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ATA: ahci_platform: enable FBS for RK3588

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Because the CAP parameters of AHCI are incorrect, FBS cannot
be started automatically and needs to be configured manually.
This configuration can improve the read-write performance
when connecting multiple SATA hard disks through the PM chip.

Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
Change-Id: I66ff92dce1711e3d189801c8caa3219217a50dda
This commit is contained in:
Yifeng Zhao 2021-12-06 10:51:16 +08:00
commit e1f0e15a08
1 changed files with 4 additions and 0 deletions
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4
drivers/ata/ahci_platform.c
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@ -62,6 +62,9 @@ static int ahci_probe(struct platform_device *pdev)
if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
if (of_device_is_compatible(dev->of_node, "rockchip,rk-ahci"))
hpriv->flags |= AHCI_HFLAG_YES_FBS;
port = acpi_device_get_match_data(dev);
if (!port)
port = &ahci_port_info;
@ -88,6 +91,7 @@ static const struct of_device_id ahci_of_match[] = {
{ .compatible = "snps,dwc-ahci", },
{ .compatible = "hisilicon,hisi-ahci", },
{ .compatible = "cavium,octeon-7130-ahci", },
{ .compatible = "rockchip,rk-ahci", },
{},
};
MODULE_DEVICE_TABLE(of, ahci_of_match);