Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 888d91a0 authored by Kefeng Wang's avatar Kefeng Wang Committed by Tejun Heo
Browse files

ata: ahci: append new hflag AHCI_HFLAG_NO_FBS 



Append AHCI_HFLAG_NO_FBS to force turning off FBS flag.

Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: default avatarKefeng Wang <kefeng.wang@linaro.org>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 58eb8cd5

drivers/ata/ahci.h

+1 −0
Original line number Diff line number Diff line
@@ -235,6 +235,7 @@ enum { 
						        port start (wait until

						        error-handling stage) */

	AHCI_HFLAG_MULTI_MSI		= (1 << 16), /* multiple PCI MSIs */

	AHCI_HFLAG_NO_FBS		= (1 << 17), /* no FBS */



	/* ap->flags bits */

drivers/ata/libahci.c

+5 −0
Original line number Diff line number Diff line
@@ -457,6 +457,11 @@ void ahci_save_initial_config(struct device *dev, 
		cap |= HOST_CAP_FBS;

	}



	if ((cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_NO_FBS)) {

		dev_info(dev, "controller can't do FBS, turning off CAP_FBS\n");

		cap &= ~HOST_CAP_FBS;

	}



	if (force_port_map && port_map != force_port_map) {

		dev_info(dev, "forcing port_map 0x%x -> 0x%x\n",

			 port_map, force_port_map);