X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/f911e79d724fdac3af2847cec6383a71e907b00a..bcdf432fa7e61f5992fdc801cedb7a9756835f8b:/lincan/src/pcan_dongle.c

diff --git a/lincan/src/pcan_dongle.c b/lincan/src/pcan_dongle.c
index 6bd3496..ce94186 100644
--- a/lincan/src/pcan_dongle.c
+++ b/lincan/src/pcan_dongle.c
@@ -109,7 +109,7 @@ typedef void (*PARPORT_IRQ_HANLDER)(int, void *, struct pt_regs *);
 
 /****************************************************************************/
 // GLOBALS
-spinlock_t pcan_lock = SPIN_LOCK_UNLOCKED;
+CAN_DEFINE_SPINLOCK(pcan_lock);
 
 /****************************************************************************/
 // LOCALS
@@ -158,14 +158,9 @@ static u8 pcan_dongle_sp_readreg(struct DONGLE_PORT *dng, u8 port) // read a reg
   u16 _PC_ = _PB_ + 1;
   u8  b0, b1 ;
   u8  irqEnable = inb(_PC_) & 0x10; // don't influence irqEnable
-  unsigned long flags;
+  can_spin_irqflags_t flags;
 
-  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-  save_flags(flags);
-  cli();
-  #else
-  spin_lock_irqsave(&pcan_lock, flags);
-  #endif
+  can_spin_lock_irqsave(&pcan_lock, flags);
 
   outb((0x0B ^ 0x0D) | irqEnable, _PC_);
   outb((port & 0x1F) | 0x80,      _PA_);
@@ -175,11 +170,7 @@ static u8 pcan_dongle_sp_readreg(struct DONGLE_PORT *dng, u8 port) // read a reg
   b0=nibble_decode[inb(_PB_)>>3];
   outb((0x0B ^ 0x0D) | irqEnable, _PC_);
 
-  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-  restore_flags(flags);
-  #else
-  spin_unlock_irqrestore(&pcan_lock, flags);
-  #endif
+  can_spin_unlock_irqrestore(&pcan_lock, flags);
 
   return  (b1 << 4) | b0 ;
 }
@@ -189,14 +180,9 @@ static void pcan_dongle_writereg(struct DONGLE_PORT *dng, u8 port, u8 data) // w
   u16 _PA_ = (u16)dng->dwPort;
   u16 _PC_ = _PA_ + 2;
   u8  irqEnable = inb(_PC_) & 0x10; // don't influence irqEnable
-  unsigned long flags;
+  can_spin_irqflags_t flags;
 
-  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-  save_flags(flags);
-  cli();
-  #else
-  spin_lock_irqsave(&pcan_lock, flags);
-  #endif
+  can_spin_lock_irqsave(&pcan_lock, flags);
 
   outb((0x0B ^ 0x0D) | irqEnable, _PC_);
   outb(port & 0x1F,               _PA_);
@@ -204,11 +190,7 @@ static void pcan_dongle_writereg(struct DONGLE_PORT *dng, u8 port, u8 data) // w
   outb(data,                      _PA_);
   outb((0x0B ^ 0x0D) | irqEnable, _PC_);
 
-  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-  restore_flags(flags);
-  #else
-  spin_unlock_irqrestore(&pcan_lock, flags);
-  #endif
+  can_spin_unlock_irqrestore(&pcan_lock, flags);
 }
 
 // functions for EPP port
@@ -218,14 +200,9 @@ static u8 pcan_dongle_epp_readreg(struct DONGLE_PORT *dng, u8 port) // read a re
   u16 _PC_ = _PA_ + 2;
   u8  wert;
   u8  irqEnable = inb(_PC_) & 0x10; // don't influence irqEnable
-  unsigned long flags;
+  can_spin_irqflags_t flags;
 
-  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-  save_flags(flags);
-  cli();
-  #else
-  spin_lock_irqsave(&pcan_lock, flags);
-  #endif
+  can_spin_lock_irqsave(&pcan_lock, flags);
 
   outb((0x0B ^ 0x0F) | irqEnable, _PC_);
   outb((port & 0x1F) | 0x80,      _PA_);
@@ -233,11 +210,7 @@ static u8 pcan_dongle_epp_readreg(struct DONGLE_PORT *dng, u8 port) // read a re
   wert = inb(_PA_);
   outb((0x0B ^ 0x0F) | irqEnable, _PC_);
 
-  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-  restore_flags(flags);
-  #else
-  spin_unlock_irqrestore(&pcan_lock, flags);
-  #endif
+  can_spin_unlock_irqrestore(&pcan_lock, flags);
 
   return wert;
 }