aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi
diff options
context:
space:
mode:
authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-12-07 15:48:15 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-12-07 15:48:15 -0500
commit34161db6b14d984fb9b06c735b7b42f8803f6851 (patch)
tree99656278b6697f1cde5b05894b7c0ee22c63a00e /drivers/acpi
parent5847e1f4d058677c5e46dc6c3e3c70e8855ea3ba (diff)
parent620034c84d1d939717bdfbe02c51a3fee43541c3 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus
Conflicts: include/linux/sunrpc/xprt.h net/sunrpc/xprtsock.c Fix up conflicts with the workqueue changes.
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/osl.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 068fe4f100b0..02b30ae6a68e 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -50,6 +50,7 @@ ACPI_MODULE_NAME("osl")
50struct acpi_os_dpc { 50struct acpi_os_dpc {
51 acpi_osd_exec_callback function; 51 acpi_osd_exec_callback function;
52 void *context; 52 void *context;
53 struct work_struct work;
53}; 54};
54 55
55#ifdef CONFIG_ACPI_CUSTOM_DSDT 56#ifdef CONFIG_ACPI_CUSTOM_DSDT
@@ -564,12 +565,9 @@ void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */
564 acpi_os_derive_pci_id_2(rhandle, chandle, id, &is_bridge, &bus_number); 565 acpi_os_derive_pci_id_2(rhandle, chandle, id, &is_bridge, &bus_number);
565} 566}
566 567
567static void acpi_os_execute_deferred(void *context) 568static void acpi_os_execute_deferred(struct work_struct *work)
568{ 569{
569 struct acpi_os_dpc *dpc = NULL; 570 struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
570
571
572 dpc = (struct acpi_os_dpc *)context;
573 if (!dpc) { 571 if (!dpc) {
574 printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); 572 printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
575 return; 573 return;
@@ -602,7 +600,6 @@ acpi_status acpi_os_execute(acpi_execute_type type,
602{ 600{
603 acpi_status status = AE_OK; 601 acpi_status status = AE_OK;
604 struct acpi_os_dpc *dpc; 602 struct acpi_os_dpc *dpc;
605 struct work_struct *task;
606 603
607 ACPI_FUNCTION_TRACE("os_queue_for_execution"); 604 ACPI_FUNCTION_TRACE("os_queue_for_execution");
608 605
@@ -615,28 +612,22 @@ acpi_status acpi_os_execute(acpi_execute_type type,
615 612
616 /* 613 /*
617 * Allocate/initialize DPC structure. Note that this memory will be 614 * Allocate/initialize DPC structure. Note that this memory will be
618 * freed by the callee. The kernel handles the tq_struct list in a 615 * freed by the callee. The kernel handles the work_struct list in a
619 * way that allows us to also free its memory inside the callee. 616 * way that allows us to also free its memory inside the callee.
620 * Because we may want to schedule several tasks with different 617 * Because we may want to schedule several tasks with different
621 * parameters we can't use the approach some kernel code uses of 618 * parameters we can't use the approach some kernel code uses of
622 * having a static tq_struct. 619 * having a static work_struct.
623 * We can save time and code by allocating the DPC and tq_structs
624 * from the same memory.
625 */ 620 */
626 621
627 dpc = 622 dpc = kmalloc(sizeof(struct acpi_os_dpc), GFP_ATOMIC);
628 kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct),
629 GFP_ATOMIC);
630 if (!dpc) 623 if (!dpc)
631 return_ACPI_STATUS(AE_NO_MEMORY); 624 return_ACPI_STATUS(AE_NO_MEMORY);
632 625
633 dpc->function = function; 626 dpc->function = function;
634 dpc->context = context; 627 dpc->context = context;
635 628
636 task = (void *)(dpc + 1); 629 INIT_WORK(&dpc->work, acpi_os_execute_deferred);
637 INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc); 630 if (!queue_work(kacpid_wq, &dpc->work)) {
638
639 if (!queue_work(kacpid_wq, task)) {
640 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 631 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
641 "Call to queue_work() failed.\n")); 632 "Call to queue_work() failed.\n"));
642 kfree(dpc); 633 kfree(dpc);