[PATCH 05/17] Staging: ipack/bridges/tpci200: Store beginning of module memory regions in struct tpci200.

[Samuel Iglesias Gonsalvez]

From: Jens Taprogge <jens.taprogge@xxxxxxxxxxxx>

tpci200_register is converted to use this.

A later patch will build on this.

Signed-off-by: Jens Taprogge <jens.taprogge@xxxxxxxxxxxx>
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@xxxxxxxxxx>
---
 drivers/staging/ipack/bridges/tpci200.c |   26 +++++++++++++++++---------
 drivers/staging/ipack/bridges/tpci200.h |    1 +
 drivers/staging/ipack/ipack.h           |    7 +++++--
 3 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index 47b8a1b..5acaea2 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -242,7 +242,6 @@ static int tpci200_register(struct tpci200_board *tpci200)
 	int i;
 	int res;
 	phys_addr_t ioidint_base;
-	phys_addr_t mem_base;
 	unsigned short slot_ctrl;
 
 	if (pci_enable_device(tpci200->info->pdev) < 0)
@@ -293,7 +292,12 @@ static int tpci200_register(struct tpci200_board *tpci200)
 
 	ioidint_base = pci_resource_start(tpci200->info->pdev,
 					  TPCI200_IO_ID_INT_SPACES_BAR);
-	mem_base = pci_resource_start(tpci200->info->pdev,
+	tpci200->mod_mem[IPACK_IO_SPACE] = ioidint_base + TPCI200_IO_SPACE_OFF;
+	tpci200->mod_mem[IPACK_ID_SPACE] = ioidint_base + TPCI200_ID_SPACE_OFF;
+	tpci200->mod_mem[IPACK_INT_SPACE] =
+		ioidint_base + TPCI200_INT_SPACE_OFF;
+	tpci200->mod_mem[IPACK_MEM_SPACE] =
+		pci_resource_start(tpci200->info->pdev,
 				      TPCI200_MEM8_SPACE_BAR);
 
 	/* Set the default parameters of the slot
@@ -308,19 +312,23 @@ static int tpci200_register(struct tpci200_board *tpci200)
 
 	/* Set all slot physical address space */
 	for (i = 0; i < TPCI200_NB_SLOT; i++) {
-		tpci200->slots[i].io_phys.start = ioidint_base +
-			TPCI200_IO_SPACE_OFF + TPCI200_IO_SPACE_GAP*i;
+		tpci200->slots[i].io_phys.start =
+			tpci200->mod_mem[IPACK_IO_SPACE] +
+			TPCI200_IO_SPACE_GAP * i;
 		tpci200->slots[i].io_phys.size = TPCI200_IO_SPACE_SIZE;
 
-		tpci200->slots[i].id_phys.start = ioidint_base +
-			TPCI200_ID_SPACE_OFF + TPCI200_ID_SPACE_GAP*i;
+		tpci200->slots[i].id_phys.start =
+			tpci200->mod_mem[IPACK_ID_SPACE] +
+			TPCI200_ID_SPACE_GAP * i;
 		tpci200->slots[i].id_phys.size = TPCI200_ID_SPACE_SIZE;
 
-		tpci200->slots[i].int_phys.start = ioidint_base +
-			TPCI200_INT_SPACE_OFF + TPCI200_INT_SPACE_GAP * i;
+		tpci200->slots[i].int_phys.start =
+			tpci200->mod_mem[IPACK_INT_SPACE] +
+			TPCI200_INT_SPACE_GAP * i;
 		tpci200->slots[i].int_phys.size = TPCI200_INT_SPACE_SIZE;
 
-		tpci200->slots[i].mem_phys.start = mem_base +
+		tpci200->slots[i].mem_phys.start =
+			tpci200->mod_mem[IPACK_MEM_SPACE] +
 			TPCI200_MEM8_GAP * i;
 		tpci200->slots[i].mem_phys.size = TPCI200_MEM8_SIZE;
 
diff --git a/drivers/staging/ipack/bridges/tpci200.h b/drivers/staging/ipack/bridges/tpci200.h
index 59cb5b7..6b7c700 100644
--- a/drivers/staging/ipack/bridges/tpci200.h
+++ b/drivers/staging/ipack/bridges/tpci200.h
@@ -165,6 +165,7 @@ struct tpci200_board {
 	spinlock_t		regs_lock;
 	struct tpci200_slot	*slots;
 	struct tpci200_infos	*info;
+	phys_addr_t             mod_mem[IPACK_SPACE_COUNT];
 };
 
 #endif /* _TPCI200_H_ */
diff --git a/drivers/staging/ipack/ipack.h b/drivers/staging/ipack/ipack.h
index 9e543a5..a842eea 100644
--- a/drivers/staging/ipack/ipack.h
+++ b/drivers/staging/ipack/ipack.h
@@ -33,9 +33,12 @@ struct ipack_driver;
 
 enum ipack_space {
 	IPACK_IO_SPACE    = 0,
-	IPACK_ID_SPACE    = 1,
-	IPACK_MEM_SPACE   = 2,
+	IPACK_ID_SPACE,
+	IPACK_MEM_SPACE,
 	IPACK_INT_SPACE,
+	/* Dummy for counting the number of entries.  Must remain the last
+	 * entry */
+	IPACK_SPACE_COUNT,
 };
 
 /**
-- 
1.7.10.4

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