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From: Andrew Lunn <andrew@lunn.ch>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Krzysztof Halasa <khalasa@piap.pl>
Subject: Re: [PATCH 4/8] ARM/net: ixp4xx: Pass ethernet physical base as resource
Date: Fri, 24 May 2019 22:00:12 +0200	[thread overview]
Message-ID: <20190524200012.GP21208@lunn.ch> (raw)
In-Reply-To: <20190524162023.9115-5-linus.walleij@linaro.org>

On Fri, May 24, 2019 at 06:20:19PM +0200, Linus Walleij wrote:
> In order to probe this ethernet interface from the device tree
> all physical MMIO regions must be passed as resources. Begin
> this rewrite by first passing the port base address as a
> resource for all platforms using this driver, remap it in
> the driver and avoid using any reference of the statically
> mapped virtual address in the driver.
> 
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
>  arch/arm/mach-ixp4xx/fsg-setup.c         | 20 ++++++++++++++++++++
>  arch/arm/mach-ixp4xx/goramo_mlr.c        | 20 ++++++++++++++++++++
>  arch/arm/mach-ixp4xx/ixdp425-setup.c     | 20 ++++++++++++++++++++
>  arch/arm/mach-ixp4xx/nas100d-setup.c     | 10 ++++++++++
>  arch/arm/mach-ixp4xx/nslu2-setup.c       | 10 ++++++++++
>  arch/arm/mach-ixp4xx/omixp-setup.c       | 20 ++++++++++++++++++++
>  arch/arm/mach-ixp4xx/vulcan-setup.c      | 20 ++++++++++++++++++++
>  drivers/net/ethernet/xscale/ixp4xx_eth.c | 20 +++++++++++---------
>  8 files changed, 131 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
> index 648932d8d7a8..507ee3878769 100644
> --- a/arch/arm/mach-ixp4xx/fsg-setup.c
> +++ b/arch/arm/mach-ixp4xx/fsg-setup.c
> @@ -132,6 +132,22 @@ static struct platform_device fsg_leds = {
>  };
>  
>  /* Built-in 10/100 Ethernet MAC interfaces */
> +static struct resource fsg_eth_npeb_resources[] = {
> +	{
> +		.start		= IXP4XX_EthB_BASE_PHYS,
> +		.end		= IXP4XX_EthB_BASE_PHYS + 0x0fff,

Hi Linus

It is a long time since i did resources. But i was always told to use
the SZ_ macros, so SZ_4K. I also think 0xfff is wrong, it should be
0x1000.

	Andrew

  reply	other threads:[~2019-05-24 20:00 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-24 16:20 [PATCH 0/8] Xscale IXP4xx ethernet refurbishing Linus Walleij
2019-05-24 16:20 ` [PATCH 1/8] net: ethernet: ixp4xx: Standard module init Linus Walleij
2019-05-24 19:46   ` Andrew Lunn
2019-05-29  7:10     ` Linus Walleij
2019-05-24 16:20 ` [PATCH 2/8] net: ethernet: ixp4xx: Use distinct local variable Linus Walleij
2019-05-24 16:20 ` [PATCH 3/8] net: ehernet: ixp4xx: Use devm_alloc_etherdev() Linus Walleij
2019-05-24 19:52   ` Andrew Lunn
2019-05-24 16:20 ` [PATCH 4/8] ARM/net: ixp4xx: Pass ethernet physical base as resource Linus Walleij
2019-05-24 20:00   ` Andrew Lunn [this message]
2019-05-25  9:14     ` Sergei Shtylyov
2019-05-28 13:21       ` Andrew Lunn
2019-05-24 16:20 ` [PATCH 5/8] net: ethernet: ixp4xx: Get port ID from base address Linus Walleij
2019-05-24 16:20 ` [PATCH 6/8] net: ethernet: ixp4xx: Use parent dev for DMA pool Linus Walleij
2019-05-24 16:20 ` [PATCH 7/8] net: ethernet: ixp4xx: Add DT bindings Linus Walleij
2019-05-24 20:06   ` Andrew Lunn
2019-05-29  7:13     ` Linus Walleij
2019-05-24 16:20 ` [PATCH 8/8] net: ethernet: ixp4xx: Support device tree probing Linus Walleij
2019-05-24 20:21   ` Andrew Lunn

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