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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 17:58:08 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 17:58:08 -0700 |
commit | 489de30259e667d7bc47da9da44a0270b050cd97 (patch) | |
tree | 6807814f443fe2c5d041c3bc3fe3ca8d22a955ca /arch/powerpc/platforms/powermac/low_i2c.c | |
parent | 1f1c2881f673671539b25686df463518d69c4649 (diff) | |
parent | bf22f6fe2d72b4d7e9035be8ceb340414cf490e3 (diff) |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (209 commits)
[POWERPC] Create add_rtc() function to enable the RTC CMOS driver
[POWERPC] Add H_ILLAN_ATTRIBUTES hcall number
[POWERPC] xilinxfb: Parameterize xilinxfb platform device registration
[POWERPC] Oprofile support for Power 5++
[POWERPC] Enable arbitary speed tty ioctls and split input/output speed
[POWERPC] Make drivers/char/hvc_console.c:khvcd() static
[POWERPC] Remove dead code for preventing pread() and pwrite() calls
[POWERPC] Remove unnecessary #undef printk from prom.c
[POWERPC] Fix typo in Ebony default DTS
[POWERPC] Check for NULL ppc_md.init_IRQ() before calling
[POWERPC] Remove extra return statement
[POWERPC] pasemi: Don't auto-select CONFIG_EMBEDDED
[POWERPC] pasemi: Rename platform
[POWERPC] arch/powerpc/kernel/sysfs.c: Move NUMA exports
[POWERPC] Add __read_mostly support for powerpc
[POWERPC] Modify sched_clock() to make CONFIG_PRINTK_TIME more sane
[POWERPC] Create a dummy zImage if no valid platform has been selected
[POWERPC] PS3: Bootwrapper support.
[POWERPC] powermac i2c: Use mutex
[POWERPC] Schedule removal of arch/ppc
...
Fixed up conflicts manually in:
Documentation/feature-removal-schedule.txt
arch/powerpc/kernel/pci_32.c
arch/powerpc/kernel/pci_64.c
include/asm-powerpc/pci.h
and asked the powerpc people to double-check the result..
Diffstat (limited to 'arch/powerpc/platforms/powermac/low_i2c.c')
-rw-r--r-- | arch/powerpc/platforms/powermac/low_i2c.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 3f507ab9c5e..efdf5eb81ec 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -42,6 +42,7 @@ #include <linux/interrupt.h> #include <linux/completion.h> #include <linux/timer.h> +#include <linux/mutex.h> #include <asm/keylargo.h> #include <asm/uninorth.h> #include <asm/io.h> @@ -84,7 +85,7 @@ struct pmac_i2c_bus void *hostdata; int channel; /* some hosts have multiple */ int mode; /* current mode */ - struct semaphore sem; + struct mutex mutex; int opened; int polled; /* open mode */ struct platform_device *platform_dev; @@ -104,7 +105,7 @@ static LIST_HEAD(pmac_i2c_busses); struct pmac_i2c_host_kw { - struct semaphore mutex; /* Access mutex for use by + struct mutex mutex; /* Access mutex for use by * i2c-keywest */ void __iomem *base; /* register base address */ int bsteps; /* register stepping */ @@ -375,14 +376,14 @@ static void kw_i2c_timeout(unsigned long data) static int kw_i2c_open(struct pmac_i2c_bus *bus) { struct pmac_i2c_host_kw *host = bus->hostdata; - down(&host->mutex); + mutex_lock(&host->mutex); return 0; } static void kw_i2c_close(struct pmac_i2c_bus *bus) { struct pmac_i2c_host_kw *host = bus->hostdata; - up(&host->mutex); + mutex_unlock(&host->mutex); } static int kw_i2c_xfer(struct pmac_i2c_bus *bus, u8 addrdir, int subsize, @@ -498,7 +499,7 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np) kfree(host); return NULL; } - init_MUTEX(&host->mutex); + mutex_init(&host->mutex); init_completion(&host->complete); spin_lock_init(&host->lock); init_timer(&host->timeout_timer); @@ -571,7 +572,7 @@ static void __init kw_i2c_add(struct pmac_i2c_host_kw *host, bus->open = kw_i2c_open; bus->close = kw_i2c_close; bus->xfer = kw_i2c_xfer; - init_MUTEX(&bus->sem); + mutex_init(&bus->mutex); if (controller == busnode) bus->flags = pmac_i2c_multibus; list_add(&bus->link, &pmac_i2c_busses); @@ -798,7 +799,7 @@ static void __init pmu_i2c_probe(void) bus->mode = pmac_i2c_mode_std; bus->hostdata = bus + 1; bus->xfer = pmu_i2c_xfer; - init_MUTEX(&bus->sem); + mutex_init(&bus->mutex); bus->flags = pmac_i2c_multibus; list_add(&bus->link, &pmac_i2c_busses); @@ -921,7 +922,7 @@ static void __init smu_i2c_probe(void) bus->mode = pmac_i2c_mode_std; bus->hostdata = bus + 1; bus->xfer = smu_i2c_xfer; - init_MUTEX(&bus->sem); + mutex_init(&bus->mutex); bus->flags = 0; list_add(&bus->link, &pmac_i2c_busses); @@ -1093,13 +1094,13 @@ int pmac_i2c_open(struct pmac_i2c_bus *bus, int polled) { int rc; - down(&bus->sem); + mutex_lock(&bus->mutex); bus->polled = polled || pmac_i2c_force_poll; bus->opened = 1; bus->mode = pmac_i2c_mode_std; if (bus->open && (rc = bus->open(bus)) != 0) { bus->opened = 0; - up(&bus->sem); + mutex_unlock(&bus->mutex); return rc; } return 0; @@ -1112,7 +1113,7 @@ void pmac_i2c_close(struct pmac_i2c_bus *bus) if (bus->close) bus->close(bus); bus->opened = 0; - up(&bus->sem); + mutex_unlock(&bus->mutex); } EXPORT_SYMBOL_GPL(pmac_i2c_close); |