From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001 From: James <> Date: Wed, 4 Nov 2015 11:49:21 +0000 Subject: trunk-47381 --- ...2c-write-auxiliary-control-register-first.patch | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch (limited to 'target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch') diff --git a/target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch b/target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch new file mode 100644 index 0000000..a9cca83 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch @@ -0,0 +1,30 @@ +From 7705dd256ce363f8b01429efb2f0dc4d1ee23c89 Mon Sep 17 00:00:00 2001 +From: Russell King +Date: Fri, 15 May 2015 11:07:14 +0100 +Subject: [PATCH 71/74] ARM: l2c: write auxiliary control register first + +Before calling the controller specific configuration function, write +the auxiliary control register first, so that bits shared with other +registers (such as the prefetch control register) are not overwritten +by the later write to the auxctrl register. + +Signed-off-by: Russell King +--- + arch/arm/mm/cache-l2x0.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/arm/mm/cache-l2x0.c ++++ b/arch/arm/mm/cache-l2x0.c +@@ -115,10 +115,10 @@ static void l2c_configure(void __iomem * + return; + } + ++ l2c_write_sec(l2x0_saved_regs.aux_ctrl, base, L2X0_AUX_CTRL); ++ + if (l2x0_data->configure) + l2x0_data->configure(base); +- +- l2c_write_sec(l2x0_saved_regs.aux_ctrl, base, L2X0_AUX_CTRL); + } + + /* -- cgit v1.2.3