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path: root/drivers/pci/hotplug/ibmphp_hpc.c
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Diffstat (limited to 'drivers/pci/hotplug/ibmphp_hpc.c')
-rw-r--r--drivers/pci/hotplug/ibmphp_hpc.c64
1 files changed, 33 insertions, 31 deletions
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index 1a3eb8d3d4c..c3ac98a0a6a 100644
--- a/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/drivers/pci/hotplug/ibmphp_hpc.c
@@ -34,9 +34,11 @@
#include <linux/pci.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
+#include <linux/mutex.h>
+
#include "ibmphp.h"
-static int to_debug = FALSE;
+static int to_debug = 0;
#define debug_polling(fmt, arg...) do { if (to_debug) debug (fmt, arg); } while (0)
//----------------------------------------------------------------------------
@@ -93,15 +95,15 @@ static int to_debug = FALSE;
//----------------------------------------------------------------------------
// macro utilities
//----------------------------------------------------------------------------
-// if bits 20,22,25,26,27,29,30 are OFF return TRUE
-#define HPC_I2CSTATUS_CHECK(s) ((u8)((s & 0x00000A76) ? FALSE : TRUE))
+// if bits 20,22,25,26,27,29,30 are OFF return 1
+#define HPC_I2CSTATUS_CHECK(s) ((u8)((s & 0x00000A76) ? 0 : 1))
//----------------------------------------------------------------------------
// global variables
//----------------------------------------------------------------------------
static int ibmphp_shutdown;
static int tid_poll;
-static struct semaphore sem_hpcaccess; // lock access to HPC
+static struct mutex sem_hpcaccess; // lock access to HPC
static struct semaphore semOperations; // lock all operations and
// access to data structures
static struct semaphore sem_exit; // make sure polling thread goes away
@@ -131,11 +133,11 @@ void __init ibmphp_hpc_initvars (void)
{
debug ("%s - Entry\n", __FUNCTION__);
- init_MUTEX (&sem_hpcaccess);
+ mutex_init(&sem_hpcaccess);
init_MUTEX (&semOperations);
init_MUTEX_LOCKED (&sem_exit);
- to_debug = FALSE;
- ibmphp_shutdown = FALSE;
+ to_debug = 0;
+ ibmphp_shutdown = 0;
tid_poll = 0;
debug ("%s - Exit\n", __FUNCTION__);
@@ -737,21 +739,21 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd)
// check controller is still not working on the command
//--------------------------------------------------------------------
timeout = CMD_COMPLETE_TOUT_SEC;
- done = FALSE;
+ done = 0;
while (!done) {
rc = hpc_wait_ctlr_notworking (HPC_CTLR_WORKING_TOUT, ctlr_ptr, wpg_bbar,
&status);
if (!rc) {
if (NEEDTOCHECK_CMDSTATUS (cmd)) {
if (CTLR_FINISHED (status) == HPC_CTLR_FINISHED_YES)
- done = TRUE;
+ done = 1;
} else
- done = TRUE;
+ done = 1;
}
if (!done) {
msleep(1000);
if (timeout < 1) {
- done = TRUE;
+ done = 1;
err ("%s - Error command complete timeout\n", __FUNCTION__);
rc = -EFAULT;
} else
@@ -778,7 +780,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd)
*---------------------------------------------------------------------*/
static void get_hpc_access (void)
{
- down (&sem_hpcaccess);
+ mutex_lock(&sem_hpcaccess);
}
/*----------------------------------------------------------------------
@@ -786,7 +788,7 @@ static void get_hpc_access (void)
*---------------------------------------------------------------------*/
void free_hpc_access (void)
{
- up (&sem_hpcaccess);
+ mutex_unlock(&sem_hpcaccess);
}
/*----------------------------------------------------------------------
