On 8/10/2016 6:37 PM, patrice.chotard@xxxxxx wrote:
From: Patrice Chotard <patrice.chotard@xxxxxx> 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: Patrice Chotard <patrice.chotard@xxxxxx> --- drivers/ata/ahci_st.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c index 8ff428f..bc345f2 100644 --- a/drivers/ata/ahci_st.c +++ b/drivers/ata/ahci_st.c @@ -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;
Why? You could just use 'pdev'.
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,
pdev->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) {
MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html