linux-kernel - RE: [RESEND PATCH 1/2] MFD: MAX77693: add MAX77693 MFD driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <D958900912E20642BCBC71664EFECE3E6DD2912D02@BGMAIL02.nvidia.com>
Date:	Tue, 13 Mar 2012 11:05:01 +0530
From:	Venu Byravarasu <vbyravarasu@...dia.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"myungjoo.ham@...sung.com" <myungjoo.ham@...sung.com>,
	"kyungmin.park@...sung.com" <kyungmin.park@...sung.com>
Subject: RE: [RESEND PATCH 1/2] MFD: MAX77693: add MAX77693 MFD driver

Why don't you make use of regmap for all i2c read/ write operations?

> +int max77693_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
> +{
> +	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
> +	int ret;
> +
> +	mutex_lock(&max77693->iolock);
> +	ret = i2c_smbus_read_byte_data(i2c, reg);
> +	mutex_unlock(&max77693->iolock);
> +	if (ret < 0)
> +		return ret;
> +
> +	ret &= 0xff;
> +	*dest = ret;
> +	return 0;
> +}
> +EXPORT_SYMBOL_GPL(max77693_read_reg);
> +
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/