From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759421AbcHaIXi (ORCPT ); Wed, 31 Aug 2016 04:23:38 -0400 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:53512 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756381AbcHaIXf (ORCPT ); Wed, 31 Aug 2016 04:23:35 -0400 X-IronPort-AV: E=Sophos;i="5.30,261,1470693600"; d="scan'208";a="191561885" From: Julia Lawall To: Alessandro Zummo Cc: kernel-janitors@vger.kernel.org, linux-tegra@vger.kernel.org, Alexandre Courbot , Thierry Reding , Stephen Warren , Hans Ulli Kroll , Alessandro Zummo , Alexandre Belloni , linux-arm-kernel@lists.infradead.org, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org, Wan ZongShun , Linus Walleij , Eddie Huang , linux-mediatek@lists.infradead.org, Baruch Siach Subject: [PATCH] rtc: constify rtc_class_ops structures Date: Wed, 31 Aug 2016 10:05:25 +0200 Message-Id: <1472630725-25465-1-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check for rtc_class_ops structures that are only passed to devm_rtc_device_register, rtc_device_register, platform_device_register_data, all of which declare the corresponding parameter as const. Declare rtc_class_ops structures that have these properties as const. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @r disable optional_qualifier@ identifier i; position p; @@ static struct rtc_class_ops i@p = { ... }; @ok@ identifier r.i; expression e1,e2,e3,e4; position p; @@ ( devm_rtc_device_register(e1,e2,&i@p,e3) | rtc_device_register(e1,e2,&i@p,e3) | platform_device_register_data(e1,e2,e3,&i@p,e4) ) @bad@ position p != {r.p,ok.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct rtc_class_ops i = { ... }; // Signed-off-by: Julia Lawall --- drivers/rtc/rtc-at32ap700x.c | 2 +- drivers/rtc/rtc-coh901331.c | 2 +- drivers/rtc/rtc-davinci.c | 2 +- drivers/rtc/rtc-digicolor.c | 2 +- drivers/rtc/rtc-ds1302.c | 2 +- drivers/rtc/rtc-gemini.c | 2 +- drivers/rtc/rtc-jz4740.c | 2 +- drivers/rtc/rtc-mcp795.c | 2 +- drivers/rtc/rtc-mt6397.c | 2 +- drivers/rtc/rtc-nuc900.c | 2 +- drivers/rtc/rtc-omap.c | 2 +- drivers/rtc/rtc-palmas.c | 2 +- drivers/rtc/rtc-pcf50633.c | 2 +- drivers/rtc/rtc-rx6110.c | 2 +- drivers/rtc/rtc-rx8025.c | 2 +- drivers/rtc/rtc-spear.c | 2 +- drivers/rtc/rtc-stmp3xxx.c | 2 +- drivers/rtc/rtc-tegra.c | 2 +- drivers/rtc/rtc-twl.c | 2 +- 19 files changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/rtc/rtc-gemini.c b/drivers/rtc/rtc-gemini.c index b57505e..688debc 100644 --- a/drivers/rtc/rtc-gemini.c +++ b/drivers/rtc/rtc-gemini.c @@ -110,7 +110,7 @@ static int gemini_rtc_set_time(struct device *dev, struct rtc_time *tm) return 0; } -static struct rtc_class_ops gemini_rtc_ops = { +static const struct rtc_class_ops gemini_rtc_ops = { .read_time = gemini_rtc_read_time, .set_time = gemini_rtc_set_time, }; diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c index 83ac233..de8bf56 100644 --- a/drivers/rtc/rtc-at32ap700x.c +++ b/drivers/rtc/rtc-at32ap700x.c @@ -187,7 +187,7 @@ static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id) return ret; } -static struct rtc_class_ops at32_rtc_ops = { +static const struct rtc_class_ops at32_rtc_ops = { .read_time = at32_rtc_readtime, .set_time = at32_rtc_settime, .read_alarm = at32_rtc_readalarm, diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c index dba60c1..caf3556 100644 --- a/drivers/rtc/rtc-davinci.c +++ b/drivers/rtc/rtc-davinci.c @@ -469,7 +469,7 @@ static int davinci_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) return 0; } -static struct rtc_class_ops davinci_rtc_ops = { +static const struct