Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1513562

Re: [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus clocks dependency

From Stephen Boyd <sboyd@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus clocks dependency
Date 2016-11-02 00:20 +0100
Message-ID <syQvw-6HK-19@gated-at.bofh.it> (permalink)
References <sxpnI-6UQ-5@gated-at.bofh.it> <sxpxo-71f-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 10/28, Sarangdhar Joshi wrote:
> @@ -380,33 +384,43 @@ EXPORT_SYMBOL(qcom_scm_is_available);
>  static int qcom_scm_probe(struct platform_device *pdev)
>  {
>  	struct qcom_scm *scm;
> +	uint64_t clks;
>  	int ret;
>  
>  	scm = devm_kzalloc(&pdev->dev, sizeof(*scm), GFP_KERNEL);
>  	if (!scm)
>  		return -ENOMEM;
>  
> -	scm->core_clk = devm_clk_get(&pdev->dev, "core");
> -	if (IS_ERR(scm->core_clk)) {
> -		if (PTR_ERR(scm->core_clk) == -EPROBE_DEFER)
> -			return PTR_ERR(scm->core_clk);
> +	clks = (uint64_t)of_device_get_match_data(&pdev->dev);
> +	if (clks & SCM_HAS_CORE_CLK) {
> +		scm->core_clk = devm_clk_get(&pdev->dev, "core");
> +		if (IS_ERR(scm->core_clk)) {
> +			if (PTR_ERR(scm->core_clk) == -EPROBE_DEFER)
> +				return PTR_ERR(scm->core_clk);
>  
> -		scm->core_clk = NULL;
> +			scm->core_clk = NULL;
> +		}
>  	}
>  
>  	if (of_device_is_compatible(pdev->dev.of_node, "qcom,scm")) {

Why didn't this also get added to the flags feature? I'd prefer
we either use of_device_is_compatible() for everything, or device
data to figure out what quirks to apply.

> -		scm->iface_clk = devm_clk_get(&pdev->dev, "iface");
> -		if (IS_ERR(scm->iface_clk)) {
> -			if (PTR_ERR(scm->iface_clk) != -EPROBE_DEFER)

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 0/3] Remove clocks dependency from SCM driver Sarangdhar Joshi <spjoshi@codeaurora.org> - 2016-10-29 02:10 +0200
  [PATCH 3/3] firmware: qcom: scm: Return PTR_ERR when devm_clk_get fails Sarangdhar Joshi <spjoshi@codeaurora.org> - 2016-10-29 02:10 +0200
  [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus clocks dependency Sarangdhar Joshi <spjoshi@codeaurora.org> - 2016-10-29 02:20 +0200
    Re: [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus  clocks dependency Stephen Boyd <sboyd@codeaurora.org> - 2016-11-02 00:20 +0100
      Re: [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus  clocks dependency Sarangdhar Joshi <spjoshi@codeaurora.org> - 2016-11-02 20:30 +0100
        Re: [PATCH 2/3] firmware: qcom: scm: Remove core, iface and bus  clocks dependency Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-11-02 21:10 +0100

csiph-web