Re: [PATCH] MIPS: lantiq: gphy: Drop reboot/remove reset asserts

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On Mon, May 21, 2018 at 05:39:32PM +0100, James Hogan wrote:
> On Sun, Apr 08, 2018 at 10:30:03AM +0200, Mathias Kresin wrote:
> > While doing a global software reset, these bits are not cleared and let
> > some bootloader fail to initialise the GPHYs. The bootloader don't
> > expect the GPHYs in reset, as they aren't during power on.
> > 
> > The asserts were a workaround for a wrong syscon-reboot mask. With a
> > mask set which includes the GPHY resets, these resets aren't required
> > any more.
> > 
> > Fixes: 126534141b45 ("MIPS: lantiq: Add a GPHY driver which uses the RCU syscon-mfd")
> > Cc: stable@xxxxxxxxxxxxxxx # 4.14+
> > Signed-off-by: Mathias Kresin <dev@xxxxxxxxx>
> 
> Applied for 4.17. Thanks for the acks/reviews folk!

drivers/soc/lantiq/gphy.c: In function ‘xway_gphy_remove’:
drivers/soc/lantiq/gphy.c:198:6: warning: unused variable ‘ret’ [-Wunused-variable]
  int ret;
      ^~~
drivers/soc/lantiq/gphy.c:196:17: warning: unused variable ‘dev’ [-Wunused-variable]
  struct device *dev = &pdev->dev;
                 ^~~

Easily fixed, I can drop those two lines:

diff --git a/drivers/soc/lantiq/gphy.c b/drivers/soc/lantiq/gphy.c
index 8c31ae750987..feeb17cebc25 100644
--- a/drivers/soc/lantiq/gphy.c
+++ b/drivers/soc/lantiq/gphy.c
@@ -193,9 +193,7 @@ static int xway_gphy_probe(struct platform_device *pdev)

 static int xway_gphy_remove(struct platform_device *pdev)
 {
-	struct device *dev = &pdev->dev;
	struct xway_gphy_priv *priv = platform_get_drvdata(pdev);
-	int ret;

	iowrite32be(0, priv->membase);

However it does raise the question, it sounds like a fix, but was this
patch tested and the warning just overlooked?

Cheers
James

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