[OpenWrt-Devel] [PATCH 10/33] atheros: v3.18: rearrange interrupt handling functions
Sergey Ryazanov
ryazanov.s.a at gmail.com
Thu Mar 12 22:19:15 EDT 2015
No functional changes, just change functions order in source file.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a at gmail.com>
---
target/linux/atheros/patches-3.18/100-board.patch | 142 ++++++++++-----------
.../atheros/patches-3.18/105-ar2315_pci.patch | 2 +-
2 files changed, 72 insertions(+), 72 deletions(-)
diff --git a/target/linux/atheros/patches-3.18/100-board.patch b/target/linux/atheros/patches-3.18/100-board.patch
index c28a1d8..1e39990 100644
--- a/target/linux/atheros/patches-3.18/100-board.patch
+++ b/target/linux/atheros/patches-3.18/100-board.patch
@@ -1526,6 +1526,25 @@
+#include "devices.h"
+#include "ar5312.h"
+
++static irqreturn_t ar5312_ahb_err_handler(int cpl, void *dev_id)
++{
++ u32 proc1 = ar231x_read_reg(AR5312_PROC1);
++ u32 proc_addr = ar231x_read_reg(AR5312_PROCADDR); /* clears error */
++ u32 dma1 = ar231x_read_reg(AR5312_DMA1);
++ u32 dma_addr = ar231x_read_reg(AR5312_DMAADDR); /* clears error */
++
++ pr_emerg("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
++ proc_addr, proc1, dma_addr, dma1);
++
++ machine_restart("AHB error"); /* Catastrophic failure */
++ return IRQ_HANDLED;
++}
++
++static struct irqaction ar5312_ahb_err_interrupt = {
++ .handler = ar5312_ahb_err_handler,
++ .name = "ar5312-ahb-error",
++};
++
+static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+{
+ unsigned int ar231x_misc_intrs = ar231x_read_reg(AR5312_ISR) &
@@ -1544,26 +1563,6 @@
+ spurious_interrupt();
+}
+
-+static void ar5312_irq_dispatch(void)
-+{
-+ int pending = read_c0_status() & read_c0_cause();
-+
-+ if (pending & CAUSEF_IP2)
-+ do_IRQ(AR5312_IRQ_WLAN0_INTRS);
-+ else if (pending & CAUSEF_IP3)
-+ do_IRQ(AR5312_IRQ_ENET0_INTRS);
-+ else if (pending & CAUSEF_IP4)
-+ do_IRQ(AR5312_IRQ_ENET1_INTRS);
-+ else if (pending & CAUSEF_IP5)
-+ do_IRQ(AR5312_IRQ_WLAN1_INTRS);
-+ else if (pending & CAUSEF_IP6)
-+ do_IRQ(AR5312_IRQ_MISC_INTRS);
-+ else if (pending & CAUSEF_IP7)
-+ do_IRQ(AR231X_IRQ_CPU_CLOCK);
-+ else
-+ spurious_interrupt();
-+}
-+
+/* Enable the specified AR5312_MISC_IRQ interrupt */
+static void ar5312_misc_irq_unmask(struct irq_data *d)
+{
@@ -1591,25 +1590,26 @@
+ .irq_mask = ar5312_misc_irq_mask,
+};
+
-+static irqreturn_t ar5312_ahb_err_handler(int cpl, void *dev_id)
++static void ar5312_irq_dispatch(void)
+{
-+ u32 proc1 = ar231x_read_reg(AR5312_PROC1);
-+ u32 proc_addr = ar231x_read_reg(AR5312_PROCADDR); /* clears error */
-+ u32 dma1 = ar231x_read_reg(AR5312_DMA1);
-+ u32 dma_addr = ar231x_read_reg(AR5312_DMAADDR); /* clears error */
-+
-+ pr_emerg("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
-+ proc_addr, proc1, dma_addr, dma1);
++ int pending = read_c0_status() & read_c0_cause();
+
-+ machine_restart("AHB error"); /* Catastrophic failure */
-+ return IRQ_HANDLED;
++ if (pending & CAUSEF_IP2)
++ do_IRQ(AR5312_IRQ_WLAN0_INTRS);
++ else if (pending & CAUSEF_IP3)
++ do_IRQ(AR5312_IRQ_ENET0_INTRS);
++ else if (pending & CAUSEF_IP4)
++ do_IRQ(AR5312_IRQ_ENET1_INTRS);
++ else if (pending & CAUSEF_IP5)
++ do_IRQ(AR5312_IRQ_WLAN1_INTRS);
++ else if (pending & CAUSEF_IP6)
++ do_IRQ(AR5312_IRQ_MISC_INTRS);
++ else if (pending & CAUSEF_IP7)
++ do_IRQ(AR231X_IRQ_CPU_CLOCK);
++ else
++ spurious_interrupt();
