On Sun, 3 Jan 2021 at 15:05, Phil Sutter <p...@nwl.cc> wrote: > > On my DS414, some PCI devices return odd values when probing BAR sizes. > An obvious case is all-ones response, the Linux driver > (drivers/pci/probe.c) catches those explicitly and a comment explains > that either bit 0 or bit 1 must be clear (depending on MEM or IO type). > Other BARs return e.g. 0xfff0000f or 0xfff00004 and thus manage to break > size calculation due to the "middle" zeroes. Mitigate that copying more > or less what Linux does and do a "find least bit set". > > Signed-off-by: Phil Sutter <p...@nwl.cc> > --- > drivers/pci/pci_auto.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) >
Reviewed-by: Simon Glass <s...@chromium.org>
