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atheros: v3.18: rearrange interrupt handling functions

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No functional changes, just change functions order in source file.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>

SVN-Revision: 44714
This commit is contained in:
Felix Fietkau 2015-03-13 02:59:19 +00:00
parent 2f1ff48ea3
commit cdabe30755
2 changed files with 72 additions and 72 deletions
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142
target/linux/atheros/patches-3.18/100-board.patch
View File

@ -1526,6 +1526,25 @@
+#include "devices.h" +#include "devices.h"
+#include "ar5312.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) +static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+{ +{
+ unsigned int ar231x_misc_intrs = ar231x_read_reg(AR5312_ISR) & + unsigned int ar231x_misc_intrs = ar231x_read_reg(AR5312_ISR) &
@ -1544,26 +1563,6 @@
+ spurious_interrupt(); + 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 */ +/* Enable the specified AR5312_MISC_IRQ interrupt */
+static void ar5312_misc_irq_unmask(struct irq_data *d) +static void ar5312_misc_irq_unmask(struct irq_data *d)
+{ +{
@ -1591,25 +1590,26 @@
+ .irq_mask = ar5312_misc_irq_mask, + .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); + int pending = read_c0_status() & read_c0_cause();
+ 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", + if (pending & CAUSEF_IP2)
+ proc_addr, proc1, dma_addr, dma1); + do_IRQ(AR5312_IRQ_WLAN0_INTRS);
+ + else if (pending & CAUSEF_IP3)
+ machine_restart("AHB error"); /* Catastrophic failure */ + do_IRQ(AR5312_IRQ_ENET0_INTRS);
+ return IRQ_HANDLED; + 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) +void __init ar5312_arch_init_irq(void)
+{ +{
+ int i; + int i;
@ -1979,6 +1979,22 @@
+#include "devices.h" +#include "devices.h"
+#include "ar2315.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) +static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+{ +{
+ unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) & + unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) &
@ -2002,30 +2018,6 @@
+ spurious_interrupt(); + 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) +static void ar2315_misc_irq_unmask(struct irq_data *d)
+{ +{
+ unsigned int imr; + unsigned int imr;
@ -2050,22 +2042,30 @@
+ .irq_mask = ar2315_misc_irq_mask, + .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); + int pending = read_c0_status() & read_c0_cause();
+ ar231x_read_reg(AR2315_AHB_ERR1);
+ +
+ pr_emerg("AHB fatal error\n"); + if (pending & CAUSEF_IP3)
+ machine_restart("AHB error"); /* Catastrophic failure */ + do_IRQ(AR2315_IRQ_WLAN0_INTRS);
+ + else if (pending & CAUSEF_IP4)
+ return IRQ_HANDLED; + 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) +void __init ar2315_arch_init_irq(void)
+{ +{
+ int i; + int i;

2
target/linux/atheros/patches-3.18/105-ar2315_pci.patch
View File

@ -371,7 +371,7 @@
+ default y + default y
--- a/arch/mips/ath25/ar2315.c --- a/arch/mips/ath25/ar2315.c
+++ b/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); do_IRQ(AR2315_IRQ_WLAN0_INTRS);
else if (pending & CAUSEF_IP4) else if (pending & CAUSEF_IP4)
do_IRQ(AR2315_IRQ_ENET0_INTRS); do_IRQ(AR2315_IRQ_ENET0_INTRS);