redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
Samuel Iglesias Gonsálvez 2012-07-20 09:39:05 +02:00 committed by Greg Kroah-Hartman
parent f45651f9bb
commit 5b47f3cbf0
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/staging/ipack/bridges/tpci200.c
View File

@ -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);