On Mon, Mar 25, 2013 at 10:13:56AM +0800, wei_wang@xxxxxxxxxxxxxx wrote: > +static int rts5249_optimize_phy(struct rtsx_pcr *pcr) > +{ > + int err; > + > + err = rtsx_pci_write_phy_register(pcr, 0x19, 0xFE46); > + if (err < 0) > + return err; > + > + mdelay(1); Why do we have the mdelay() and the later msleep(5)? rtsx_pci_write_phy_register() busy loops until the write succeeds or it returns -ETIMEOUT. The extra wait here seems unnecessary. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html