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Commit e7190699 authored by Patrice Chotard's avatar Patrice Chotard Committed by Tejun Heo
Browse files

ahci: st: Add ports-implemented property in support 



Despite ST AHCI version = 1.3, reading HOST_PORTS_IMPL
returns 0. So force_port_map to 1 by using ports-implemented
DT property.

Signed-off-by: default avatarPatrice Chotard <patrice.chotard@st.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 16af080e

drivers/ata/ahci_st.c

+4 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ static struct scsi_host_template ahci_platform_sht = { 


static int st_ahci_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct st_ahci_drv_data *drv_data;

	struct ahci_host_priv *hpriv;

	int err;
@@ -170,6 +171,9 @@ static int st_ahci_probe(struct platform_device *pdev) 


	st_ahci_configure_oob(hpriv->mmio);



	of_property_read_u32(dev->of_node,

			     "ports-implemented", &hpriv->force_port_map);



	err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info,

				      &ahci_platform_sht);

	if (err) {