DWORD_REG_BITS_ON  489 drivers/net/ethernet/via/via-rhine.c #define DWORD_REG_BITS_ON(x, p)     do { iowrite32((ioread32((p))|(x)), (p)); } while (0)
DWORD_REG_BITS_ON   37 drivers/net/ethernet/via/via-velocity.h #define DWORD_REG_BITS_ON(x,p)      do { writel(readl((p))|(x),(p));} while (0)