diff options
Diffstat (limited to 'target/linux/coldfire/patches/046-Convert-rtc-drivers-to-use-the-alarm_irq_enable-meth.patch')
| -rw-r--r-- | target/linux/coldfire/patches/046-Convert-rtc-drivers-to-use-the-alarm_irq_enable-meth.patch | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/046-Convert-rtc-drivers-to-use-the-alarm_irq_enable-meth.patch b/target/linux/coldfire/patches/046-Convert-rtc-drivers-to-use-the-alarm_irq_enable-meth.patch new file mode 100644 index 0000000..e1c346c --- /dev/null +++ b/target/linux/coldfire/patches/046-Convert-rtc-drivers-to-use-the-alarm_irq_enable-meth.patch @@ -0,0 +1,109 @@ +From ab2284cd4730b9ea29937ee3a0ef1bcdc6b3159d Mon Sep 17 00:00:00 2001 +From: Alison Wang <b18965@freescale.com> +Date: Thu, 4 Aug 2011 09:59:54 +0800 +Subject: [PATCH 46/52] Convert rtc drivers to use the alarm_irq_enable method + +Old rtc drivers use the ioctl method instead of the alarm_irq_enable +method for enabling alarm interupts. With the new virtualized RTC +rework, its important for drivers to use the alarm_irq_enable instead. + +This patch converts the drivers that use the AIE ioctl method to +use the alarm_irq_enable method. + +Signed-off-by: Alison Wang <b18965@freescale.com> +--- + drivers/rtc/rtc-m5441x.c | 22 +++++++++++----------- + drivers/rtc/rtc-mcf.c | 23 +++++++++++------------ + 2 files changed, 22 insertions(+), 23 deletions(-) + +--- a/drivers/rtc/rtc-m5441x.c ++++ b/drivers/rtc/rtc-m5441x.c +@@ -400,17 +400,6 @@ static int mcf_rtc_ioctl(struct device * + writew((readw(MCF_RTC_IER) | PIE_BIT_DEF[i][1]), MCF_RTC_IER); + spin_unlock_irq(&rtc_lock); + return 0; +- case RTC_AIE_OFF: +- spin_lock_irq(&rtc_lock); +- writew((readw(MCF_RTC_IER) & ~MCF_RTC_ISR_ALM), MCF_RTC_IER); +- spin_unlock_irq(&rtc_lock); +- return 0; +- +- case RTC_AIE_ON: +- spin_lock_irq(&rtc_lock); +- writew((readw(MCF_RTC_IER) | MCF_RTC_ISR_ALM), MCF_RTC_IER); +- spin_unlock_irq(&rtc_lock); +- return 0; + + case RTC_UIE_OFF: /* UIE is for the 1Hz interrupt */ + spin_lock_irq(&rtc_lock); +@@ -427,6 +416,16 @@ static int mcf_rtc_ioctl(struct device * + return -ENOIOCTLCMD; + } + ++static int mcf_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) ++{ ++ if (enabled) ++ writew((readw(MCF_RTC_IER) | MCF_RTC_ISR_ALM), MCF_RTC_IER); ++ else ++ writew((readw(MCF_RTC_IER) & ~MCF_RTC_ISR_ALM), MCF_RTC_IER); ++ ++ return 0; ++} ++ + /*! + * This function reads the current RTC time into tm in Gregorian date. + * +@@ -534,6 +533,7 @@ static struct rtc_class_ops mcf_rtc_ops + .set_time = mcf_rtc_set_time, + .read_alarm = mcf_rtc_read_alarm, + .set_alarm = mcf_rtc_set_alarm, ++ .alarm_irq_enable = mcf_rtc_alarm_irq_enable, + }; + + static int __devinit mcf_rtc_probe(struct platform_device *pdev) +--- a/drivers/rtc/rtc-mcf.c ++++ b/drivers/rtc/rtc-mcf.c +@@ -298,18 +298,6 @@ static int mcf_rtc_ioctl(struct device * + writel((readl(MCF_RTC_IER) | PIE_BIT_DEF[i][1]), MCF_RTC_IER); + spin_unlock_irq(&rtc_lock); + return 0; +- case RTC_AIE_OFF: +- spin_lock_irq(&rtc_lock); +- writel((readl(MCF_RTC_IER) & ~MCF_RTC_ISR_ALM), MCF_RTC_IER); +- spin_unlock_irq(&rtc_lock); +- return 0; +- +- case RTC_AIE_ON: +- spin_lock_irq(&rtc_lock); +- writel((readl(MCF_RTC_IER) | MCF_RTC_ISR_ALM), MCF_RTC_IER); +- spin_unlock_irq(&rtc_lock); +- return 0; +- + case RTC_UIE_OFF: /* UIE is for the 1Hz interrupt */ + spin_lock_irq(&rtc_lock); + writel((readl(MCF_RTC_IER) & ~MCF_RTC_ISR_1HZ), MCF_RTC_IER); +@@ -325,6 +313,16 @@ static int mcf_rtc_ioctl(struct device * + return -ENOIOCTLCMD; + } + ++static int mcf_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) ++{ ++ if (enabled) ++ writel((readl(MCF_RTC_IER) | MCF_RTC_ISR_ALM), MCF_RTC_IER); ++ else ++ writel((readl(MCF_RTC_IER) & ~MCF_RTC_ISR_ALM), MCF_RTC_IER); ++ ++ return 0; ++} ++ + /*! + * This function reads the current RTC time into tm in Gregorian date. + * +@@ -466,6 +464,7 @@ static struct rtc_class_ops mcf_rtc_ops + .read_alarm = mcf_rtc_read_alarm, + .set_alarm = mcf_rtc_set_alarm, + .proc = mcf_rtc_proc, ++ .alarm_irq_enable = mcf_rtc_alarm_irq_enable, + }; + + static int __devinit mcf_rtc_probe(struct platform_device *pdev) |