rtc_class_ops davinci_rtc_ops = { .ioctl = davinci_rtc_ioctl, .read_time = davinci_rtc_read_time, .set_time = davinci_rtc_set_time, diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c index f5dd09f..0ec4be6 100644 --- a/drivers/rtc/rtc-ds1302.c +++ b/drivers/rtc/rtc-ds1302.c @@ -102,7 +102,7 @@ static int ds1302_rtc_get_time(struct device *dev, struct rtc_time *time) return rtc_valid_tm(time); } -static struct rtc_class_ops ds1302_rtc_ops = { +static const struct rtc_class_ops ds1302_rtc_ops = { .read_time = ds1302_rtc_get_time, .set_time = ds1302_rtc_set_time, }; diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c index b2bcfc0..5e14651 100644 --- a/drivers/rtc/rtc-jz4740.c +++ b/drivers/rtc/rtc-jz4740.c @@ -174,7 +174,7 @@ static int jz4740_rtc_alarm_irq_enable(struct device *dev, unsigned int enable) return jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_AF_IRQ, enable); } -static struct rtc_class_ops jz4740_rtc_ops = { +static const struct rtc_class_ops jz4740_rtc_ops = { .read_time = jz4740_rtc_read_time, .set_mmss = jz4740_rtc_set_mmss, .read_alarm = jz4740_rtc_read_alarm, diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c index 025bb33..4021fd0 100644 --- a/drivers/rtc/rtc-mcp795.c +++ b/drivers/rtc/rtc-mcp795.c @@ -151,7 +151,7 @@ static int mcp795_read_time(struct device *dev, struct rtc_time *tim) return rtc_valid_tm(tim); } -static struct rtc_class_ops mcp795_rtc_ops = { +static const struct rtc_class_ops mcp795_rtc_ops = { .read_time = mcp795_read_time, .set_time = mcp795_set_time }; diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index ec2e9c5..cadac8e 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -469,7 +469,7 @@ static void omap_rtc_power_off(void) mdelay(2500); } -static struct rtc_class_ops omap_rtc_ops = { +static const struct rtc_class_ops omap_rtc_ops = { .read_time = omap_rtc_read_time, .set_time = omap_rtc_set_time, .read_alarm = omap_rtc_read_alarm, diff --git a/drivers/rtc/rtc-palmas.c b/drivers/rtc/rtc-palmas.c index 6080e0e..4bcfb88 100644 --- a/drivers/rtc/rtc-palmas.c +++ b/drivers/rtc/rtc-palmas.c @@ -225,7 +225,7 @@ static irqreturn_t palmas_rtc_interrupt(int irq, void *context) return IRQ_HANDLED; } -static struct rtc_class_ops palmas_rtc_ops = { +static const struct rtc_class_ops palmas_rtc_ops = { .read_time = palmas_rtc_read_time, .set_time = palmas_rtc_set_time, .read_alarm = palmas_rtc_read_alarm, diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c index e6b6911..00c31c9 100644 --- a/drivers/rtc/rtc-pcf50633.c +++ b/drivers/rtc/rtc-pcf50633.c @@ -232,7 +232,7 @@ static int pcf50633_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) return ret; } -static struct rtc_class_ops pcf50633_rtc_ops = { +static const struct rtc_class_ops pcf50633_rtc_ops = { .read_time = pcf50633_rtc_read_time, .set_time = pcf50633_rtc_set_time, .read_alarm = pcf50633_rtc_read_alarm, diff --git a/drivers/rtc/rtc-rx6110.c b/drivers/rtc/rtc-rx6110.c index 591793e..7c9c08e 100644 --- a/drivers/rtc/rtc-rx6110.c +++ b/drivers/rtc/rtc-rx6110.c @@ -317,7 +317,7 @@ static int rx6110_init(struct rx6110_data *rx6110) return ret; } -static struct rtc_class_ops rx6110_rtc_ops = { +static const struct rtc_class_ops rx6110_rtc_ops = { .read_time = rx6110_get_time, .set_time = rx6110_set_time, }; diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c index 2b85cc7..91857d8 100644 --- a/drivers/rtc/rtc-rx8025.c +++ b/drivers/rtc/rtc-rx8025.c @@ -403,7 +403,7 @@ static int rx8025_alarm_irq_enable(struct device *dev, unsigned int enabled) return 0; } -static struct rtc_class_ops