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authorPaul Mundt <lethal@linux-sh.org>2011-05-24 12:05:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-05-24 12:05:26 +0900
commit8b1aaeaf54f1bcaa0bbec6bb170db367c998d27c (patch)
tree2478e1708f5a3da261597f4aa1011d4d41c2cc84 /arch/arm/mach-omap2/control.c
parentbca606a646a2b1f4fa1ae2b22a0ac707505d7297 (diff)
parent5e152b4c9e0fce6149c74406346a7ae7e7a17727 (diff)
downloadblackbird-op-linux-8b1aaeaf54f1bcaa0bbec6bb170db367c998d27c.tar.gz
blackbird-op-linux-8b1aaeaf54f1bcaa0bbec6bb170db367c998d27c.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Diffstat (limited to 'arch/arm/mach-omap2/control.c')
-rw-r--r--arch/arm/mach-omap2/control.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index 695279419020..da53ba3917ca 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -316,8 +316,14 @@ void omap3_save_scratchpad_contents(void)
omap2_cm_read_mod_reg(WKUP_MOD, CM_CLKSEL);
prcm_block_contents.cm_clken_pll =
omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN);
+ /*
+ * As per erratum i671, ROM code does not respect the PER DPLL
+ * programming scheme if CM_AUTOIDLE_PLL..AUTO_PERIPH_DPLL == 1.
+ * Then, in anycase, clear these bits to avoid extra latencies.
+ */
prcm_block_contents.cm_autoidle_pll =
- omap2_cm_read_mod_reg(PLL_MOD, OMAP3430_CM_AUTOIDLE_PLL);
+ omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE) &
+ ~OMAP3430_AUTO_PERIPH_DPLL_MASK;
prcm_block_contents.cm_clksel1_pll =
omap2_cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL1_PLL);
prcm_block_contents.cm_clksel2_pll =
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