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Diffstat (limited to 'arch/arm/mach-omap1/board-ams-delta.c')
-rw-r--r--arch/arm/mach-omap1/board-ams-delta.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 6613a6ff5dbc..6cbc69c92913 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -510,6 +510,7 @@ static void __init ams_delta_init(void)
static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
{
struct modem_private_data *priv = port->private_data;
+ int ret;
if (IS_ERR(priv->regulator))
return;
@@ -518,9 +519,16 @@ static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
return;
if (state == 0)
- regulator_enable(priv->regulator);
+ ret = regulator_enable(priv->regulator);
else if (old == 0)
- regulator_disable(priv->regulator);
+ ret = regulator_disable(priv->regulator);
+ else
+ ret = 0;
+
+ if (ret)
+ dev_warn(port->dev,
+ "ams_delta modem_pm: failed to %sable regulator: %d\n",
+ state ? "dis" : "en", ret);
}
static struct plat_serial8250_port ams_delta_modem_ports[] = {