From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 3 Jun 2012 12:37:23 +0000 (+0100)
Subject: mfd: Rely on regmap cache in wm8350 interrupt controller
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7fdb5d32614f7784fc7c2b8e883eb4da26358a94;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

mfd: Rely on regmap cache in wm8350 interrupt controller

We can just use regmap_update_bits() to achieve the same effect - it will
do the read/modify/update cycle for us.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
index 9fd01bf63c51..624ff90501cd 100644
--- a/drivers/mfd/wm8350-irq.c
+++ b/drivers/mfd/wm8350-irq.c
@@ -432,11 +432,9 @@ static void wm8350_irq_sync_unlock(struct irq_data *data)
 	for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
 		/* If there's been a change in the mask write it back
 		 * to the hardware. */
-		if (wm8350->irq_masks[i] !=
-		    wm8350->reg_cache[WM8350_INT_STATUS_1_MASK + i])
-			WARN_ON(wm8350_reg_write(wm8350,
-					 WM8350_INT_STATUS_1_MASK + i,
-						 wm8350->irq_masks[i]));
+		WARN_ON(regmap_update_bits(wm8350->regmap,
+					   WM8350_INT_STATUS_1_MASK + i,
+					   0xffff, wm8350->irq_masks[i]));
 	}
 
 	mutex_unlock(&wm8350->irq_lock);