aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/blackfin/include/asm/ipipe.h7
-rw-r--r--arch/blackfin/kernel/ipipe.c44
-rw-r--r--arch/blackfin/lib/ins.S4
3 files changed, 22 insertions, 33 deletions
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
index 87ba9ad399c..4617ba66278 100644
--- a/arch/blackfin/include/asm/ipipe.h
+++ b/arch/blackfin/include/asm/ipipe.h
@@ -145,10 +145,6 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs);
int __ipipe_get_irq_priority(unsigned irq);
-void __ipipe_stall_root_raw(void);
-
-void __ipipe_unstall_root_raw(void);
-
void __ipipe_serial_debug(const char *fmt, ...);
asmlinkage void __ipipe_call_irqtail(unsigned long addr);
@@ -234,9 +230,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
#define task_hijacked(p) 0
#define ipipe_trap_notify(t, r) 0
-#define __ipipe_stall_root_raw() do { } while (0)
-#define __ipipe_unstall_root_raw() do { } while (0)
-
#define ipipe_init_irq_threads() do { } while (0)
#define ipipe_start_irq_thread(irq, desc) 0
diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c
index a7256775fb9..be4f24ebd40 100644
--- a/arch/blackfin/kernel/ipipe.c
+++ b/arch/blackfin/kernel/ipipe.c
@@ -191,30 +191,6 @@ void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, unsigned irq)
}
EXPORT_SYMBOL(__ipipe_disable_irqdesc);
-void __ipipe_stall_root_raw(void)
-{
- /*
- * This code is called by the ins{bwl} routines (see
- * arch/blackfin/lib/ins.S), which are heavily used by the
- * network stack. It masks all interrupts but those handled by
- * non-root domains, so that we keep decent network transfer
- * rates for Linux without inducing pathological jitter for
- * the real-time domain.
- */
- __asm__ __volatile__ ("sti %0;" : : "d"(__ipipe_irq_lvmask));
-
- __set_bit(IPIPE_STALL_FLAG,
- &ipipe_root_cpudom_var(status));
-}
-
-void __ipipe_unstall_root_raw(void)
-{
- __clear_bit(IPIPE_STALL_FLAG,
- &ipipe_root_cpudom_var(status));
-
- __asm__ __volatile__ ("sti %0;" : : "d"(bfin_irq_flags));
-}
-
int __ipipe_syscall_root(struct pt_regs *regs)
{
struct ipipe_percpu_domain_data *p;
@@ -344,3 +320,23 @@ void ___ipipe_sync_pipeline(unsigned long syncmask)
__ipipe_sync_stage(syncmask);
}
+
+void __ipipe_disable_root_irqs_hw(void)
+{
+ /*
+ * This code is called by the ins{bwl} routines (see
+ * arch/blackfin/lib/ins.S), which are heavily used by the
+ * network stack. It masks all interrupts but those handled by
+ * non-root domains, so that we keep decent network transfer
+ * rates for Linux without inducing pathological jitter for
+ * the real-time domain.
+ */
+ bfin_sti(__ipipe_irq_lvmask);
+ __set_bit(IPIPE_STALL_FLAG, &ipipe_root_cpudom_var(status));
+}
+
+void __ipipe_enable_root_irqs_hw(void)
+{
+ __clear_bit(IPIPE_STALL_FLAG, &ipipe_root_cpudom_var(status));
+ bfin_sti(bfin_irq_flags);
+}
diff --git a/arch/blackfin/lib/ins.S b/arch/blackfin/lib/ins.S
index 1863a6ba507..3edbd8db659 100644
--- a/arch/blackfin/lib/ins.S
+++ b/arch/blackfin/lib/ins.S
@@ -16,7 +16,7 @@
[--sp] = rets; \
[--sp] = (P5:0); \
sp += -12; \
- call ___ipipe_stall_root_raw; \
+ call ___ipipe_disable_root_irqs_hw; \
sp += 12; \
(P5:0) = [sp++];
# define CLI_INNER_NOP
@@ -28,7 +28,7 @@
#ifdef CONFIG_IPIPE
# define DO_STI \
sp += -12; \
- call ___ipipe_unstall_root_raw; \
+ call ___ipipe_enable_root_irqs_hw; \
sp += 12; \
2: rets = [sp++];
#else