@@ -797,7 +799,7 @@ void free_hpc_access (void)
void ibmphp_lock_operations (void)
{
down (&semOperations);
- to_debug = TRUE;
+ to_debug = 1;
}
/*----------------------------------------------------------------------
@@ -807,7 +809,7 @@ void ibmphp_unlock_operations (void)
{
debug ("%s - Entry\n", __FUNCTION__);
up (&semOperations);
- to_debug = FALSE;
+ to_debug = 0;
debug ("%s - Exit\n", __FUNCTION__);
}
@@ -935,40 +937,40 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
{
u8 status;
int rc = 0;
- u8 disable = FALSE;
- u8 update = FALSE;
+ u8 disable = 0;
+ u8 update = 0;
debug ("process_changeinstatus - Entry pslot[%p], poldslot[%p]\n", pslot, poldslot);
// bit 0 - HPC_SLOT_POWER
if ((pslot->status & 0x01) != (poldslot->status & 0x01))
- update = TRUE;
+ update = 1;
// bit 1 - HPC_SLOT_CONNECT
// ignore
// bit 2 - HPC_SLOT_ATTN
if ((pslot->status & 0x04) != (poldslot->status & 0x04))
- update = TRUE;
+ update = 1;
// bit 3 - HPC_SLOT_PRSNT2
// bit 4 - HPC_SLOT_PRSNT1
if (((pslot->status & 0x08) != (poldslot->status & 0x08))
|| ((pslot->status & 0x10) != (poldslot->status & 0x10)))
- update = TRUE;
+ update = 1;
// bit 5 - HPC_SLOT_PWRGD
if ((pslot->status & 0x20) != (poldslot->status & 0x20))
// OFF -> ON: ignore, ON -> OFF: disable slot
if ((poldslot->status & 0x20) && (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status)))
- disable = TRUE;
+ disable = 1;
// bit 6 - HPC_SLOT_BUS_SPEED
// ignore
// bit 7 - HPC_SLOT_LATCH
if ((pslot->status & 0x80) != (poldslot->status & 0x80)) {
- update = TRUE;
+ update = 1;
// OPEN -> CLOSE
if (pslot->status & 0x80) {
if (SLOT_PWRGD (pslot->status)) {
@@ -977,7 +979,7 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
msleep(1000);
rc = ibmphp_hpc_readslot (pslot, READ_SLOTSTATUS, &status);
if (SLOT_PWRGD (status))
- update = TRUE;
+ update = 1;
else // overwrite power in pslot to OFF
pslot->status &= ~HPC_SLOT_POWER;
}
@@ -985,17 +987,17 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
// CLOSE -> OPEN
else if ((SLOT_PWRGD (poldslot->status) == HPC_SLOT_PWRGD_GOOD)
&& (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status))) {
- disable = TRUE;
+ disable = 1;
}
// else - ignore
}
// bit 4 - HPC_SLOT_BLINK_ATTN
if ((pslot->ext_status & 0x08) != (poldslot->ext_status & 0x08))
- update = TRUE;
+ update = 1;
if (disable) {
debug ("process_changeinstatus - disable slot\n");
- pslot->flag = FALSE;
+ pslot->flag = 0;
rc = ibmphp_do_disable_slot (pslot);
}
@@ -1100,7 +1102,7 @@ void __exit ibmphp_hpc_stop_poll_thread (void)
{
debug ("%s - Entry\n", __FUNCTION__);
- ibmphp_shutdown = TRUE;
+ ibmphp_shutdown = 1;
debug ("before locking operations \n");
ibmphp_lock_operations ();
debug ("after locking operations \n");
@@ -1134,7 +1136,7 @@ static int hpc_wait_ctlr_notworking (int timeout, struct controller *ctlr_ptr, v
u8 * pstatus)
{
int rc = 0;
- u8 done = FALSE;
+ u8 done = 0;
debug_polling ("hpc_wait_ctlr_notworking - Entry timeout[%d]\n", timeout);
@@ -1142,14 +1144,14 @@ static int hpc_wait_ctlr_notworking (int timeout, struct controller *ctlr_ptr, v
*pstatus = ctrl_read (ctlr_ptr, wpg_bbar, WPG_CTLR_INDEX);
if (*pstatus == HPC_ERROR) {
rc = HPC_ERROR;
- done = TRUE;
+ done = 1;
}
if (CTLR_WORKING (*pstatus) == HPC_CTLR_WORKING_NO)
- done = TRUE;
+ done = 1;
if (!done) {
msleep(1000);
if (timeout < 1) {
- done = TRUE;
+ done = 1;
err ("HPCreadslot - Error ctlr timeout\n");
rc = HPC_ERROR;
} else
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 04:00:12 +0000