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ath10k: use devm_clk_get() instead of clk_get()

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Use the managed variant of clk_get() to simplify the failure path
and the .remove callback.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Masahiro Yamada 2016-09-26 21:56:22 +03:00 committed by Kalle Valo
parent e13dbead97
commit 828662753d
1 changed files with 6 additions and 28 deletions
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34
drivers/net/wireless/ath/ath10k/ahb.c
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@ -91,59 +91,37 @@ static int ath10k_ahb_clock_init(struct ath10k *ar)
{
struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
struct device *dev;
int ret;
dev = &ar_ahb->pdev->dev;
ar_ahb->cmd_clk = clk_get(dev, "wifi_wcss_cmd");
ar_ahb->cmd_clk = devm_clk_get(dev, "wifi_wcss_cmd");
if (IS_ERR_OR_NULL(ar_ahb->cmd_clk)) {
ath10k_err(ar, "failed to get cmd clk: %ld\n",
PTR_ERR(ar_ahb->cmd_clk));
ret = ar_ahb->cmd_clk ? PTR_ERR(ar_ahb->cmd_clk) : -ENODEV;
goto out;
return ar_ahb->cmd_clk ? PTR_ERR(ar_ahb->cmd_clk) : -ENODEV;
}
ar_ahb->ref_clk = clk_get(dev, "wifi_wcss_ref");
ar_ahb->ref_clk = devm_clk_get(dev, "wifi_wcss_ref");
if (IS_ERR_OR_NULL(ar_ahb->ref_clk)) {
ath10k_err(ar, "failed to get ref clk: %ld\n",
PTR_ERR(ar_ahb->ref_clk));
ret = ar_ahb->ref_clk ? PTR_ERR(ar_ahb->ref_clk) : -ENODEV;
goto err_cmd_clk_put;
return ar_ahb->ref_clk ? PTR_ERR(ar_ahb->ref_clk) : -ENODEV;
}
ar_ahb->rtc_clk = clk_get(dev, "wifi_wcss_rtc");
ar_ahb->rtc_clk = devm_clk_get(dev, "wifi_wcss_rtc");
if (IS_ERR_OR_NULL(ar_ahb->rtc_clk)) {
ath10k_err(ar, "failed to get rtc clk: %ld\n",
PTR_ERR(ar_ahb->rtc_clk));
ret = ar_ahb->rtc_clk ? PTR_ERR(ar_ahb->rtc_clk) : -ENODEV;
goto err_ref_clk_put;
return ar_ahb->rtc_clk ? PTR_ERR(ar_ahb->rtc_clk) : -ENODEV;
}
return 0;
err_ref_clk_put:
clk_put(ar_ahb->ref_clk);
err_cmd_clk_put:
clk_put(ar_ahb->cmd_clk);
out:
return ret;
}
static void ath10k_ahb_clock_deinit(struct ath10k *ar)
{
struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
if (!IS_ERR_OR_NULL(ar_ahb->cmd_clk))
clk_put(ar_ahb->cmd_clk);
if (!IS_ERR_OR_NULL(ar_ahb->ref_clk))
clk_put(ar_ahb->ref_clk);
if (!IS_ERR_OR_NULL(ar_ahb->rtc_clk))
clk_put(ar_ahb->rtc_clk);
ar_ahb->cmd_clk = NULL;
ar_ahb->ref_clk = NULL;
ar_ahb->rtc_clk = NULL;