DWORD_REG_BITS_SET  501 drivers/net/ethernet/via/via-rhine.c #define DWORD_REG_BITS_SET(x, m, p)  do { iowrite32((ioread32((p)) & (~(m)))|(x), (p)); } while (0)
DWORD_REG_BITS_SET   49 drivers/net/ethernet/via/via-velocity.h #define DWORD_REG_BITS_SET(x,m,p)   do { writel( (readl((p)) & (~(m)))|(x),(p));}  while (0)