linux-kernel - [PATCH v1 1/9] extcon: extcon-ptn5150: Switch to GENMASK() for vendor and device ID's

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Message-Id: <20200818065727.50520-2-vadivel.muruganx.ramuthevar@linux.intel.com>
Date:   Tue, 18 Aug 2020 14:57:19 +0800
From:   "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     linux-kernel@...r.kernel.org, myungjoo.ham@...sung.com,
        cw00.choi@...sung.com
Cc:     andriy.shevchenko@...el.com, thomas.langer@...el.com,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com, yin1.li@...el.com,
        Ramuthevar Vadivel Murugan 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
Subject: [PATCH v1 1/9] extcon: extcon-ptn5150: Switch to GENMASK() for vendor and device ID's

From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>

Switch to GENMASK() for vendor_id and device_id macros.

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
---
 drivers/extcon/extcon-ptn5150.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/extcon/extcon-ptn5150.c b/drivers/extcon/extcon-ptn5150.c
index d1c997599390..5d9a8767646b 100644
--- a/drivers/extcon/extcon-ptn5150.c
+++ b/drivers/extcon/extcon-ptn5150.c
@@ -6,6 +6,7 @@
 // Copyright (c) 2018-2019 by Vijai Kumar K
 // Author: Vijai Kumar K <vijaikumar.kanagarajan@...il.com>
 
+#include <linux/bitfield.h>
 #include <linux/err.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
@@ -34,13 +35,8 @@ enum ptn5150_reg {
 #define PTN5150_UFP_ATTACHED			0x2
 
 /* Define PTN5150 MASK/SHIFT constant */
-#define PTN5150_REG_DEVICE_ID_VENDOR_SHIFT	0
-#define PTN5150_REG_DEVICE_ID_VENDOR_MASK	\
-	(0x3 << PTN5150_REG_DEVICE_ID_VENDOR_SHIFT)
-
-#define PTN5150_REG_DEVICE_ID_VERSION_SHIFT	3
-#define PTN5150_REG_DEVICE_ID_VERSION_MASK	\
-	(0x1f << PTN5150_REG_DEVICE_ID_VERSION_SHIFT)
+#define PTN5150_REG_DEVICE_ID_VERSION		GENMASK(7, 3)
+#define PTN5150_REG_DEVICE_ID_VENDOR		GENMASK(2, 0)
 
 #define PTN5150_REG_CC_PORT_ATTACHMENT_SHIFT	2
 #define PTN5150_REG_CC_PORT_ATTACHMENT_MASK	\
@@ -194,10 +190,8 @@ static int ptn5150_init_dev_type(struct ptn5150_info *info)
 		return -EINVAL;
 	}
 
-	vendor_id = ((reg_data & PTN5150_REG_DEVICE_ID_VENDOR_MASK) >>
-				PTN5150_REG_DEVICE_ID_VENDOR_SHIFT);
-	version_id = ((reg_data & PTN5150_REG_DEVICE_ID_VERSION_MASK) >>
-				PTN5150_REG_DEVICE_ID_VERSION_SHIFT);
+	vendor_id = FIELD_GET(PTN5150_REG_DEVICE_ID_VENDOR, reg_data);
+	version_id = FIELD_GET(PTN5150_REG_DEVICE_ID_VERSION, reg_data);
 
 	dev_info(info->dev, "Device type: version: 0x%x, vendor: 0x%x\n",
 			    version_id, vendor_id);
-- 
2.11.0