task #29600094

commit 6a8c97345a15f9c60ff6c6ac1629a3e9ec140320 upstream.
Backport summary: for 4.19 kernel ICX PCIe Gen4 support.

Simplify error counting code by using for_each_set_bit() library function.

Link: https://lore.kernel.org/r/20190827151823.75312-1-andriy.shevchenko@linux.intel.comSigned-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: NKuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
(cherry picked from commit 6a8c97345a15f9c60ff6c6ac1629a3e9ec140320)
Signed-off-by: NEthan Zhao <haifeng.zhao@intel.com>
Signed-off-by: NArtie Ding <artie.ding@linux.alibaba.com>
Acked-by: NCaspar Zhang <caspar@linux.alibaba.com>