diff options
Diffstat (limited to 'util/flashrom/flashrom.c')
| -rw-r--r-- | util/flashrom/flashrom.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/util/flashrom/flashrom.c b/util/flashrom/flashrom.c index dce303ed3f..842d473a1e 100644 --- a/util/flashrom/flashrom.c +++ b/util/flashrom/flashrom.c @@ -381,8 +381,8 @@ int main(int argc, char *argv[]) pci_init(pacc); /* Initialize the PCI library */ pci_scan_bus(pacc); /* We want to get the list of devices */ - /* Open the memory device. A lot of functions need it */ - if ((fd_mem = open(MEM_DEV, O_RDWR)) < 0) { + /* Open the memory device UNCACHED. That's important for MMIO. */ + if ((fd_mem = open(MEM_DEV, O_RDWR|O_SYNC)) < 0) { perror("Error: Can not access memory using " MEM_DEV ". You need to be root."); exit(1); |