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Message-Id: <1316597339-29861-29-git-send-email-yong.zhang0@gmail.com>
Date: Wed, 21 Sep 2011 17:28:29 +0800
From: Yong Zhang <yong.zhang0@...il.com>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: tglx@...utronix.de, yong.zhang0@...il.com,
Clemens Ladisch <clemens@...isch.de>,
Corey Minyard <minyard@....org>,
Mark Gross <mark.gross@...el.com>,
Arnd Bergmann <arnd@...db.de>,
Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
Jiri Kosina <jkosina@...e.cz>,
Christian Dietrich
<christian.dietrich@...ormatik.uni-erlangen.de>,
openipmi-developer@...ts.sourceforge.net
Subject: [PATCH 28/57] driver/char: irq: Remove IRQF_DISABLED
Since commit [c58543c8: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).
So now this flag is a NOOP and can be removed.
Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
Acked-by: Clemens Ladisch <clemens@...isch.de>
Acked-by: Corey Minyard <cminyard@...sta.com>
Acked-by: Arnd Bergmann <arnd@...db.de>
---
drivers/char/hpet.c | 2 +-
drivers/char/ipmi/ipmi_si_intf.c | 4 ++--
drivers/char/nwbutton.c | 2 +-
drivers/char/rtc.c | 4 ++--
drivers/char/snsc.c | 2 +-
drivers/char/snsc_event.c | 2 +-
drivers/char/tlclk.c | 2 +-
7 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index c9aeb7f..2a2ecac 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -532,7 +532,7 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp)
sprintf(devp->hd_name, "hpet%d", (int)(devp - hpetp->hp_dev));
irq_flags = devp->hd_flags & HPET_SHARED_IRQ
- ? IRQF_SHARED : IRQF_DISABLED;
+ ? IRQF_SHARED : 0;
if (request_irq(irq, hpet_interrupt, irq_flags,
devp->hd_name, (void *)devp)) {
printk(KERN_ERR "hpet: IRQ %d is not free\n", irq);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 9397ab4..44e8da3 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1336,7 +1336,7 @@ static int std_irq_setup(struct smi_info *info)
if (info->si_type == SI_BT) {
rv = request_irq(info->irq,
si_bt_irq_handler,
- IRQF_SHARED | IRQF_DISABLED,
+ IRQF_SHARED,
DEVICE_NAME,
info);
if (!rv)
@@ -1346,7 +1346,7 @@ static int std_irq_setup(struct smi_info *info)
} else
rv = request_irq(info->irq,
si_irq_handler,
- IRQF_SHARED | IRQF_DISABLED,
+ IRQF_SHARED,
DEVICE_NAME,
info);
if (rv) {
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index 04a480f..36aaf43 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -220,7 +220,7 @@ static int __init nwbutton_init(void)
return -EBUSY;
}
- if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, IRQF_DISABLED,
+ if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, 0,
"nwbutton", NULL)) {
printk (KERN_WARNING "nwbutton: IRQ %d is not free.\n",
IRQ_NETWINDER_BUTTON);
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index ccd124a..d1478cd 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -228,7 +228,7 @@ static inline unsigned char rtc_is_updating(void)
#ifdef RTC_IRQ
/*
- * A very tiny interrupt handler. It runs with IRQF_DISABLED set,
+ * A very tiny interrupt handler. It runs with irqs disabled,
* but there is possibility of conflicting with the set_rtc_mmss()
* call (the rtc irq and the timer irq can easily run at the same
* time in two different CPUs). So we need to serialize
@@ -1041,7 +1041,7 @@ no_irq:
rtc_int_handler_ptr = rtc_interrupt;
}
- if (request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED,
+ if (request_irq(RTC_IRQ, rtc_int_handler_ptr, 0,
"rtc", NULL)) {
/* Yeah right, seeing as irq 8 doesn't even hit the bus. */
rtc_has_irq = 0;
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index 5816b39..d3464ef 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -108,7 +108,7 @@ scdrv_open(struct inode *inode, struct file *file)
/* hook this subchannel up to the system controller interrupt */
mutex_lock(&scdrv_mutex);
rv = request_irq(SGI_UART_VECTOR, scdrv_interrupt,
- IRQF_SHARED | IRQF_DISABLED,
+ IRQF_SHARED,
SYSCTL_BASENAME, sd);
if (rv) {
ia64_sn_irtr_close(sd->sd_nasid, sd->sd_subch);
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index ee15694..a35978c 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -292,7 +292,7 @@ scdrv_event_init(struct sysctl_data_s *scd)
/* hook event subchannel up to the system controller interrupt */
rv = request_irq(SGI_UART_VECTOR, scdrv_event_interrupt,
- IRQF_SHARED | IRQF_DISABLED,
+ IRQF_SHARED,
"system controller events", event_sd);
if (rv) {
printk(KERN_WARNING "%s: irq request failed (%d)\n",
diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 0c964cd..771e48e 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -222,7 +222,7 @@ static int tlclk_open(struct inode *inode, struct file *filp)
/* This device is wired through the FPGA IO space of the ATCA blade
* we can't share this IRQ */
result = request_irq(telclk_interrupt, &tlclk_interrupt,
- IRQF_DISABLED, "telco_clock", tlclk_interrupt);
+ 0, "telco_clock", tlclk_interrupt);
if (result == -EBUSY)
printk(KERN_ERR "tlclk: Interrupt can't be reserved.\n");
else
--
1.7.4.1
--
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