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@xxxxxxxxxx> --- drivers/staging/ipack/bridges/tpci200.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index cee25c7..5831af8 100644 --- a/drivers/staging/ipack/bridges/tpci200.c +++ b/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); -- 1.7.10.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