rx8025_rtc_ops = { +static const struct rtc_class_ops rx8025_rtc_ops = { .read_time = rx8025_get_time, .set_time = rx8025_set_time, .read_alarm = rx8025_read_alarm, diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index f05ef85..e377f42 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -343,7 +343,7 @@ static int spear_alarm_irq_enable(struct device *dev, unsigned int enabled) return ret; } -static struct rtc_class_ops spear_rtc_ops = { +static const struct rtc_class_ops spear_rtc_ops = { .read_time = spear_rtc_read_time, .set_time = spear_rtc_set_time, .read_alarm = spear_rtc_read_alarm, diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index e6aaaa5..d578e40 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -231,7 +231,7 @@ static int stmp3xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) return 0; } -static struct rtc_class_ops stmp3xxx_rtc_ops = { +static const struct rtc_class_ops stmp3xxx_rtc_ops = { .alarm_irq_enable = stmp3xxx_alarm_irq_enable, .read_time = stmp3xxx_rtc_gettime, diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 2dc787d..176720b 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -462,7 +462,7 @@ out: return ret; } -static struct rtc_class_ops twl_rtc_ops = { +static const struct rtc_class_ops twl_rtc_ops = { .read_time = twl_rtc_read_time, .set_time = twl_rtc_set_time, .read_alarm = twl_rtc_read_alarm, diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c index 09fc1c1..b1b6b30 100644 --- a/drivers/rtc/rtc-nuc900.c +++ b/drivers/rtc/rtc-nuc900.c @@ -214,7 +214,7 @@ static int nuc900_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) return 0; } -static struct rtc_class_ops nuc900_rtc_ops = { +static const struct rtc_class_ops nuc900_rtc_ops = { .read_time = nuc900_rtc_read_time, .set_time = nuc900_rtc_set_time, .read_alarm = nuc900_rtc_read_alarm, diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c index 15ac597..3853ba9 100644 --- a/drivers/rtc/rtc-tegra.c +++ b/drivers/rtc/rtc-tegra.c @@ -291,7 +291,7 @@ static irqreturn_t tegra_rtc_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static struct rtc_class_ops tegra_rtc_ops = { +static const struct rtc_class_ops tegra_rtc_ops = { .read_time = tegra_rtc_read_time, .set_time = tegra_rtc_set_time, .read_alarm = tegra_rtc_read_alarm, diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c index 101b7a2..cfc4141 100644 --- a/drivers/rtc/rtc-coh901331.c +++ b/drivers/rtc/rtc-coh901331.c @@ -140,7 +140,7 @@ static int coh901331_alarm_irq_enable(struct device *dev, unsigned int enabled) return 0; } -static struct rtc_class_ops coh901331_ops = { +static const struct rtc_class_ops coh901331_ops = { .read_time = coh901331_read_time, .set_mmss = coh901331_set_mmss, .read_alarm = coh901331_read_alarm, diff --git a/drivers/rtc/rtc-digicolor.c b/drivers/rtc/rtc-digicolor.c index 8d05596..b253bf1 100644 --- a/drivers/rtc/rtc-digicolor.c +++ b/drivers/rtc/rtc-digicolor.c @@ -159,7 +159,7 @@ static int dc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) return 0; } -static struct rtc_class_ops dc_rtc_ops = { +static const struct rtc_class_ops dc_rtc_ops = { .read_time = dc_rtc_read_time, .set_mmss = dc_rtc_set_mmss, .read_alarm = dc_rtc_read_alarm, diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index 44f622c..1a61fa5 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -301,7 +301,7 @@ exit: return ret; } -static struct rtc_class_ops mtk_rtc_ops = { +static const struct rtc_class_ops mtk_rtc_ops = { .read_time = mtk_rtc_read_time, .set_time = mtk_rtc_set_time, .read_alarm = mtk_rtc_read_alarm,