linux-kernel - [PATCH] mfd: mc13xxx: Remove redundant checks

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Date:	Sat,  7 Dec 2013 13:00:43 +0400
From:	Alexander Shiyan <shc_work@...l.ru>
To:	linux-kernel@...r.kernel.org
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Alexander Shiyan <shc_work@...l.ru>
Subject: [PATCH] mfd: mc13xxx: Remove redundant checks

Checking for maximal register is already provided by regmap API,
so remove redundant checks.

Signed-off-by: Alexander Shiyan <shc_work@...l.ru>
---
 drivers/mfd/mc13xxx-core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index dbbf8ee..b0c7cb0 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -158,9 +158,6 @@ int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val)
 {
 	int ret;
 
-	if (offset > MC13XXX_NUMREGS)
-		return -EINVAL;
-
 	ret = regmap_read(mc13xxx->regmap, offset, val);
 	dev_vdbg(mc13xxx->dev, "[0x%02x] -> 0x%06x\n", offset, *val);
 
@@ -172,7 +169,7 @@ int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val)
 {
 	dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x\n", offset, val);
 
-	if (offset > MC13XXX_NUMREGS || val > 0xffffff)
+	if (val >= BIT(24))
 		return -EINVAL;
 
 	return regmap_write(mc13xxx->regmap, offset, val);
-- 
1.8.3.2

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