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author | Hauke Mehrtens <hauke@hauke-m.de> | 2015-06-25 21:43:16 +0000 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2015-06-25 21:43:16 +0000 |
commit | ca49bcadae57798588a8f4c50916f71b1da2b86d (patch) | |
tree | ec30712fd3cf16b8072ff4fc58098d48bcc73594 /target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch | |
parent | 37fb5ab8934413d1428fddc32ae460c6a70c16e5 (diff) | |
download | mtk-20170518-ca49bcadae57798588a8f4c50916f71b1da2b86d.zip mtk-20170518-ca49bcadae57798588a8f4c50916f71b1da2b86d.tar.gz mtk-20170518-ca49bcadae57798588a8f4c50916f71b1da2b86d.tar.bz2 |
bcm53xx: add arm l2c overwrite options like in mainline kernel
Instead of setting the l2c_aux_val variable in the board code make it
possible to set these through device tree and make use of that.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
SVN-Revision: 46129
Diffstat (limited to 'target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch')
-rw-r--r-- | target/linux/bcm53xx/patches-4.1/071-ARM-l2c-write-auxiliary-control-register-first.patch | 30 |
1 files changed, 30 insertions, 0 deletions
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 <rmk+kernel@arm.linux.org.uk> +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 <rmk+kernel@arm.linux.org.uk> +--- + 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); + } + + /* |