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| author | Mark A. Greer | 2012-04-19 20:17:45 +0200 |
|---|---|---|
| committer | Kevin Hilman | 2012-06-20 00:22:36 +0200 |
| commit | a819c4f16d5a2708c11e708fd59a96565c5384a8 (patch) | |
| tree | 5207211fe8210e493c3581f15e6d91c4acf05404 /arch/arm/mach-omap2/pm34xx.c | |
| parent | Linux 3.5-rc1 (diff) | |
| download | kernel-qcow2-linux-a819c4f16d5a2708c11e708fd59a96565c5384a8.tar.gz kernel-qcow2-linux-a819c4f16d5a2708c11e708fd59a96565c5384a8.tar.xz kernel-qcow2-linux-a819c4f16d5a2708c11e708fd59a96565c5384a8.zip | |
ARM: OMAP3: PM: Only access IVA if one exists
prcm_setup_regs() blindly accesses IVA bits
in the PRM and calls omap3_iva_idle() which
does more IVA related register accesses.
Only do this if the IVA hardware actually
exists.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index a34023d0ca7c..7eb8c5e4183e 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -581,10 +581,13 @@ static void __init prcm_setup_regs(void) OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL); /* Don't attach IVA interrupts */ - omap2_prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL); - omap2_prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1); - omap2_prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3); - omap2_prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL); + if (omap3_has_iva()) { + omap2_prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL); + omap2_prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1); + omap2_prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3); + omap2_prm_write_mod_reg(0, OMAP3430_PER_MOD, + OMAP3430_PM_IVAGRPSEL); + } /* Clear any pending 'reset' flags */ omap2_prm_write_mod_reg(0xffffffff, MPU_MOD, OMAP2_RM_RSTST); @@ -598,7 +601,9 @@ static void __init prcm_setup_regs(void) /* Clear any pending PRCM interrupts */ omap2_prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); - omap3_iva_idle(); + if (omap3_has_iva()) + omap3_iva_idle(); + omap3_d2d_idle(); } |