netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrew Lunn <andrew@lunn.ch>
To: Arun Parameswaran <arun.parameswaran@broadcom.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	bcm-kernel-feedback-list@broadcom.com
Subject: Re: [PATCH 2/7] net: phy: Fix the register offsets in Broadcom iProc mdio mux driver
Date: Thu, 26 Jul 2018 21:06:36 +0200	[thread overview]
Message-ID: <20180726190636.GG10686@lunn.ch> (raw)
In-Reply-To: <1532630184-29450-3-git-send-email-arun.parameswaran@broadcom.com>

On Thu, Jul 26, 2018 at 11:36:19AM -0700, Arun Parameswaran wrote:
> Modify the register offsets in the Broadcom iProc mdio mux to start
> from the top of the register address space.
> 
> Earlier the base address specified was from the middle of the block's
> register space. The base address will now point to the start of the
> mdio's address space. The offsets have been fixed to match this.

Hi Arun

Did you consider a change something like:

diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c
index 0831b7142df7..2d53e609498c 100644
--- a/drivers/net/phy/mdio-mux-bcm-iproc.c
+++ b/drivers/net/phy/mdio-mux-bcm-iproc.c
@@ -169,6 +169,12 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev)
        md->dev = &pdev->dev;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+       if (res->start & 0xfff != 0) {
+               dev_info(&pdev->dev, "Please upgrade your device tree blob.\n");
+               res->start &= ~0xfff;
+       }
+
        md->base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(md->base)) {
                dev_err(&pdev->dev, "failed to ioremap register\n");


	Andrew

  reply	other threads:[~2018-07-26 19:06 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-26 18:36 [PATCH 0/7] Add clock config and pm support to bcm iProc mdio mux Arun Parameswaran
2018-07-26 18:36 ` [PATCH 1/7] dt-bindings: net: Fix Broadcom iProc mdio mux driver base address Arun Parameswaran
2018-07-26 19:01   ` Andrew Lunn
2018-07-26 19:15     ` Arun Parameswaran
2018-07-26 18:36 ` [PATCH 2/7] net: phy: Fix the register offsets in Broadcom iProc mdio mux driver Arun Parameswaran
2018-07-26 19:06   ` Andrew Lunn [this message]
2018-07-26 19:16     ` Arun Parameswaran
2018-07-26 19:25       ` Ray Jui
2018-07-26 19:29         ` Andrew Lunn
2018-07-26 18:36 ` [PATCH 3/7] arm64: dts: Fix the base address of the Broadcom iProc mdio mux Arun Parameswaran
2018-07-26 18:36 ` [PATCH 4/7] dt-bindings: net: Add clock handle to " Arun Parameswaran
2018-07-26 18:36 ` [PATCH 5/7] net: phy: Add support to configure clock in " Arun Parameswaran
2018-07-26 19:13   ` Andrew Lunn
2018-07-26 19:20     ` Arun Parameswaran
2018-07-26 19:26   ` Andrew Lunn
2018-07-26 20:00     ` Arun Parameswaran
2018-07-26 18:36 ` [PATCH 6/7] net: phy: Add pm support to Broadcom iProc mdio mux driver Arun Parameswaran
2018-07-26 19:16   ` Andrew Lunn
2018-07-26 18:36 ` [PATCH 7/7] net: phy: Add pm support for scan ctrl register to bcm mdio mux Arun Parameswaran
2018-07-26 19:20   ` Andrew Lunn
2018-07-26 19:33     ` Arun Parameswaran
2018-07-26 19:36       ` Andrew Lunn
2018-07-26 19:51         ` Arun Parameswaran
2018-07-26 18:52 ` [PATCH 0/7] Add clock config and pm support to bcm iProc " Andrew Lunn
2018-07-26 19:00   ` Arun Parameswaran

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180726190636.GG10686@lunn.ch \
    --to=andrew@lunn.ch \
    --cc=arun.parameswaran@broadcom.com \
    --cc=bcm-kernel-feedback-list@broadcom.com \
    --cc=catalin.marinas@arm.com \
    --cc=davem@davemloft.net \
    --cc=devicetree@vger.kernel.org \
    --cc=f.fainelli@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=netdev@vger.kernel.org \
    --cc=rjui@broadcom.com \
    --cc=robh+dt@kernel.org \
    --cc=sbranden@broadcom.com \
    --cc=will.deacon@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).