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SubjectRe: [PATCH 1/2] ahci: st: Add ports-implemented property in support
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On 8/10/2016 6:37 PM, patrice.chotard@st.com wrote:

> From: Patrice Chotard <patrice.chotard@st.com>
>
> 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@st.com>
> ---
> 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

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