Re: [PATCH v3 14/25] irq_domain: Remove irq_domain_add_simple()
On Fri, Jan 27, 2012 at 02:36:08PM -0700, Grant Likely wrote: irq_domain_add_simple() was a stop-gap measure until complete irq_domain support was complete. This patch removes the irq_domain_add_simple() interface. v2: Updated to pass in host_data pointer on irq_domain allocation. Signed-off-by: Grant Likely grant.lik...@secretlab.ca Cc: Rob Herring rob.herr...@calxeda.com Cc: Thomas Gleixner t...@linutronix.de Cc: Milton Miller milt...@bga.com --- arch/arm/mach-imx/mach-imx6q.c |3 ++- arch/arm/mach-msm/board-msm8x60.c |8 ++-- arch/arm/mach-mx5/imx51-dt.c|4 ++-- arch/arm/mach-mx5/imx53-dt.c|4 ++-- arch/arm/mach-omap2/board-generic.c |2 +- arch/arm/mach-prima2/irq.c |2 +- drivers/mfd/twl-core.c |2 +- include/linux/irqdomain.h |1 - kernel/irq/irqdomain.c | 10 ++ 9 files changed, 13 insertions(+), 23 deletions(-) ... --- a/arch/arm/mach-mx5/imx51-dt.c +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -47,7 +47,7 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - irq_domain_add_simple(np, 0); + irq_domain_add_legacy(np, 32, 0, 0, irq_domain_simple_ops, NULL); return 0; } @@ -57,7 +57,7 @@ static int __init imx51_gpio_add_irq_domain(struct device_node *np, static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; gpio_irq_base -= 32; - irq_domain_add_simple(np, gpio_irq_base); + irq_domain_add_legacy(np, 32, gpio_irq_base, 0, irq_domain_simple_ops, NULL); The tzic on imx5 gets 128 irq lines rather than 32 here. The current code will make any hwirq that is 32 hit the WARN_ON below in irq_domain_legacy_revmap(). WARN_ON(hwirq first_hwirq || hwirq = first_hwirq + size) The first_hwirq is 0 and size is 32 in this case. Changing 32 to 128 seems fixing the problem. return 0; } diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c index 05ebb3e..89de5d4 100644 --- a/arch/arm/mach-mx5/imx53-dt.c +++ b/arch/arm/mach-mx5/imx53-dt.c @@ -51,7 +51,7 @@ static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { static int __init imx53_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - irq_domain_add_simple(np, 0); + irq_domain_add_legacy(np, 32, 0, 0, irq_domain_simple_ops, NULL); Ditto Regards, Shawn return 0; } @@ -61,7 +61,7 @@ static int __init imx53_gpio_add_irq_domain(struct device_node *np, static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; gpio_irq_base -= 32; - irq_domain_add_simple(np, gpio_irq_base); + irq_domain_add_legacy(np, 32, gpio_irq_base, 0, irq_domain_simple_ops, NULL); return 0; } ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH v3 14/25] irq_domain: Remove irq_domain_add_simple()
Shawn, On 01/31/2012 06:45 AM, Shawn Guo wrote: On Fri, Jan 27, 2012 at 02:36:08PM -0700, Grant Likely wrote: irq_domain_add_simple() was a stop-gap measure until complete irq_domain support was complete. This patch removes the irq_domain_add_simple() interface. v2: Updated to pass in host_data pointer on irq_domain allocation. Signed-off-by: Grant Likely grant.lik...@secretlab.ca Cc: Rob Herring rob.herr...@calxeda.com Cc: Thomas Gleixner t...@linutronix.de Cc: Milton Miller milt...