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authorPaul Fulghum <paulkf@microgate.com>2006-01-11 12:17:39 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-11 18:42:11 -0800
commit0c8365ecc57f87e4d982c3fe59a4c1b985484e7f (patch)
tree4249e263421e2b428a4c099e933ac26f87329687 /drivers/char/synclink_gt.c
parentd251575ab60ca2b5337574bfaf8f8b583f18059e (diff)
[PATCH] synclink_gt remove unnecessary page alignment
Remove unnecessary and incorrectly implemented page alignment of register base address before calling ioremap() Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/synclink_gt.c')
-rw-r--r--drivers/char/synclink_gt.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 79c81def4104..07c9be6a6bbf 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -1,5 +1,5 @@
/*
- * $Id: synclink_gt.c,v 4.20 2005/11/08 19:51:55 paulkf Exp $
+ * $Id: synclink_gt.c,v 4.22 2006/01/09 20:16:06 paulkf Exp $
*
* Device driver for Microgate SyncLink GT serial adapters.
*
@@ -92,7 +92,7 @@
* module identification
*/
static char *driver_name = "SyncLink GT";
-static char *driver_version = "$Revision: 4.20 $";
+static char *driver_version = "$Revision: 4.22 $";
static char *tty_driver_name = "synclink_gt";
static char *tty_dev_prefix = "ttySLG";
MODULE_LICENSE("GPL");
@@ -288,7 +288,6 @@ struct slgt_info {
unsigned char __iomem * reg_addr; /* memory mapped registers address */
u32 phys_reg_addr;
- u32 reg_offset;
int reg_addr_requested;
MGSL_PARAMS params; /* communications parameters */
@@ -2976,14 +2975,13 @@ static int claim_resources(struct slgt_info *info)
else
info->reg_addr_requested = 1;
- info->reg_addr = ioremap(info->phys_reg_addr, PAGE_SIZE);
+ info->reg_addr = ioremap(info->phys_reg_addr, SLGT_REG_SIZE);
if (!info->reg_addr) {
DBGERR(("%s cant map device registers, addr=%08X\n",
info->device_name, info->phys_reg_addr));
info->init_error = DiagStatus_CantAssignPciResources;
goto errout;
}
- info->reg_addr += info->reg_offset;
return 0;
errout:
@@ -3004,7 +3002,7 @@ static void release_resources(struct slgt_info *info)
}
if (info->reg_addr) {
- iounmap(info->reg_addr - info->reg_offset);
+ iounmap(info->reg_addr);
info->reg_addr = NULL;
}
}
@@ -3108,12 +3106,6 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
info->irq_level = pdev->irq;
info->phys_reg_addr = pci_resource_start(pdev,0);
- /* veremap works on page boundaries
- * map full page starting at the page boundary
- */
- info->reg_offset = info->phys_reg_addr & (PAGE_SIZE-1);
- info->phys_reg_addr &= ~(PAGE_SIZE-1);
-
info->bus_type = MGSL_BUS_TYPE_PCI;
info->irq_flags = SA_SHIRQ;