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authorMichal Marek <mmarek@suse.cz>2011-06-07 15:37:51 +0200
committerMichal Marek <mmarek@suse.cz>2011-06-07 15:37:51 +0200
commit2e483528cebad089d0bb3f9aebb0ada22d968ffa (patch)
treed701405826b271e819a9a8500838cebd37b1364a /arch/arm/mach-omap2/control.c
parent163d3fe6a2357aba7b18b938d6ae6ce9570324e4 (diff)
parent55922c9d1b84b89cb946c777fddccb3247e7df2c (diff)
Merge commit 'v3.0-rc1' into kbuild/kbuild
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 =