This is a note to let you know that I've just added the patch titled

net: phy: meson-gxl: check phy_write return value

to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: net-phy-meson-gxl-check-phy_write-return-value.patch and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Thu Mar 22 14:26:48 CET 2018

From: Jerome Brunet jbrunet@baylibre.com Date: Mon, 18 Dec 2017 10:44:40 +0100 Subject: net: phy: meson-gxl: check phy_write return value

From: Jerome Brunet jbrunet@baylibre.com

[ Upstream commit 9042b46eda33ef5db3cdfc9e12b3c8cabb196141 ]

Always check phy_write return values. Better to be safe than sorry

Reviewed-by: Andrew Lunn andrew@lunn.ch Signed-off-by: Jerome Brunet jbrunet@baylibre.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/phy/meson-gxl.c | 50 +++++++++++++++++++++++++++++++++----------- 1 file changed, 38 insertions(+), 12 deletions(-)

--- a/drivers/net/phy/meson-gxl.c +++ b/drivers/net/phy/meson-gxl.c @@ -25,27 +25,53 @@

static int meson_gxl_config_init(struct phy_device *phydev) { + int ret; + /* Enable Analog and DSP register Bank access by */ - phy_write(phydev, 0x14, 0x0000); - phy_write(phydev, 0x14, 0x0400); - phy_write(phydev, 0x14, 0x0000); - phy_write(phydev, 0x14, 0x0400); + ret = phy_write(phydev, 0x14, 0x0000); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x0400); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x0000); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x0400); + if (ret) + return ret;

/* Write Analog register 23 */ - phy_write(phydev, 0x17, 0x8E0D); - phy_write(phydev, 0x14, 0x4417); + ret = phy_write(phydev, 0x17, 0x8E0D); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x4417); + if (ret) + return ret;

/* Enable fractional PLL */ - phy_write(phydev, 0x17, 0x0005); - phy_write(phydev, 0x14, 0x5C1B); + ret = phy_write(phydev, 0x17, 0x0005); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x5C1B); + if (ret) + return ret;

/* Program fraction FR_PLL_DIV1 */ - phy_write(phydev, 0x17, 0x029A); - phy_write(phydev, 0x14, 0x5C1D); + ret = phy_write(phydev, 0x17, 0x029A); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x5C1D); + if (ret) + return ret;

/* Program fraction FR_PLL_DIV1 */ - phy_write(phydev, 0x17, 0xAAAA); - phy_write(phydev, 0x14, 0x5C1C); + ret = phy_write(phydev, 0x17, 0xAAAA); + if (ret) + return ret; + ret = phy_write(phydev, 0x14, 0x5C1C); + if (ret) + return ret;

return 0; }

Patches currently in stable-queue which might be from jbrunet@baylibre.com are

queue-4.14/net-phy-meson-gxl-check-phy_write-return-value.patch