The patch titled
QLogic InfiniPath: convert ipath_eep_sem to mutex
has been added to the -mm tree. Its filename is
qlogic-infinipath-convert-ipath_eep_sem-to-mutex.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: QLogic InfiniPath: convert ipath_eep_sem to mutex
From: Matthias Kaehlcke <[EMAIL PROTECTED]>
QLogic InfiniPath: convert the semaphore ipath_eep_sem to the mutex
API
Signed-off-by: Matthias Kaehlcke <[EMAIL PROTECTED]>
Cc: Roland Dreier <[EMAIL PROTECTED]>
Acked-by: Michael Albaugh <[EMAIL PROTECTED]>
Tested-by: Arthur Jones <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/ipath/ipath_eeprom.c | 20 ++++++++--------
drivers/infiniband/hw/ipath/ipath_init_chip.c | 2 -
drivers/infiniband/hw/ipath/ipath_kernel.h | 3 +-
3 files changed, 13 insertions(+), 12 deletions(-)
diff -puN
drivers/infiniband/hw/ipath/ipath_eeprom.c~qlogic-infinipath-convert-ipath_eep_sem-to-mutex
drivers/infiniband/hw/ipath/ipath_eeprom.c
---
a/drivers/infiniband/hw/ipath/ipath_eeprom.c~qlogic-infinipath-convert-ipath_eep_sem-to-mutex
+++ a/drivers/infiniband/hw/ipath/ipath_eeprom.c
@@ -510,10 +510,10 @@ int ipath_eeprom_read(struct ipath_devda
{
int ret;
- ret = down_interruptible(&dd->ipath_eep_sem);
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
if (!ret) {
ret = ipath_eeprom_internal_read(dd, eeprom_offset, buff, len);
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
}
return ret;
@@ -524,10 +524,10 @@ int ipath_eeprom_write(struct ipath_devd
{
int ret;
- ret = down_interruptible(&dd->ipath_eep_sem);
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
if (!ret) {
ret = ipath_eeprom_internal_write(dd, eeprom_offset, buff, len);
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
}
return ret;
@@ -616,9 +616,9 @@ void ipath_get_eeprom_info(struct ipath_
goto bail;
}
- down(&dd->ipath_eep_sem);
+ mutex_lock(&dd->ipath_eep_lock);
eep_stat = ipath_eeprom_internal_read(dd, 0, buf, len);
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
if (eep_stat) {
ipath_dev_err(dd, "Failed reading GUID from eeprom\n");
@@ -764,14 +764,14 @@ int ipath_update_eeprom_log(struct ipath
/* Grab semaphore and read current EEPROM. If we get an
* error, let go, but if not, keep it until we finish write.
*/
- ret = down_interruptible(&dd->ipath_eep_sem);
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
if (ret) {
ipath_dev_err(dd, "Unable to acquire EEPROM for logging\n");
goto free_bail;
}
ret = ipath_eeprom_internal_read(dd, 0, buf, len);
if (ret) {
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
ipath_dev_err(dd, "Unable read EEPROM for logging\n");
goto free_bail;
}
@@ -779,7 +779,7 @@ int ipath_update_eeprom_log(struct ipath
csum = flash_csum(ifp, 0);
if (csum != ifp->if_csum) {
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
ipath_dev_err(dd, "EEPROM cks err (0x%02X, S/B 0x%02X)\n",
csum, ifp->if_csum);
ret = 1;
@@ -849,7 +849,7 @@ int ipath_update_eeprom_log(struct ipath
csum = flash_csum(ifp, 1);
ret = ipath_eeprom_internal_write(dd, 0, buf, hi_water + 1);
}
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
if (ret)
ipath_dev_err(dd, "Failed updating EEPROM\n");
diff -puN
drivers/infiniband/hw/ipath/ipath_init_chip.c~qlogic-infinipath-convert-ipath_eep_sem-to-mutex
drivers/infiniband/hw/ipath/ipath_init_chip.c
---
a/drivers/infiniband/hw/ipath/ipath_init_chip.c~qlogic-infinipath-convert-ipath_eep_sem-to-mutex
+++ a/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -348,7 +348,7 @@ static int init_chip_first(struct ipath_
spin_lock_init(&dd->ipath_gpio_lock);
spin_lock_init(&dd->ipath_eep_st_lock);
- sema_init(&dd->ipath_eep_sem, 1);
+ mutex_init(&dd->ipath_eep_lock);
done:
*pdp = pd;
diff -puN
drivers/infiniband/hw/ipath/ipath_kernel.h~qlogic-infinipath-convert-ipath_eep_sem-to-mutex
drivers/infiniband/hw/ipath/ipath_kernel.h
---
a/drivers/infiniband/hw/ipath/ipath_kernel.h~qlogic-infinipath-convert-ipath_eep_sem-to-mutex
+++ a/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -41,6 +41,7 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <rdma/ib_verbs.h>
@@ -616,7 +617,7 @@ struct ipath_devdata {
/* control access to actual counters, timer */
spinlock_t ipath_eep_st_lock;
/* control high-level access to EEPROM */
- struct semaphore ipath_eep_sem;
+ struct mutex ipath_eep_lock;
/* Below inc'd by ipath_snap_cntrs(), locked by ipath_eep_st_lock */
uint64_t ipath_traffic_wds;
/* active time is kept in seconds, but logged in hours */
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
origin.patch
git-dvb.patch
qlogic-infinipath-convert-ipath_eep_sem-to-mutex.patch
git-netdev-all.patch
megaraid-sas-convert-aen_mutex-to-the-mutex-api.patch
parallel-port-convert-port_mutex-to-the-mutex-api.patch
parallel-port-convert-port_mutex-to-the-mutex-api-checkpatch-fixes.patch
mbcs-convert-algolock-to-mutex.patch
mbcs-convert-dmawritelock-to-mutex.patch
mbcs-convert-dmareadlock-to-mutex.patch
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