openwrt/target/linux/lantiq/patches-4.4/0047-irq-fixes.patch
Stijn Segers 215c1d05b8 kernel: update kernel 4.4 to 4.4.69
Bump the 17.01 tree kernel to 4.4.69. Trunk 4.4 and 17.01 4.4 have diverged, talked this
through with jow, he was okay with a clean diff against 17.01 and not a backported trunk
patch.

The following patches were applied upstream:

* 062-[1-6]-MIPS-* series
* 042-0004-mtd-bcm47xxpart-fix-parsing-first-block

Reintroduced lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup, as
it was incorrectly included upstream thus dropped from LEDE, but subsequently
reverted upstream. Thanks to Kevin Darbyshire-Bryant for pointing me to it.

  Compile-tested on: ar71xx, ramips/mt7621, x86/64.

  Run-tested on: ar71xx, ramips/mt7621, x86/64.

Signed-off-by: Stijn Segers <francesco.borromini@inventati.org>
2017-05-24 22:47:01 +02:00

79 lines
2.4 KiB
Diff

--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -67,7 +67,7 @@ int gic_present;
#endif
static int exin_avail;
-static struct resource ltq_eiu_irq[MAX_EIU];
+static u32 ltq_eiu_irq[MAX_EIU];
static void __iomem *ltq_icu_membase[MAX_IM];
static void __iomem *ltq_eiu_membase;
static struct irq_domain *ltq_domain;
@@ -76,7 +76,7 @@ static int ltq_perfcount_irq;
int ltq_eiu_get_irq(int exin)
{
if (exin < exin_avail)
- return ltq_eiu_irq[exin].start;
+ return ltq_eiu_irq[exin];
return -1;
}
@@ -128,7 +128,7 @@ static int ltq_eiu_settype(struct irq_da
int i;
for (i = 0; i < MAX_EIU; i++) {
- if (d->hwirq == ltq_eiu_irq[i].start) {
+ if (d->hwirq == ltq_eiu_irq[i]) {
int val = 0;
int edge = 0;
@@ -176,7 +176,7 @@ static unsigned int ltq_startup_eiu_irq(
ltq_enable_irq(d);
for (i = 0; i < MAX_EIU; i++) {
- if (d->hwirq == ltq_eiu_irq[i].start) {
+ if (d->hwirq == ltq_eiu_irq[i]) {
/* by default we are low level triggered */
ltq_eiu_settype(d, IRQF_TRIGGER_LOW);
/* clear all pending */
@@ -198,7 +198,7 @@ static void ltq_shutdown_eiu_irq(struct
ltq_disable_irq(d);
for (i = 0; i < MAX_EIU; i++) {
- if (d->hwirq == ltq_eiu_irq[i].start) {
+ if (d->hwirq == ltq_eiu_irq[i]) {
/* disable */
ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~BIT(i),
LTQ_EIU_EXIN_INEN);
@@ -343,10 +343,10 @@ static int icu_map(struct irq_domain *d,
return 0;
for (i = 0; i < exin_avail; i++)
- if (hw == ltq_eiu_irq[i].start)
+ if (hw == ltq_eiu_irq[i])
chip = &ltq_eiu_type;
- irq_set_chip_and_handler(hw, chip, handle_level_irq);
+ irq_set_chip_and_handler(irq, chip, handle_level_irq);
return 0;
}
@@ -441,14 +441,14 @@ int __init icu_of_init(struct device_nod
eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway");
if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) {
/* find out how many external irq sources we have */
- exin_avail = of_irq_count(eiu_node);
+ exin_avail = of_property_count_u32_elems(eiu_node, "lantiq,eiu-irqs");
if (exin_avail > MAX_EIU)
exin_avail = MAX_EIU;
- ret = of_irq_to_resource_table(eiu_node,
+ ret = of_property_read_u32_array(eiu_node, "lantiq,eiu-irqs",
ltq_eiu_irq, exin_avail);
- if (ret != exin_avail)
+ if (ret)
panic("failed to load external irq resources");
if (!request_mem_region(res.start, resource_size(&res),