From: Kuninori Morimoto <kuninori.morimoto...@renesas.com>

Current rcar thermal driver sometimes checks irq possibility when it
calls rcar_thermal_irq_enable/disable(), but sometimes not.
This patch checks it inside rcar_thermal_irq_enable/disable().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto...@renesas.com>
---
v4 -> v5

 - no change

 drivers/thermal/rcar_thermal.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 0b19743..e9e4e39 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -290,6 +290,9 @@ static void _rcar_thermal_irq_ctrl(struct rcar_thermal_priv 
*priv, int enable)
        unsigned long flags;
        u32 mask = 0x3 << rcar_id_to_shift(priv); /* enable Rising/Falling */
 
+       if (!rcar_has_irq_support(priv))
+               return;
+
        spin_lock_irqsave(&common->lock, flags);
 
        rcar_thermal_common_bset(common, INTMSK, mask, enable ? 0 : mask);
@@ -441,8 +444,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                        goto error_unregister;
                }
 
-               if (rcar_has_irq_support(priv))
-                       rcar_thermal_irq_enable(priv);
+               rcar_thermal_irq_enable(priv);
 
                list_move_tail(&priv->list, &common->head);
 
@@ -488,8 +490,7 @@ static int rcar_thermal_remove(struct platform_device *pdev)
        struct rcar_thermal_priv *priv;
 
        rcar_thermal_for_each_priv(priv, common) {
-               if (rcar_has_irq_support(priv))
-                       rcar_thermal_irq_disable(priv);
+               rcar_thermal_irq_disable(priv);
                thermal_zone_device_unregister(priv->zone);
        }
 
-- 
1.9.1

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