Merge ../linux-2.6/

5 files changed, 44 insertions, 46 deletions

diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h
index 018e2e46082b..8b70edcb80dc 100644
--- a/include/asm-sparc64/irq.h
+++ b/include/asm-sparc64/irq.h
@@ -16,6 +16,18 @@
 #include <asm/pil.h>
 #include <asm/ptrace.h>
 
+struct ino_bucket;
+
+#define MAX_IRQ_DESC_ACTION     4
+
+struct irq_desc {
+        void                    (*pre_handler)(struct ino_bucket *, void *, void *);
+        void                    *pre_handler_arg1;
+        void                    *pre_handler_arg2;
+        u32                     action_active_mask;
+        struct irqaction        action[MAX_IRQ_DESC_ACTION];
+};
+
 /* You should not mess with this directly. That's the job of irq.c.
  *
  * If you make changes here, please update hand coded assembler of
@@ -42,24 +54,11 @@ struct ino_bucket {
         /* Miscellaneous flags. */
 /*0x06*/unsigned char flags;
 
-        /* This is used to deal with IBF_DMA_SYNC on
-         * Sabre systems.
-         */
-/*0x07*/unsigned char synctab_ent;
-
-        /* Reference to handler for this IRQ.  If this is
-         * non-NULL this means it is active and should be
-         * serviced.  Else the pending member is set to one
-         * and later registry of the interrupt checks for
-         * this condition.
-         *
-         * Normally this is just an irq_action structure.
-         * But, on PCI, if multiple interrupt sources behind
-         * a bridge have multiple interrupt sources that share
-         * the same INO bucket, this points to an array of
-         * pointers to four IRQ action structures.
-         */
-/*0x08*/void *irq_info;
+        /* Currently unused.  */
+/*0x07*/unsigned char __pad;
+
+        /* Reference to IRQ descriptor for this bucket. */
+/*0x08*/struct irq_desc *irq_info;
 
         /* Sun5 Interrupt Clear Register. */
 /*0x10*/unsigned long iclr;
@@ -69,12 +68,6 @@ struct ino_bucket {
 
 };
 
-#ifdef CONFIG_PCI
-extern unsigned long pci_dma_wsync;
-extern unsigned long dma_sync_reg_table[256];
-extern unsigned char dma_sync_reg_table_entry;
-#endif
-
 /* IMAP/ICLR register defines */
 #define IMAP_VALID              0x80000000      /* IRQ Enabled          */
 #define IMAP_TID_UPA            0x7c000000      /* UPA TargetID         */
@@ -90,11 +83,9 @@ extern unsigned char dma_sync_reg_table_entry;
 #define ICLR_PENDING            0x00000003      /* Pending state        */
 
 /* Only 8-bits are available, be careful.  -DaveM */
-#define IBF_DMA_SYNC    0x01    /* DMA synchronization behind PCI bridge needed. */
-#define IBF_PCI         0x02    /* Indicates PSYCHO/SABRE/SCHIZO PCI interrupt.  */
-#define IBF_ACTIVE      0x04    /* This interrupt is active and has a handler.   */
-#define IBF_MULTI       0x08    /* On PCI, indicates shared bucket.              */
-#define IBF_INPROGRESS  0x10    /* IRQ is being serviced.                        */
+#define IBF_PCI         0x02    /* PSYCHO/SABRE/SCHIZO PCI interrupt.    */
+#define IBF_ACTIVE      0x04    /* Interrupt is active and has a handler.*/
+#define IBF_INPROGRESS  0x10    /* IRQ is being serviced.                */
 
 #define NUM_IVECS       (IMAP_INR + 1)
 extern struct ino_bucket ivector_table[NUM_IVECS];
diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h
index b7e635544cec..56b5197d7898 100644
--- a/include/asm-sparc64/parport.h
+++ b/include/asm-sparc64/parport.h
@@ -27,12 +27,12 @@ static struct sparc_ebus_info {
 
 static __inline__ void enable_dma(unsigned int dmanr)
 {
+        ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
+
         if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info,
                              sparc_ebus_dmas[dmanr].addr,
                              sparc_ebus_dmas[dmanr].count))
                 BUG();
-
-        ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
 }
 
 static __inline__ void disable_dma(unsigned int dmanr)
diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h
index 4c15610a2bac..38bbbccb4068 100644
--- a/include/asm-sparc64/pbm.h
+++ b/include/asm-sparc64/pbm.h
@@ -145,6 +145,9 @@ struct pci_pbm_info {
         /* Physical address base of PBM registers. */
         unsigned long                   pbm_regs;
 
+        /* Physical address of DMA sync register, if any.  */
+        unsigned long                   sync_reg;
+
         /* Opaque 32-bit system bus Port ID. */
         u32                             portid;
 
diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h
index 2a0c85cd1c11..84e41c1ef3f8 100644
--- a/include/asm-sparc64/pci.h
+++ b/include/asm-sparc64/pci.h
@@ -220,6 +220,25 @@ static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
         return (dma_addr == PCI_DMA_ERROR_CODE);
 }
 
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+                                        enum pci_dma_burst_strategy *strat,
+                                        unsigned long *strategy_parameter)
+{
+        unsigned long cacheline_size;
+        u8 byte;
+
+        pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
+        if (byte == 0)
+                cacheline_size = 1024;
+        else
+                cacheline_size = (int) byte * 4;
+
+        *strat = PCI_DMA_BURST_BOUNDARY;
+        *strategy_parameter = cacheline_size;
+}
+#endif
+
 /* Return the index of the PCI controller for device PDEV. */
 
 extern int pci_domain_nr(struct pci_bus *bus);
diff --git a/include/asm-sparc64/signal.h b/include/asm-sparc64/signal.h
index becdf1bc5924..e3059bb4a465 100644
--- a/include/asm-sparc64/signal.h
+++ b/include/asm-sparc64/signal.h
@@ -162,21 +162,6 @@ struct sigstack {
 #define MINSIGSTKSZ     4096
 #define SIGSTKSZ        16384
 
-#ifdef __KERNEL__
-/*
- * DJHR
- * SA_STATIC_ALLOC is used for the SPARC system to indicate that this
- * interrupt handler's irq structure should be statically allocated
- * by the request_irq routine.
- * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
- * of interrupt usage and that sucks. Also without a flag like this
- * it may be possible for the free_irq routine to attempt to free
- * statically allocated data.. which is NOT GOOD.
- *
- */
-#define SA_STATIC_ALLOC         0x80
-#endif
-
 #include <asm-generic/signal.h>
 
 struct __new_sigaction {