linux-kernel - Re: [PATCH v2 16/16] fpga: region: move device tree support to of-fpga-region.c

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Date:   Fri, 28 Apr 2017 14:38:09 +0800
From:   Wu Hao <hao.wu@...el.com>
To:     Alan Tull <atull@...nel.org>
Cc:     Moritz Fischer <moritz.fischer@...us.com>,
        linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org
Subject: Re: [PATCH v2 16/16] fpga: region: move device tree support to
 of-fpga-region.c

On Thu, Apr 20, 2017 at 09:10:01AM -0500, Alan Tull wrote:
> Create of-fpga-region.c
> 
> Move the following functions without modification from
> fpga-region.c to of-fpga-region.c:
> 
> * of_fpga_region_find
> * of_fpga_region_get_mgr
> * of_fpga_region_get_bridges
> * child_regions_with_firmware
> * of_fpga_region_parse_ov
> * of_fpga_region_notify_pre_apply
> * of_fpga_region_notify_post_remove
> * of_fpga_region_notify
> * of_fpga_region_probe
> * of_fpga_region_remove
> 
> Create two new function with some code from fpga_region_init/exit.
> 
> * of_fpga_region_init
> * of_fpga_region_exit
> 
> Signed-off-by: Alan Tull <atull@...nel.org>
> ---
> v2: split out code changes into other patches, only move code here
> ---
>  drivers/fpga/Kconfig          |  13 +-
>  drivers/fpga/Makefile         |   1 +
>  drivers/fpga/fpga-region.c    | 449 +-------------------------------------
>  drivers/fpga/of-fpga-region.c | 493 ++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 505 insertions(+), 451 deletions(-)
>  create mode 100644 drivers/fpga/of-fpga-region.c
> 
> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
> index 161ba9d..394c141 100644
> --- a/drivers/fpga/Kconfig
> +++ b/drivers/fpga/Kconfig
> @@ -15,10 +15,17 @@ if FPGA
>  
>  config FPGA_REGION
>  	tristate "FPGA Region"
> -	depends on OF && FPGA_BRIDGE
> +	depends on FPGA_BRIDGE
> +	help
> +	  FPGA Region common code.  A FPGA Region controls a FPGA Manager
> +	  and the FPGA Bridges associated with either a reconfigurable
> +	  region of an FPGA or a whole FPGA.
> +

Hi Alan

As FPGA_BRIDGE depends on OF, so FPGA_REGION still can't be selected
without OF. Should we remove the OF dependency for FPGA_BRIDGE as well?

Thanks
Hao