@bga.com --- arch/arm/mach-imx/mach-imx6q.c |3 ++- arch/arm/mach-msm/board-msm8x60.c |8 ++-- arch/arm/mach-mx5/imx51-dt.c|4 ++-- arch/arm/mach-mx5/imx53-dt.c|4 ++-- arch/arm/mach-omap2/board-generic.c |2 +- arch/arm/mach-prima2/irq.c |2 +- drivers/mfd/twl-core.c |2 +- include/linux/irqdomain.h |1 - kernel/irq/irqdomain.c | 10 ++ 9 files changed, 13 insertions(+), 23 deletions(-) ... --- a/arch/arm/mach-mx5/imx51-dt.c +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -47,7 +47,7 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { -irq_domain_add_simple(np, 0); +irq_domain_add_legacy(np, 32, 0, 0, irq_domain_simple_ops, NULL); return 0; } @@ -57,7 +57,7 @@ static int __init imx51_gpio_add_irq_domain(struct device_node *np, static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; gpio_irq_base -= 32; -irq_domain_add_simple(np, gpio_irq_base); +irq_domain_add_legacy(np, 32, gpio_irq_base, 0, irq_domain_simple_ops, NULL); The tzic on imx5 gets 128 irq lines rather than 32 here. The current code will make any hwirq that is 32 hit the WARN_ON below in irq_domain_legacy_revmap(). But this is the gpio controller code? Really this should be 4 domains, but this temp fix is probably fine until you use my generic irq chip support. Rob WARN_ON(hwirq first_hwirq || hwirq = first_hwirq + size) The first_hwirq is 0 and size is 32 in this case. Changing 32 to 128 seems fixing the problem. ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH v3 14/25] irq_domain: Remove irq_domain_add_simple()
On Tue, Jan 31, 2012 at 07:15:26AM -0600, Rob Herring wrote: ... --- a/arch/arm/mach-mx5/imx51-dt.c +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -47,7 +47,7 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - irq_domain_add_simple(np, 0); + irq_domain_add_legacy(np, 32, 0, 0, irq_domain_simple_ops, NULL); return 0; } @@ -57,7 +57,7 @@ static int __init imx51_gpio_add_irq_domain(struct device_node *np, static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; gpio_irq_base -= 32; - irq_domain_add_simple(np, gpio_irq_base); + irq_domain_add_legacy(np, 32, gpio_irq_base, 0, irq_domain_simple_ops, NULL); The tzic on imx5 gets 128 irq lines rather than 32 here. The current code will make any hwirq that is 32 hit the WARN_ON below in irq_domain_legacy_revmap(). But this is the gpio controller code? Really this should be 4 domains, but this temp fix is probably fine until you use my generic irq chip support. Sorry. The comment was put at the wrong place. It should be against imx51_tzic_add_irq_domain() just above. -- Regards, Shawn ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH v3 14/25] irq_domain: Remove irq_domain_add_simple()
On Tue, Jan 31, 2012 at 09:58:22PM +0800, Shawn Guo wrote: On Tue, Jan 31, 2012 at 07:15:26AM -0600, Rob Herring wrote: ... --- a/arch/arm/mach-mx5/imx51-dt.c +++ b/arch/arm/mach-mx5/imx51-dt.c @@ -47,7 +47,7 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { -irq_domain_add_simple(np, 0); +irq_domain_add_legacy(np, 32, 0, 0, irq_domain_simple_ops, NULL); return 0; } @@ -57,7 +57,7 @@ static int __init imx51_gpio_add_irq_domain(struct device_node *np, static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; gpio_irq_base -= 32; -irq_domain_add_simple(np, gpio_irq_base); +irq_domain_add_legacy(np, 32, gpio_irq_base, 0, irq_domain_simple_ops, NULL); The tzic on imx5 gets 128 irq lines rather than 32 here. The current code will make any hwirq that is 32 hit the WARN_ON below in irq_domain_legacy_revmap(). But this is the gpio controller code? Really this should be 4 domains, but this temp fix is probably fine until you use my generic irq chip support. Sorry. The comment was put at the wrong place. It should be against imx51_tzic_add_irq_domain() just above. I didn't know how large the bank was, so I just assumed 32. If it should be 128 then I'll change it. Please confirm (or reply with a fixup patch) g. ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev