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authorKevin Hilman <khilman@ti.com>2011-03-29 14:36:04 -0700
committerKevin Hilman <khilman@ti.com>2011-09-15 12:08:19 -0700
commit5892bb1fc6430d086f5c2a4216f9ed00070e31ad (patch)
tree6a64fdd3e6d4e80cae63c1fa3c947383b1024d7e /arch/arm/mach-omap2/vc.c
parent78614e0f8f32dca52beebaadfb53c2a3acf1604a (diff)
OMAP3+: VC: cleanup voltage setup time configuration
- add setup_time field to struct omap_vc_channel (init'd from PMIC data) - use VC/VP register access helper for read/modify/write - move VFSM structure from omap_vdd_info into struct voltagedomain - remove redunant _data suffix from VFSM structures and variables - remove voltsetup_shift, use ffs() on the mask value to find the shift Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/vc.c')
-rw-r--r--arch/arm/mach-omap2/vc.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index 8f0105a7bb4..f78e62abe72 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -223,7 +223,6 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm)
{
struct omap_vc_channel *vc = voltdm->vc;
struct omap_vdd_info *vdd = voltdm->vdd;
- u32 vc_val;
if (!vdd->pmic_info || !vdd->pmic_info->uv_to_vsel) {
pr_err("%s: PMIC info requried to configure vc for"
@@ -242,6 +241,7 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm)
vc->i2c_slave_addr = vdd->pmic_info->i2c_slave_addr;
vc->volt_reg_addr = vdd->pmic_info->volt_reg_addr;
vc->cmd_reg_addr = vdd->pmic_info->cmd_reg_addr;
+ vc->setup_time = vdd->pmic_info->volt_setup_time;
/* Configure the i2c slave address for this VC */
voltdm->rmw(vc->smps_sa_mask,
@@ -260,11 +260,9 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm)
vc->common->smps_cmdra_reg);
/* Configure the setup times */
- vc_val = voltdm->read(vdd->vfsm->voltsetup_reg);
- vc_val &= ~vdd->vfsm->voltsetup_mask;
- vc_val |= vdd->pmic_info->volt_setup_time <<
- vdd->vfsm->voltsetup_shift;
- voltdm->write(vc_val, vdd->vfsm->voltsetup_reg);
+ voltdm->rmw(voltdm->vfsm->voltsetup_mask,
+ vc->setup_time << __ffs(voltdm->vfsm->voltsetup_mask),
+ voltdm->vfsm->voltsetup_reg);
if (cpu_is_omap34xx())
omap3_vc_init_channel(voltdm);