[PATCH 2/3] ath10k: use devm_reset_control_get() instead of reset_control_get()
Masahiro Yamada
yamada.masahiro at socionext.com
Tue Sep 6 05:39:57 PDT 2016
Use the managed variant of reset_control_get() to simplify the
failure path and the .remove callback.
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---
drivers/net/wireless/ath/ath10k/ahb.c | 56 +++++++----------------------------
1 file changed, 10 insertions(+), 46 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c
index 8a55c0c..6b355ee 100644
--- a/drivers/net/wireless/ath/ath10k/ahb.c
+++ b/drivers/net/wireless/ath/ath10k/ahb.c
@@ -191,92 +191,56 @@ static int ath10k_ahb_rst_ctrl_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->core_cold_rst = reset_control_get(dev, "wifi_core_cold");
+ ar_ahb->core_cold_rst = devm_reset_control_get(dev, "wifi_core_cold");
if (IS_ERR_OR_NULL(ar_ahb->core_cold_rst)) {
ath10k_err(ar, "failed to get core cold rst ctrl: %ld\n",
PTR_ERR(ar_ahb->core_cold_rst));
- ret = ar_ahb->core_cold_rst ?
+ return ar_ahb->core_cold_rst ?
PTR_ERR(ar_ahb->core_cold_rst) : -ENODEV;
- goto out;
}
- ar_ahb->radio_cold_rst = reset_control_get(dev, "wifi_radio_cold");
+ ar_ahb->radio_cold_rst = devm_reset_control_get(dev, "wifi_radio_cold");
if (IS_ERR_OR_NULL(ar_ahb->radio_cold_rst)) {
ath10k_err(ar, "failed to get radio cold rst ctrl: %ld\n",
PTR_ERR(ar_ahb->radio_cold_rst));
- ret = ar_ahb->radio_cold_rst ?
+ return ar_ahb->radio_cold_rst ?
PTR_ERR(ar_ahb->radio_cold_rst) : -ENODEV;
- goto err_core_cold_rst_put;
}
- ar_ahb->radio_warm_rst = reset_control_get(dev, "wifi_radio_warm");
+ ar_ahb->radio_warm_rst = devm_reset_control_get(dev, "wifi_radio_warm");
if (IS_ERR_OR_NULL(ar_ahb->radio_warm_rst)) {
ath10k_err(ar, "failed to get radio warm rst ctrl: %ld\n",
PTR_ERR(ar_ahb->radio_warm_rst));
- ret = ar_ahb->radio_warm_rst ?
+ return ar_ahb->radio_warm_rst ?
PTR_ERR(ar_ahb->radio_warm_rst) : -ENODEV;
- goto err_radio_cold_rst_put;
}
- ar_ahb->radio_srif_rst = reset_control_get(dev, "wifi_radio_srif");
+ ar_ahb->radio_srif_rst = devm_reset_control_get(dev, "wifi_radio_srif");
if (IS_ERR_OR_NULL(ar_ahb->radio_srif_rst)) {
ath10k_err(ar, "failed to get radio srif rst ctrl: %ld\n",
PTR_ERR(ar_ahb->radio_srif_rst));
- ret = ar_ahb->radio_srif_rst ?
+ return ar_ahb->radio_srif_rst ?
PTR_ERR(ar_ahb->radio_srif_rst) : -ENODEV;
- goto err_radio_warm_rst_put;
}
- ar_ahb->cpu_init_rst = reset_control_get(dev, "wifi_cpu_init");
+ ar_ahb->cpu_init_rst = devm_reset_control_get(dev, "wifi_cpu_init");
if (IS_ERR_OR_NULL(ar_ahb->cpu_init_rst)) {
ath10k_err(ar, "failed to get cpu init rst ctrl: %ld\n",
PTR_ERR(ar_ahb->cpu_init_rst));
- ret = ar_ahb->cpu_init_rst ?
+ return ar_ahb->cpu_init_rst ?
PTR_ERR(ar_ahb->cpu_init_rst) : -ENODEV;
- goto err_radio_srif_rst_put;
}
return 0;
-
-err_radio_srif_rst_put:
- reset_control_put(ar_ahb->radio_srif_rst);
-
-err_radio_warm_rst_put:
- reset_control_put(ar_ahb->radio_warm_rst);
-
-err_radio_cold_rst_put:
- reset_control_put(ar_ahb->radio_cold_rst);
-
-err_core_cold_rst_put:
- reset_control_put(ar_ahb->core_cold_rst);
-
-out:
- return ret;
}
static void ath10k_ahb_rst_ctrl_deinit(struct ath10k *ar)
{
struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
- if (!IS_ERR_OR_NULL(ar_ahb->core_cold_rst))
- reset_control_put(ar_ahb->core_cold_rst);
-
- if (!IS_ERR_OR_NULL(ar_ahb->radio_cold_rst))
- reset_control_put(ar_ahb->radio_cold_rst);
-
- if (!IS_ERR_OR_NULL(ar_ahb->radio_warm_rst))
- reset_control_put(ar_ahb->radio_warm_rst);
-
- if (!IS_ERR_OR_NULL(ar_ahb->radio_srif_rst))
- reset_control_put(ar_ahb->radio_srif_rst);
-
- if (!IS_ERR_OR_NULL(ar_ahb->cpu_init_rst))
- reset_control_put(ar_ahb->cpu_init_rst);
-
ar_ahb->core_cold_rst = NULL;
ar_ahb->radio_cold_rst = NULL;
ar_ahb->radio_warm_rst = NULL;
--
1.9.1
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