[PATCH v4 3/3] OMAP2+: voltage: add check for missing PMIC info in vp init
From: Abhilash K V <hidden>
Date: 2011-09-22 13:27:39
Also in:
linux-omap, lkml
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
If PMIC info is not available in omap_vp_init(), abort. Signed-off-by: Abhilash K V <redacted> --- arch/arm/mach-omap2/vp.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
index 66bd700..2c99837 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c@@ -41,6 +41,13 @@ void __init omap_vp_init(struct voltagedomain *voltdm) u32 val, sys_clk_rate, timeout, waittime; u32 vddmin, vddmax, vstepmin, vstepmax; + if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) { + pr_err("%s: PMIC info requried to configure vp for" + "vdd_%s not populated.Hence cannot initialize vp\n", + __func__, voltdm->name); + return; + } + if (!voltdm->read || !voltdm->write) { pr_err("%s: No read/write API for accessing vdd_%s regs\n", __func__, voltdm->name);
--
1.7.1