+}
+
-+static struct irqaction ar5312_ahb_err_interrupt = {
-+ .handler = ar5312_ahb_err_handler,
-+ .name = "ar5312-ahb-error",
-+};
-+
+void __init ar5312_arch_init_irq(void)
+{
+ int i;
@@ -1979,6 +1979,22 @@
+#include "devices.h"
+#include "ar2315.h"
+
++static irqreturn_t ar2315_ahb_err_handler(int cpl, void *dev_id)
++{
++ ar231x_write_reg(AR2315_AHB_ERR0, AHB_ERROR_DET);
++ ar231x_read_reg(AR2315_AHB_ERR1);
++
++ pr_emerg("AHB fatal error\n");
++ machine_restart("AHB error"); /* Catastrophic failure */
++
++ return IRQ_HANDLED;
++}
++
++static struct irqaction ar2315_ahb_err_interrupt = {
++ .handler = ar2315_ahb_err_handler,
++ .name = "ar2315-ahb-error",
++};
++
+static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+{
+ unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) &
@@ -2002,30 +2018,6 @@
+ spurious_interrupt();
+}
+
-+/*
-+ * Called when an interrupt is received, this function
-+ * determines exactly which interrupt it was, and it
-+ * invokes the appropriate handler.
-+ *
-+ * Implicitly, we also define interrupt priority by
-+ * choosing which to dispatch first.
-+ */
-+static void ar2315_irq_dispatch(void)
-+{
-+ int pending = read_c0_status() & read_c0_cause();
-+
-+ if (pending & CAUSEF_IP3)
-+ do_IRQ(AR2315_IRQ_WLAN0_INTRS);
-+ else if (pending & CAUSEF_IP4)
-+ do_IRQ(AR2315_IRQ_ENET0_INTRS);
-+ else if (pending & CAUSEF_IP2)
-+ do_IRQ(AR2315_IRQ_MISC_INTRS);
-+ else if (pending & CAUSEF_IP7)
-+ do_IRQ(AR231X_IRQ_CPU_CLOCK);
-+ else
-+ spurious_interrupt();
-+}
-+
+static void ar2315_misc_irq_unmask(struct irq_data *d)
+{
+ unsigned int imr;
@@ -2050,22 +2042,30 @@
+ .irq_mask = ar2315_misc_irq_mask,
+};
+
-+static irqreturn_t ar2315_ahb_err_handler(int cpl, void *dev_id)
++/*
++ * Called when an interrupt is received, this function
++ * determines exactly which interrupt it was, and it
++ * invokes the appropriate handler.
++ *
++ * Implicitly, we also define interrupt priority by
++ * choosing which to dispatch first.
++ */
++static void ar2315_irq_dispatch(void)
+{
-+ ar231x_write_reg(AR2315_AHB_ERR0, AHB_ERROR_DET);
-+ ar231x_read_reg(AR2315_AHB_ERR1);
-+
-+ pr_emerg("AHB fatal error\n");
-+ machine_restart("AHB error"); /* Catastrophic failure */
++ int pending = read_c0_status() & read_c0_cause();
+
-+ return IRQ_HANDLED;
++ if (pending & CAUSEF_IP3)
++ do_IRQ(AR2315_IRQ_WLAN0_INTRS);
++ else if (pending & CAUSEF_IP4)
++ do_IRQ(AR2315_IRQ_ENET0_INTRS);
++ else if (pending & CAUSEF_IP2)
++ do_IRQ(AR2315_IRQ_MISC_INTRS);
++ else if (pending & CAUSEF_IP7)
++ do_IRQ(AR231X_IRQ_CPU_CLOCK);
++ else
++ spurious_interrupt();
+}
+
-+static struct irqaction ar2315_ahb_err_interrupt = {
-+ .handler = ar2315_ahb_err_handler,
-+ .name = "ar2315-ahb-error",
-+};
-+
+void __init ar2315_arch_init_irq(void)
+{
+ int i;
diff --git a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
index 3c66d86..6a370f4 100644
--- a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
+++ b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
@@ -371,7 +371,7 @@
+ default y
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
-@@ -76,6 +76,10 @@ static void ar2315_irq_dispatch(void)
+@@ -116,6 +116,10 @@ static void ar2315_irq_dispatch(void)
do_IRQ(AR2315_IRQ_WLAN0_INTRS);
else if (pending & CAUSEF_IP4)
do_IRQ(AR2315_IRQ_ENET0_INTRS);
--
2.0.4
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