Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755854Ab1CQVmz (ORCPT ); Thu, 17 Mar 2011 17:42:55 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:36836 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755728Ab1CQVmy (ORCPT ); Thu, 17 Mar 2011 17:42:54 -0400 From: Mark Brown To: Samuel Ortiz Cc: linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH 3/3] mfd: Constify WM8994 write path Date: Thu, 17 Mar 2011 21:42:30 +0000 Message-Id: <1300398150-11834-3-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1300398150-11834-1-git-send-email-broonie@opensource.wolfsonmicro.com> References: <1300398150-11834-1-git-send-email-broonie@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2432 Lines: 72 Allow const buffers to be passed in without type safety issues. Signed-off-by: Mark Brown --- drivers/mfd/wm8994-core.c | 8 ++++---- include/linux/mfd/wm8994/core.h | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 475bd50..3f5b7cc 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -97,9 +97,9 @@ int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg, EXPORT_SYMBOL_GPL(wm8994_bulk_read); static int wm8994_write(struct wm8994 *wm8994, unsigned short reg, - int bytes, void *src) + int bytes, const void *src) { - u16 *buf = src; + const u16 *buf = src; int i; BUG_ON(bytes % 2); @@ -146,7 +146,7 @@ EXPORT_SYMBOL_GPL(wm8994_reg_write); * @buf: Buffer to write from. Data must be big-endian formatted. */ int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg, - int count, u16 *buf) + int count, const u16 *buf) { int ret; @@ -583,7 +583,7 @@ static int wm8994_i2c_read_device(struct wm8994 *wm8994, unsigned short reg, } static int wm8994_i2c_write_device(struct wm8994 *wm8994, unsigned short reg, - int bytes, void *src) + int bytes, const void *src) { struct i2c_client *i2c = wm8994->control_data; struct i2c_msg xfer[2]; diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h index cb7d3ae..f0b69cd 100644 --- a/include/linux/mfd/wm8994/core.h +++ b/include/linux/mfd/wm8994/core.h @@ -59,7 +59,7 @@ struct wm8994 { int (*read_dev)(struct wm8994 *wm8994, unsigned short reg, int bytes, void *dest); int (*write_dev)(struct wm8994 *wm8994, unsigned short reg, - int bytes, void *src); + int bytes, const void *src); void *control_data; @@ -89,7 +89,7 @@ int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg, int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg, int count, u16 *buf); int wm8994_bulk_write(struct wm8994 *wm8994, unsigned short reg, - int count, u16 *buf); + int count, const u16 *buf); /* Helper to save on boilerplate */ -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/