275 	u32 em_ctl, msg;  in ahci_read_em_buffer()  local
282 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_read_em_buffer()
283 	if (!(ap->flags & ATA_FLAG_EM) || em_ctl & EM_CTL_XMT ||  in ahci_read_em_buffer()
289 	if (!(em_ctl & EM_CTL_MR)) {  in ahci_read_em_buffer()
294 	if (!(em_ctl & EM_CTL_SMB))  in ahci_read_em_buffer()
332 	u32 em_ctl, msg;  in ahci_store_em_buffer()  local
344 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_store_em_buffer()
345 	if (em_ctl & EM_CTL_TM) {  in ahci_store_em_buffer()
356 	writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);  in ahci_store_em_buffer()
370 	u32 em_ctl;  in ahci_show_em_supported()  local
372 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_show_em_supported()
375 		       em_ctl & EM_CTL_LED ? "led " : "",  in ahci_show_em_supported()
376 		       em_ctl & EM_CTL_SAFTE ? "saf-te " : "",  in ahci_show_em_supported()
377 		       em_ctl & EM_CTL_SES ? "ses-2 " : "",  in ahci_show_em_supported()
378 		       em_ctl & EM_CTL_SGPIO ? "sgpio " : "");  in ahci_show_em_supported()
962 	u32 em_ctl;  in ahci_reset_em()  local
964 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_reset_em()
965 	if ((em_ctl & EM_CTL_TM) || (em_ctl & EM_CTL_RST))  in ahci_reset_em()
968 	writel(em_ctl | EM_CTL_RST, mmio + HOST_EM_CTL);  in ahci_reset_em()
979 	u32 em_ctl;  in ahci_transmit_led_message()  local
998 	em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_transmit_led_message()
999 	if (em_ctl & EM_CTL_TM) {  in ahci_transmit_led_message()
1021 		writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);  in ahci_transmit_led_message()
2463 	u32 em_ctl = readl(mmio + HOST_EM_CTL);  in ahci_set_em_messages()  local
2468 	messages = (em_ctl & EM_CTRL_MSG_TYPE) >> 16;  in ahci_set_em_messages()
2476 		if (!(em_ctl & EM_CTL_ALHD))  in ahci_set_em_messages()