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[PATCHv7,15/21] ARM: OMAP4: vc: fix channel configuration

Message ID 1348590833-12335-16-git-send-email-t-kristo@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tero Kristo Sept. 25, 2012, 4:33 p.m. UTC 
RACEN bit should only be set if the voltage and command register addresses
are the same.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
---
 arch/arm/mach-omap2/vc.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index 2ca00bc..a63c53a 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -695,9 +695,12 @@  void __init omap_vc_init_channel(struct voltagedomain *voltdm)
 		voltdm->rmw(vc->smps_cmdra_mask,
 			    vc->cmd_reg_addr << __ffs(vc->smps_cmdra_mask),
 			    vc->smps_cmdra_reg);
-		vc->cfg_channel |= vc_cfg_bits->rac | vc_cfg_bits->racen;
+		vc->cfg_channel |= vc_cfg_bits->rac;
 	}
 
+	if (vc->cmd_reg_addr == vc->volt_reg_addr)
+		vc->cfg_channel |= vc_cfg_bits->racen;
+
 	/* Set up the on, inactive, retention and off voltage */
 	on_vsel = omap_vc_calc_vsel(voltdm, voltdm->vc_param->on);
 	onlp_vsel = omap_vc_calc_vsel(voltdm, voltdm->vc_param->onlp);