314 	u32 em_ctl, msg;  in ahci_read_em_buffer()  local
322 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_read_em_buffer()
323 	if (!(ap->flags & ATA_FLAG_EM) || em_ctl & EM_CTL_XMT ||  in ahci_read_em_buffer()
330 	if (!(em_ctl & EM_CTL_MR)) {  in ahci_read_em_buffer()
336 	if (!(em_ctl & EM_CTL_SMB))  in ahci_read_em_buffer()
375 	u32 em_ctl, msg;  in ahci_store_em_buffer()  local
388 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_store_em_buffer()
389 	if (em_ctl & EM_CTL_TM) {  in ahci_store_em_buffer()
401 	writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);  in ahci_store_em_buffer()
416 	u32 em_ctl;  in ahci_show_em_supported()  local
419 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_show_em_supported()
423 		       em_ctl & EM_CTL_LED ? "led " : "",  in ahci_show_em_supported()
424 		       em_ctl & EM_CTL_SAFTE ? "saf-te " : "",  in ahci_show_em_supported()
425 		       em_ctl & EM_CTL_SES ? "ses-2 " : "",  in ahci_show_em_supported()
426 		       em_ctl & EM_CTL_SGPIO ? "sgpio " : "");  in ahci_show_em_supported()
1100 	u32 em_ctl;  in ahci_reset_em()  local
1102 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_reset_em()
1103 	if ((em_ctl & EM_CTL_TM) || (em_ctl & EM_CTL_RST))  in ahci_reset_em()
1106 	writel(em_ctl | EM_CTL_RST, mmio + HOST_EM_CTL);  in ahci_reset_em()
1117 	u32 em_ctl;  in ahci_transmit_led_message()  local
1137 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_transmit_led_message()
1138 	if (em_ctl & EM_CTL_TM) {  in ahci_transmit_led_message()
1161 		writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);  in ahci_transmit_led_message()
2683 	u32 em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_set_em_messages()  local
2688 	messages = (em_ctl & EM_CTRL_MSG_TYPE) >> 16;  in ahci_set_em_messages()
2696 		if (!(em_ctl & EM_CTL_ALHD))  in ahci_set_em_messages()