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authorIngo Molnar <mingo@elte.hu>2011-05-10 17:05:24 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-10 17:05:45 +0200
commit932fed4e2e42c3d730c01bb63b1c4f812c533d5b (patch)
tree11b1afac3a40d253cdb905c42901edfaae5e196e /arch/arm/mach-omap2/control.c
parent57d524154ffe99d27fb55e0e30ddbad9f4c35806 (diff)
parent693d92a1bbc9e42681c42ed190bd42b636ca876f (diff)
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Merge commit 'v2.6.39-rc7' into perf/core
Merge reason: pull in the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 =