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path: root/target/linux/ipq806x/patches-3.18/032-hwspinlock-qcom-Correct-msb-in-regmap_field.patch
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From bd5717a4632cdecafe82d03de7dcb3b1876e2828 Mon Sep 17 00:00:00 2001
From: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Date: Fri, 26 Jun 2015 14:47:21 -0700
Subject: [PATCH] hwspinlock: qcom: Correct msb in regmap_field

msb of the regmap_field was mistakenly given the value 32, to set all bits
in the regmap update mask; although incorrect this worked until 921cc294,
where the mask calculation was corrected.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
---
 drivers/hwspinlock/qcom_hwspinlock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwspinlock/qcom_hwspinlock.c
+++ b/drivers/hwspinlock/qcom_hwspinlock.c
@@ -123,7 +123,7 @@ static int qcom_hwspinlock_probe(struct
 	for (i = 0; i < QCOM_MUTEX_NUM_LOCKS; i++) {
 		field.reg = base + i * stride;
 		field.lsb = 0;
-		field.msb = 32;
+		field.msb = 31;
 
 		bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev,
 							     regmap, field);