[Xenomai-git] Jorge Ramirez-Ortiz : drivers/analogy: remove unnecessary lock

2014-10-30 Thread git repository hosting 
Module: xenomai-3
Branch: master
Commit: b82b83556b147741c31187595412ba203de1fcf3
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=b82b83556b147741c31187595412ba203de1fcf3

Author: Jorge Ramirez-Ortiz j...@xenomai.org
Date:   Thu Aug 14 13:41:50 2014 -0400

drivers/analogy: remove unnecessary lock

---

 kernel/drivers/analogy/transfer.c |   13 ++---
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/kernel/drivers/analogy/transfer.c 
b/kernel/drivers/analogy/transfer.c
index 2594f00..bf19c8c 100644
--- a/kernel/drivers/analogy/transfer.c
+++ b/kernel/drivers/analogy/transfer.c
@@ -154,26 +154,17 @@ int a4l_request_irq(struct a4l_device * dev,
unsigned long flags, void *cookie)
 {
int ret;
-   unsigned long __flags;
 
if (dev-transfer.irq_desc.irq != A4L_IRQ_UNUSED)
return -EBUSY;
 
-   /* A spinlock is used so as to prevent race conditions
-  on the field irq of the IRQ descriptor
-  (even if such a case is bound not to happen) */
-   rtdm_lock_get_irqsave(dev-lock, __flags);
-
-   ret = __a4l_request_irq(dev-transfer.irq_desc,
-   irq, handler, flags, cookie);
-
+   ret = __a4l_request_irq(dev-transfer.irq_desc, irq, handler, flags,
+   cookie);
if (ret != 0) {
__a4l_err(a4l_request_irq: IRQ registration failed\n);
dev-transfer.irq_desc.irq = A4L_IRQ_UNUSED;
}
 
-   rtdm_lock_put_irqrestore(dev-lock, __flags);
-
return ret;
 }
 


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[Xenomai-git] Jorge Ramirez-Ortiz : drivers/analogy: remove unnecessary lock

2014-10-27 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: b82b83556b147741c31187595412ba203de1fcf3
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=b82b83556b147741c31187595412ba203de1fcf3

Author: Jorge Ramirez-Ortiz j...@xenomai.org
Date:   Thu Aug 14 13:41:50 2014 -0400

drivers/analogy: remove unnecessary lock

---

 kernel/drivers/analogy/transfer.c |   13 ++---
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/kernel/drivers/analogy/transfer.c 
b/kernel/drivers/analogy/transfer.c
index 2594f00..bf19c8c 100644
--- a/kernel/drivers/analogy/transfer.c
+++ b/kernel/drivers/analogy/transfer.c
@@ -154,26 +154,17 @@ int a4l_request_irq(struct a4l_device * dev,
unsigned long flags, void *cookie)
 {
int ret;
-   unsigned long __flags;
 
if (dev-transfer.irq_desc.irq != A4L_IRQ_UNUSED)
return -EBUSY;
 
-   /* A spinlock is used so as to prevent race conditions
-  on the field irq of the IRQ descriptor
-  (even if such a case is bound not to happen) */
-   rtdm_lock_get_irqsave(dev-lock, __flags);
-
-   ret = __a4l_request_irq(dev-transfer.irq_desc,
-   irq, handler, flags, cookie);
-
+   ret = __a4l_request_irq(dev-transfer.irq_desc, irq, handler, flags,
+   cookie);
if (ret != 0) {
__a4l_err(a4l_request_irq: IRQ registration failed\n);
dev-transfer.irq_desc.irq = A4L_IRQ_UNUSED;
}
 
-   rtdm_lock_put_irqrestore(dev-lock, __flags);
-
return ret;
 }
 


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[Xenomai-git] Jorge Ramirez-Ortiz : drivers/analogy: remove unnecessary lock

2014-10-25 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 8f594b229925a96ddeb65e662bbf86fb8ba0849d
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=8f594b229925a96ddeb65e662bbf86fb8ba0849d

Author: Jorge Ramirez-Ortiz j...@xenomai.org
Date:   Thu Aug 14 13:41:50 2014 -0400

drivers/analogy: remove unnecessary lock

---

 kernel/drivers/analogy/transfer.c |   13 ++---
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/kernel/drivers/analogy/transfer.c 
b/kernel/drivers/analogy/transfer.c
index 2594f00..bf19c8c 100644
--- a/kernel/drivers/analogy/transfer.c
+++ b/kernel/drivers/analogy/transfer.c
@@ -154,26 +154,17 @@ int a4l_request_irq(struct a4l_device * dev,
unsigned long flags, void *cookie)
 {
int ret;
-   unsigned long __flags;
 
if (dev-transfer.irq_desc.irq != A4L_IRQ_UNUSED)
return -EBUSY;
 
-   /* A spinlock is used so as to prevent race conditions
-  on the field irq of the IRQ descriptor
-  (even if such a case is bound not to happen) */
-   rtdm_lock_get_irqsave(dev-lock, __flags);
-
-   ret = __a4l_request_irq(dev-transfer.irq_desc,
-   irq, handler, flags, cookie);
-
+   ret = __a4l_request_irq(dev-transfer.irq_desc, irq, handler, flags,
+   cookie);
if (ret != 0) {
__a4l_err(a4l_request_irq: IRQ registration failed\n);
dev-transfer.irq_desc.irq = A4L_IRQ_UNUSED;
}
 
-   rtdm_lock_put_irqrestore(dev-lock, __flags);
-
return ret;
 }
 


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[Xenomai-git] Jorge Ramirez-Ortiz : drivers/analogy: remove unnecessary lock

2014-10-17 Thread git repository hosting 
Module: xenomai-3
Branch: next
Commit: 2ca61faf85858e17221a6f5b0558116fe6896080
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=2ca61faf85858e17221a6f5b0558116fe6896080

Author: Jorge Ramirez-Ortiz j...@xenomai.org
Date:   Thu Aug 14 13:41:50 2014 -0400

drivers/analogy: remove unnecessary lock

---

 kernel/drivers/analogy/transfer.c |   13 ++---
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/kernel/drivers/analogy/transfer.c 
b/kernel/drivers/analogy/transfer.c
index 2594f00..bf19c8c 100644
--- a/kernel/drivers/analogy/transfer.c
+++ b/kernel/drivers/analogy/transfer.c
@@ -154,26 +154,17 @@ int a4l_request_irq(struct a4l_device * dev,
unsigned long flags, void *cookie)
 {
int ret;
-   unsigned long __flags;
 
if (dev-transfer.irq_desc.irq != A4L_IRQ_UNUSED)
return -EBUSY;
 
-   /* A spinlock is used so as to prevent race conditions
-  on the field irq of the IRQ descriptor
-  (even if such a case is bound not to happen) */
-   rtdm_lock_get_irqsave(dev-lock, __flags);
-
-   ret = __a4l_request_irq(dev-transfer.irq_desc,
-   irq, handler, flags, cookie);
-
+   ret = __a4l_request_irq(dev-transfer.irq_desc, irq, handler, flags,
+   cookie);
if (ret != 0) {
__a4l_err(a4l_request_irq: IRQ registration failed\n);
dev-transfer.irq_desc.irq = A4L_IRQ_UNUSED;
}
 
-   rtdm_lock_put_irqrestore(dev-lock, __flags);
-
return ret;
 }
 


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