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Date: Sun, 25 Jan 2015 15:25:08 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
cc: LKML <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Ingo Molnar <mingo@...nel.org>,
"H. Peter Anvin" <hpa@...or.com>
Subject: [GIT pull] irq fixes for 3.19
Linus,
please pull the latest irq-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus
>From the irqchip departement you get:
- Regression fix for omap-intc
- Regression fix for atmel-aic-common
- Functional correctness fix for hip04
- Type mismatch fix for gic-v3-its
- Proper error pointer check for mtd-sysirq
Mostly one and two liners except for the omap regression fix which is
slightly larger than desired.
Thanks,
tglx
------------------>
Felipe Balbi (1):
irqchip: omap-intc: Fix legacy DMA regression
Gavin Li (1):
irqchip: atmel-aic-common: Prevent clobbering of priority when changing IRQ type
Wang Long (1):
irqchip: hip04: Initialize hip04_cpu_map to 0xffff
Will Deacon (1):
irqchip: gic-v3-its: Fix use of max with decimal constant
Yingjoe Chen (1):
irqchip: mtk-sysirq: Use IS_ERR() instead of NULL pointer check
drivers/irqchip/irq-atmel-aic-common.c | 4 ++--
drivers/irqchip/irq-gic-v3-its.c | 2 +-
drivers/irqchip/irq-hip04.c | 2 +-
drivers/irqchip/irq-mtk-sysirq.c | 4 ++--
drivers/irqchip/irq-omap-intc.c | 26 +++++++++++++++++++++-----
5 files changed, 27 insertions(+), 11 deletions(-)
diff --git a/drivers/irqchip/irq-atmel-aic-common.c b/drivers/irqchip/irq-atmel-aic-common.c
index d111ac779c40..63cd031b2c28 100644
--- a/drivers/irqchip/irq-atmel-aic-common.c
+++ b/drivers/irqchip/irq-atmel-aic-common.c
@@ -28,7 +28,7 @@
#define AT91_AIC_IRQ_MIN_PRIORITY 0
#define AT91_AIC_IRQ_MAX_PRIORITY 7
-#define AT91_AIC_SRCTYPE GENMASK(7, 6)
+#define AT91_AIC_SRCTYPE GENMASK(6, 5)
#define AT91_AIC_SRCTYPE_LOW (0 << 5)
#define AT91_AIC_SRCTYPE_FALLING (1 << 5)
#define AT91_AIC_SRCTYPE_HIGH (2 << 5)
@@ -74,7 +74,7 @@ int aic_common_set_type(struct irq_data *d, unsigned type, unsigned *val)
return -EINVAL;
}
- *val &= AT91_AIC_SRCTYPE;
+ *val &= ~AT91_AIC_SRCTYPE;
*val |= aic_type;
return 0;
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 86e4684adeb1..d8996bdf0f61 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1053,7 +1053,7 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id,
* of two entries. No, the architecture doesn't let you
* express an ITT with a single entry.
*/
- nr_ites = max(2, roundup_pow_of_two(nvecs));
+ nr_ites = max(2UL, roundup_pow_of_two(nvecs));
sz = nr_ites * its->ite_size;
sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1;
itt = kmalloc(sz, GFP_KERNEL);
diff --git a/drivers/irqchip/irq-hip04.c b/drivers/irqchip/irq-hip04.c
index 29b8f21b74d0..6bc2deb73d53 100644
--- a/drivers/irqchip/irq-hip04.c
+++ b/drivers/irqchip/irq-hip04.c
@@ -381,7 +381,7 @@ hip04_of_init(struct device_node *node, struct device_node *parent)
* It will be refined as each CPU probes its ID.
*/
for (i = 0; i < NR_HIP04_CPU_IF; i++)
- hip04_cpu_map[i] = 0xff;
+ hip04_cpu_map[i] = 0xffff;
/*
* Find out how many interrupts are supported.
diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 7e342df6a62f..0b0d2c00a2df 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -137,9 +137,9 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
return -ENOMEM;
chip_data->intpol_base = of_io_request_and_map(node, 0, "intpol");
- if (!chip_data->intpol_base) {
+ if (IS_ERR(chip_data->intpol_base)) {
pr_err("mtk_sysirq: unable to map sysirq register\n");
- ret = -ENOMEM;
+ ret = PTR_ERR(chip_data->intpol_base);
goto out_free;
}
diff --git a/drivers/irqchip/irq-omap-intc.c b/drivers/irqchip/irq-omap-intc.c
index 28718d3e8281..c03f140acbae 100644
--- a/drivers/irqchip/irq-omap-intc.c
+++ b/drivers/irqchip/irq-omap-intc.c
@@ -263,7 +263,7 @@ static int __init omap_init_irq_of(struct device_node *node)
return ret;
}
-static int __init omap_init_irq_legacy(u32 base)
+static int __init omap_init_irq_legacy(u32 base, struct device_node *node)
{
int j, irq_base;
@@ -277,7 +277,7 @@ static int __init omap_init_irq_legacy(u32 base)
irq_base = 0;
}
- domain = irq_domain_add_legacy(NULL, omap_nr_irqs, irq_base, 0,
+ domain = irq_domain_add_legacy(node, omap_nr_irqs, irq_base, 0,
&irq_domain_simple_ops, NULL);
omap_irq_soft_reset();
@@ -301,10 +301,26 @@ static int __init omap_init_irq(u32 base, struct device_node *node)
{
int ret;
- if (node)
+ /*
+ * FIXME legacy OMAP DMA driver sitting under arch/arm/plat-omap/dma.c
+ * depends is still not ready for linear IRQ domains; because of that
+ * we need to temporarily "blacklist" OMAP2 and OMAP3 devices from using
+ * linear IRQ Domain until that driver is finally fixed.
+ */
+ if (of_device_is_compatible(node, "ti,omap2-intc") ||
+ of_device_is_compatible(node, "ti,omap3-intc")) {
+ struct resource res;
+
+ if (of_address_to_resource(node, 0, &res))
+ return -ENOMEM;
+
+ base = res.start;
+ ret = omap_init_irq_legacy(base, node);
+ } else if (node) {
ret = omap_init_irq_of(node);
- else
- ret = omap_init_irq_legacy(base);
+ } else {
+ ret = omap_init_irq_legacy(base, NULL);
+ }
if (ret == 0)
omap_irq_enable_protection();
--
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