• Matthew Wilcox's avatar
    [PATCH] Update PA-RISC IOMMU code · b4a993e7
    Matthew Wilcox authored
     - The pdc_io_reset_devices() call necessary for USB keyboard kills the
       serial console.  Use a test that seems to work for both.
     - Don't bounce >4G buffers on machines with IOMMU
     - Remove ASSERT code and cleanup iomem * related warnings
     - Fix comment that was pointing to the old file location
     - Expand comment about PDC reset to describe broken GFX+USB console at
       powerup by direct linux to serial console
     - Fix all ioremap abuse noticed by CONFIG_DEBUG_IOREMAP on an N4000
     - Remove casts from "READ_REG" and "WRITE_REG" macro
     - Set D4 and DD bits in IOC_CTRL
     - Allow all memory in machine to be in-flight DMA at once, up to 4GB
    Signed-off-by: default avatarGrant Grundler <grundler@parisc-linux.org>
    Signed-off-by: default avatarMatthew Wilcox <willy@parisc-linux.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
    b4a993e7
sba_iommu.c 60.9 KB