mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 23:12:32 +00:00
50 lines
1.3 KiB
Diff
50 lines
1.3 KiB
Diff
|
Fix double negation of bitmask in dc_ep_icu_disable andwr32_mask.
|
||
|
|
Also add locking to ensure the masking is applied atomically.
|
||
|
|
|
||
|
|
--- a/misc.c
|
||
|
|
+++ b/misc.c
|
||
|
|
@@ -68,12 +68,22 @@ void dc_ep_icu_disable(struct dc_ep_priv
|
||
|
|
|
||
|
|
void dc_ep_icu_dis_intr(struct dc_ep_priv *priv, u32 bits)
|
||
|
|
{
|
||
|
|
- wr32_mask(~bits, 0, ICU_IMER);
|
||
|
|
+ struct dc_aca *aca = to_aca(priv);
|
||
|
|
+ unsigned long flags;
|
||
|
|
+
|
||
|
|
+ spin_lock_irqsave(&aca->icu_lock, flags);
|
||
|
|
+ wr32_mask(bits, 0, ICU_IMER);
|
||
|
|
+ spin_unlock_irqrestore(&aca->icu_lock, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
void dc_ep_icu_en_intr(struct dc_ep_priv *priv, u32 bits)
|
||
|
|
{
|
||
|
|
+ struct dc_aca *aca = to_aca(priv);
|
||
|
|
+ unsigned long flags;
|
||
|
|
+
|
||
|
|
+ spin_lock_irqsave(&aca->icu_lock, flags);
|
||
|
|
wr32_mask(0, bits, ICU_IMER);
|
||
|
|
+ spin_unlock_irqrestore(&aca->icu_lock, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
void dc_ep_assert_device(struct dc_ep_priv *priv, u32 bits)
|
||
|
|
--- a/aca.c
|
||
|
|
+++ b/aca.c
|
||
|
|
@@ -1158,6 +1158,7 @@ void dc_aca_info_init(struct dc_ep_priv
|
||
|
|
struct dc_aca *aca = to_aca(priv);
|
||
|
|
|
||
|
|
aca->initialized = false;
|
||
|
|
+ spin_lock_init(&aca->icu_lock);
|
||
|
|
spin_lock_init(&aca->clk_lock);
|
||
|
|
spin_lock_init(&aca->rcu_lock);
|
||
|
|
mutex_init(&aca->pin_lock);
|
||
|
|
--- a/aca.h
|
||
|
|
+++ b/aca.h
|
||
|
|
@@ -470,6 +470,7 @@ struct aca_hif_params {
|
||
|
|
|
||
|
|
struct dc_aca {
|
||
|
|
bool initialized;
|
||
|
|
+ spinlock_t icu_lock;
|
||
|
|
spinlock_t clk_lock;
|
||
|
|
spinlock_t rcu_lock;
|
||
|
|
struct mutex pin_lock;
|