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Staging: ipack/bridges/tpci200: use ioremap_nocache instead of ioremap

The CPU might write-combine and/or cache memory access.  Something that for
most modules is not desired.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Samuel Iglesias Gonsálvez 13 年之前
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共有 1 个文件被更改,包括 4 次插入4 次删除
  1. 4 4
      drivers/staging/ipack/bridges/tpci200.c

+ 4 - 4
drivers/staging/ipack/bridges/tpci200.c

@@ -390,15 +390,15 @@ static int tpci200_register(struct tpci200_board *tpci200)
 
 	/* Map internal tpci200 driver user space */
 	tpci200->info->interface_regs =
-		ioremap(pci_resource_start(tpci200->info->pdev,
+		ioremap_nocache(pci_resource_start(tpci200->info->pdev,
 					   TPCI200_IP_INTERFACE_BAR),
 			TPCI200_IFACE_SIZE);
 	tpci200->info->ioidint_space =
-		ioremap(pci_resource_start(tpci200->info->pdev,
+		ioremap_nocache(pci_resource_start(tpci200->info->pdev,
 					   TPCI200_IO_ID_INT_SPACES_BAR),
 			TPCI200_IOIDINT_SIZE);
 	tpci200->info->mem8_space =
-		ioremap(pci_resource_start(tpci200->info->pdev,
+		ioremap_nocache(pci_resource_start(tpci200->info->pdev,
 					   TPCI200_MEM8_SPACE_BAR),
 			TPCI200_MEM8_SIZE);
 
@@ -677,7 +677,7 @@ static int tpci200_slot_map_space(struct ipack_device *dev,
 
 	virt_addr_space->size = size_to_map;
 	virt_addr_space->address =
-		ioremap((unsigned long)phys_address, size_to_map);
+		ioremap_nocache((unsigned long)phys_address, size_to_map);
 
 out_unlock:
 	mutex_unlock(&tpci200->mutex);