From 3af779eb172b0438f77e8a01a97dd0eb9a146076 Mon Sep 17 00:00:00 2001 From: Luka Perkov Date: Tue, 11 Feb 2014 02:07:41 +0000 Subject: mvebu: backport mainline patches from kernel 3.12 This is a backport of the patches accepted to the Linux mainline related to mvebu SoC (Armada XP and Armada 370) between Linux v3.11, and Linux v3.12. This work mainly covers: * Ground work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c) between the PXA family,and the Armada family. * Further updates to the mvebu MBus. * Work and ground work for enabling MSI on the Armada family. * some phy / mdio bus initialization related work. * Device tree binding documentation update. Signed-off-by: Seif Mazareeb CC: Luka Perkov SVN-Revision: 39565 --- ...a3xx-Check-for-clk_prepare_enable-return-.patch | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch (limited to 'target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch') diff --git a/target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch b/target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch new file mode 100644 index 0000000..f075d6e --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch @@ -0,0 +1,29 @@ +From 7e8fbc673938278ec7165b99b76227d7cc2ab012 Mon Sep 17 00:00:00 2001 +From: Ezequiel Garcia +Date: Wed, 17 Apr 2013 13:38:13 -0300 +Subject: [PATCH 105/203] mtd: nand: pxa3xx: Check for clk_prepare_enable() + return value + +clk_prepare_enable() can fail due to unknown reason. +Add a check for this and return the error code if it fails. + +Signed-off-by: Ezequiel Garcia +Signed-off-by: Artem Bityutskiy +Signed-off-by: David Woodhouse +--- + drivers/mtd/nand/pxa3xx_nand.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/nand/pxa3xx_nand.c ++++ b/drivers/mtd/nand/pxa3xx_nand.c +@@ -1072,7 +1072,9 @@ static int alloc_nand_resource(struct pl + dev_err(&pdev->dev, "failed to get nand clock\n"); + return PTR_ERR(info->clk); + } +- clk_prepare_enable(info->clk); ++ ret = clk_prepare_enable(info->clk); ++ if (ret < 0) ++ return ret; + + /* + * This is a dirty hack to make this driver work from devicetree -- cgit v1.1