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ARM: OMAP2+: Remove bogus warnings for machines without twl PMIC

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In general we want to see a quiet dmesg output with no errors or warnings
unless something is really wrong and needs attention. We currently see
these bogus warnings on boot:

twl: not initialized
twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660
twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660
twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660
twl6030_uv_to_vsel:OUT OF RANGE! non mapped vsel for 1375000 Vs max 1316660
...

Let's avoid these by checking if a device tree node for cpcap PMIC exists.

Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2019-10-16 07:37:05 -07:00
parent dfc065aa89
commit ccd369455a
1 changed files with 2 additions and 1 deletions
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3
arch/arm/mach-omap2/omap_twl.c
View file

@ -219,7 +219,8 @@ int __init omap4_twl_init(void)
{
struct voltagedomain *voltdm;
if (!cpu_is_omap44xx())
if (!cpu_is_omap44xx() ||
of_find_compatible_node(NULL, NULL, "motorola,cpcap"))
return -ENODEV;
voltdm = voltdm_lookup("mpu");