300 	u32 scontrol, serror;  in sata_link_resume()  local
303 	if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))  in sata_link_resume()
312 		scontrol = (scontrol & 0x0f0) | 0x300;  in sata_link_resume()
313 		if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol)))  in sata_link_resume()
324 		if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))  in sata_link_resume()
326 	} while ((scontrol & 0xf0f) != 0x300 && --tries);  in sata_link_resume()
328 	if ((scontrol & 0xf0f) != 0x300) {  in sata_link_resume()
330 			     scontrol);  in sata_link_resume()
372 	u32 scontrol;  in sata_link_scr_lpm()  local
375 	rc = sata_scr_read(link, SCR_CONTROL, &scontrol);  in sata_link_scr_lpm()
382 		scontrol |= (0x7 << 8);  in sata_link_scr_lpm()
385 			scontrol |= (0x4 << 12);  in sata_link_scr_lpm()
391 		scontrol &= ~(0x1 << 8);  in sata_link_scr_lpm()
392 		scontrol |= (0x6 << 8);  in sata_link_scr_lpm()
399 			scontrol &= ~(0x7 << 8);  in sata_link_scr_lpm()
402 			scontrol &= ~0xf;  in sata_link_scr_lpm()
403 			scontrol |= (0x1 << 2);  in sata_link_scr_lpm()
410 	rc = sata_scr_write(link, SCR_CONTROL, scontrol);  in sata_link_scr_lpm()
424 static int __sata_set_spd_needed(struct ata_link *link, u32 *scontrol)  in __sata_set_spd_needed()  argument
443 	spd = (*scontrol >> 4) & 0xf;  in __sata_set_spd_needed()
444 	*scontrol = (*scontrol & ~0xf0) | ((target & 0xf) << 4);  in __sata_set_spd_needed()
466 	u32 scontrol;  in sata_set_spd_needed()  local
468 	if (sata_scr_read(link, SCR_CONTROL, &scontrol))  in sata_set_spd_needed()
471 	return __sata_set_spd_needed(link, &scontrol);  in sata_set_spd_needed()
489 	u32 scontrol;  in sata_set_spd()  local
492 	if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))  in sata_set_spd()
495 	if (!__sata_set_spd_needed(link, &scontrol))  in sata_set_spd()
498 	if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol)))  in sata_set_spd()
533 	u32 scontrol;  in sata_link_hardreset()  local
545 		if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))  in sata_link_hardreset()
548 		scontrol = (scontrol & 0x0f0) | 0x304;  in sata_link_hardreset()
550 		if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol)))  in sata_link_hardreset()
557 	if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))  in sata_link_hardreset()
560 	scontrol = (scontrol & 0x0f0) | 0x301;  in sata_link_hardreset()
562 	if ((rc = sata_scr_write_flush(link, SCR_CONTROL, scontrol)))  in sata_link_hardreset()