linux-kernel - Re: [PATCH v3 1/2] ARM: ep93xx: Register ts73xx-fpga manager driver for TS-7300

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Message-ID: <CAAtXAHcO4bN2YmrEabiivnBJLXdU56j4rv4A12FL_XKuwc5Dxw@mail.gmail.com>
Date:   Tue, 13 Dec 2016 22:14:58 -0800
From:   Moritz Fischer <moritz.fischer@...us.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Alan Tull <atull@...nsource.altera.com>,
        Russell King <linux@...linux.org.uk>,
        Ryan Mallon <rmallon@...il.com>,
        H Hartley Sweeten <hsweeten@...ionengravers.com>,
        linux-fpga@...r.kernel.org
Subject: Re: [PATCH v3 1/2] ARM: ep93xx: Register ts73xx-fpga manager driver
 for TS-7300

Hi Florian,

On Tue, Dec 13, 2016 at 6:35 PM, Florian Fainelli <f.fainelli@...il.com> wrote:
> Register the TS-7300 FPGA manager device drivers which allows us to load
> bitstreams into the on-board Altera Cyclone II FPGA.
>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  arch/arm/mach-ep93xx/ts72xx.c | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
> index 3b39ea353d30..acf72ea670ef 100644
> --- a/arch/arm/mach-ep93xx/ts72xx.c
> +++ b/arch/arm/mach-ep93xx/ts72xx.c
> @@ -230,6 +230,28 @@ static struct ep93xx_eth_data __initdata ts72xx_eth_data = {
>         .phy_id         = 1,
>  };
>
> +#if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX)
> +
> +/* Relative to EP93XX_CS1_PHYS_BASE */
> +#define TS73XX_FPGA_LOADER_BASE                0x03c00000
> +
> +static struct resource ts73xx_fpga_resources[] = {
> +       {
> +               .start  = EP93XX_CS1_PHYS_BASE + TS73XX_FPGA_LOADER_BASE,
> +               .end    = EP93XX_CS1_PHYS_BASE + TS73XX_FPGA_LOADER_BASE + 1,
> +               .flags  = IORESOURCE_MEM,
> +       },
> +};
> +
> +static struct platform_device ts73xx_fpga_device = {
> +       .name   = "ts73xx-fpga-mgr",
> +       .id     = -1,
> +       .resource = ts73xx_fpga_resources,
> +       .num_resources = ARRAY_SIZE(ts73xx_fpga_resources),
> +};
> +
> +#endif
> +
>  static void __init ts72xx_init_machine(void)
>  {
>         ep93xx_init_devices();
> @@ -238,6 +260,10 @@ static void __init ts72xx_init_machine(void)
>         platform_device_register(&ts72xx_wdt_device);
>
>         ep93xx_register_eth(&ts72xx_eth_data, 1);
> +#if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX)
> +       if (board_is_ts7300())
> +               platform_device_register(&ts73xx_fpga_device);
> +#endif
>  }
>
>  MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
> --
> 2.9.3
>

I think this is backwards, shouldn't this be your [PATCH 2/2]?
Otherwise you're using
the driver before you added it.

Thanks,

Moritz