && PCI
> select BLK_DEV_NVME
> help
> Say Y here to get to enable Open-channel SSDs.
> --
> 2.7.4