311 	u32 em_ctl, msg;  in ahci_read_em_buffer()  local
319 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_read_em_buffer()
320 	if (!(ap->flags & ATA_FLAG_EM) || em_ctl & EM_CTL_XMT ||  in ahci_read_em_buffer()
327 	if (!(em_ctl & EM_CTL_MR)) {  in ahci_read_em_buffer()
333 	if (!(em_ctl & EM_CTL_SMB))  in ahci_read_em_buffer()
372 	u32 em_ctl, msg;  in ahci_store_em_buffer()  local
385 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_store_em_buffer()
386 	if (em_ctl & EM_CTL_TM) {  in ahci_store_em_buffer()
398 	writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);  in ahci_store_em_buffer()
413 	u32 em_ctl;  in ahci_show_em_supported()  local
416 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_show_em_supported()
420 		       em_ctl & EM_CTL_LED ? "led " : "",  in ahci_show_em_supported()
421 		       em_ctl & EM_CTL_SAFTE ? "saf-te " : "",  in ahci_show_em_supported()
422 		       em_ctl & EM_CTL_SES ? "ses-2 " : "",  in ahci_show_em_supported()
423 		       em_ctl & EM_CTL_SGPIO ? "sgpio " : "");  in ahci_show_em_supported()
1097 	u32 em_ctl;  in ahci_reset_em()  local
1099 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_reset_em()
1100 	if ((em_ctl & EM_CTL_TM) || (em_ctl & EM_CTL_RST))  in ahci_reset_em()
1103 	writel(em_ctl | EM_CTL_RST, mmio + HOST_EM_CTL);  in ahci_reset_em()
1114 	u32 em_ctl;  in ahci_transmit_led_message()  local
1134 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_transmit_led_message()
1135 	if (em_ctl & EM_CTL_TM) {  in ahci_transmit_led_message()
1158 		writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);  in ahci_transmit_led_message()
2568 	u32 em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_set_em_messages()  local
2573 	messages = (em_ctl & EM_CTRL_MSG_TYPE) >> 16;  in ahci_set_em_messages()
2581 		if (!(em_ctl & EM_CTL_ALHD))  in ahci_set_em_messages()