2015-09-13 23:52 GMT+09:00 Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>:
> UFS device and link can be put in multiple different low power modes
> hence UFS driver supports multiple different low power modes.
> By default UFS driver selects the default (optimal) low power mode
> (which gives moderate power savings and have relatively less enter
> and exit latencies) but we might have to tune this default power
> mode for different chipset platforms to meet the low power
> requirements/goals. Hence this patch adds option to change default
> UFS low power mode (level).
>
> Signed-off-by: Subhash Jadavani <subhashj@xxxxxxxxxxxxxx>
> Signed-off-by: Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>
...
> diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
> index 3196197..1d26e49 100644
> --- a/drivers/scsi/ufs/ufs-qcom.c
> +++ b/drivers/scsi/ufs/ufs-qcom.c
> @@ -1195,11 +1195,12 @@ static int ufs_qcom_init(struct ufs_hba *hba)
> if (res) {
> host->dev_ref_clk_ctrl_mmio =
> devm_ioremap_resource(dev, res);
> - if (IS_ERR(host->dev_ref_clk_ctrl_mmio)) {
> - dev_warn(dev,
> - "%s: could not map dev_ref_clk_ctrl_mmio, err %ld\n",
> + if (IS_ERR((__force void const *)
> + host->dev_ref_clk_ctrl_mmio)) {
> + dev_warn(dev, "%s: could not map dev_ref_clk_ctrl_mmio, err %ld\n",
> __func__,
> - PTR_ERR(host->dev_ref_clk_ctrl_mmio));
> + PTR_ERR((__force void const *)
> + host->dev_ref_clk_ctrl_mmio));
> host->dev_ref_clk_ctrl_mmio = NULL;
> }
> host->dev_ref_clk_en_mask = BIT(5);
This change looks unrelated. Should this be belong to other patch?
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