linux-kernel - [PATCH-v6 4/6] mfd: 88pm800: Remove unnecessary protection around pdata

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Message-Id: <1436358392-15449-5-git-send-email-vaibhav.hiremath@linaro.org>
Date:	Wed,  8 Jul 2015 17:56:30 +0530
From:	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH-v6 4/6] mfd: 88pm800: Remove unnecessary protection around pdata

With addition of proper checks in place in pm800_probe function,
which makes sure that pdata would never become NULL.
So remove all unnecessary protection around pdata in whole
driver code.

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Acked-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mfd/88pm800.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index af8232f..074ba8b 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -302,7 +302,7 @@ static int device_gpadc_init(struct pm80x_chip *chip)
 	mask = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN1 |
 		PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3);
 
-	if (pdata && (pdata->batt_det == 0))
+	if (pdata->batt_det == 0)
 		data = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN1 |
 			PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3);
 	else
@@ -331,11 +331,8 @@ static int device_rtc_init(struct pm80x_chip *chip)
 {
 	struct pm80x_platform_data *pdata = dev_get_platdata(chip->dev);
 
-	if (pdata) {
-		rtc_devs[0].platform_data = pdata->rtc;
-		rtc_devs[0].pdata_size =
-				pdata->rtc ? sizeof(struct pm80x_rtc_pdata) : 0;
-	}
+	rtc_devs[0].platform_data = pdata->rtc;
+	rtc_devs[0].pdata_size = pdata->rtc ? sizeof(struct pm80x_rtc_pdata) : 0;
 
 	return mfd_add_devices(chip->dev, 0, &rtc_devs[0],
 			      ARRAY_SIZE(rtc_devs), NULL, 0, NULL);
@@ -478,7 +475,7 @@ static int device_800_init(struct pm80x_chip *chip)
 		goto out;
 	}
 	if (val & PM800_ALARM_WAKEUP) {
-		if (pdata && pdata->rtc)
+		if (pdata->rtc)
 			pdata->rtc->rtc_wakeup = 1;
 	}
 
@@ -580,7 +577,7 @@ static int pm800_probe(struct i2c_client *client,
 		goto err_device_init;
 	}
 
-	if (pdata && pdata->plat_config)
+	if (pdata->plat_config)
 		pdata->plat_config(chip, pdata);
 
 	return 0;
-- 
1.9.1

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