From: Sunil V L <sunilvl@ventanamicro.com>
To: Andrew Jones <ajones@ventanamicro.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Paul Walmsley <paul.walmsley@sifive.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Conor Dooley <conor.dooley@microchip.com>,
Anup Patel <apatel@ventanamicro.com>,
Atish Patra <atishp@rivosinc.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [PATCH V2 14/21] irqchip/riscv-intc: Add ACPI support
Date: Fri, 24 Feb 2023 17:59:21 +0530 [thread overview]
Message-ID: <Y/itoXOnbmmYAwoJ@sunil-laptop> (raw)
In-Reply-To: <20230220193714.kuef6sfg7xmdyfty@orel>
On Mon, Feb 20, 2023 at 08:37:14PM +0100, Andrew Jones wrote:
> On Thu, Feb 16, 2023 at 11:50:36PM +0530, Sunil V L wrote:
> > Add support for initializing the RISC-V INTC driver on ACPI
> > platforms.
> >
> > Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> > ---
> > drivers/irqchip/irq-riscv-intc.c | 78 +++++++++++++++++++++++++++-----
> > 1 file changed, 66 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
> > index f229e3e66387..97a8db0fbc6c 100644
> > --- a/drivers/irqchip/irq-riscv-intc.c
> > +++ b/drivers/irqchip/irq-riscv-intc.c
> > @@ -6,6 +6,7 @@
> > */
> >
> > #define pr_fmt(fmt) "riscv-intc: " fmt
> > +#include <linux/acpi.h>
> > #include <linux/atomic.h>
> > #include <linux/bits.h>
> > #include <linux/cpu.h>
> > @@ -112,6 +113,30 @@ static struct fwnode_handle *riscv_intc_hwnode(void)
> > return intc_domain->fwnode;
> > }
> >
> > +static int __init riscv_intc_init_common(struct fwnode_handle *fn)
> > +{
> > + int rc;
> > +
> > + intc_domain = irq_domain_create_linear(fn, BITS_PER_LONG,
> > + &riscv_intc_domain_ops, NULL);
> > + if (!intc_domain) {
> > + pr_err("unable to add IRQ domain\n");
> > + return -ENXIO;
> > + }
> > +
> > + rc = set_handle_irq(&riscv_intc_irq);
> > + if (rc) {
> > + pr_err("failed to set irq handler\n");
> > + return rc;
> > + }
> > +
> > + riscv_set_intc_hwnode_fn(riscv_intc_hwnode);
> > +
> > + pr_info("%d local interrupts mapped\n", BITS_PER_LONG);
> > +
> > + return 0;
> > +}
> > +
> > static int __init riscv_intc_init(struct device_node *node,
> > struct device_node *parent)
> > {
> > @@ -133,24 +158,53 @@ static int __init riscv_intc_init(struct device_node *node,
> > if (riscv_hartid_to_cpuid(hartid) != smp_processor_id())
> > return 0;
> >
> > - intc_domain = irq_domain_add_linear(node, BITS_PER_LONG,
> > - &riscv_intc_domain_ops, NULL);
> > - if (!intc_domain) {
> > - pr_err("unable to add IRQ domain\n");
> > - return -ENXIO;
> > - }
> > -
> > - rc = set_handle_irq(&riscv_intc_irq);
> > + rc = riscv_intc_init_common(of_node_to_fwnode(node));
> > if (rc) {
> > - pr_err("failed to set irq handler\n");
> > + pr_err("failed to initialize INTC\n");
> > return rc;
> > }
> >
> > - riscv_set_intc_hwnode_fn(riscv_intc_hwnode);
> > + return 0;
> > +}
> >
> > - pr_info("%d local interrupts mapped\n", BITS_PER_LONG);
> > +IRQCHIP_DECLARE(riscv, "riscv,cpu-intc", riscv_intc_init);
> > +
> > +#ifdef CONFIG_ACPI
> > +
> > +static int __init
> > +riscv_intc_acpi_init(union acpi_subtable_headers *header,
> > + const unsigned long end)
>
> Please keep the function and its return type on the same line. We can go
> to 100 chars.
>
Yes, missed updating this instance. Thanks!
Thanks,
Sunil
next prev parent reply other threads:[~2023-02-24 12:29 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-16 18:20 [PATCH V2 00/21] Add basic ACPI support for RISC-V Sunil V L
2023-02-16 18:20 ` [PATCH V2 01/21] riscv: move sbi_init() earlier before jump_label_init() Sunil V L
2023-02-16 18:20 ` [PATCH V2 02/21] ACPICA: MADT: Add RISC-V INTC interrupt controller Sunil V L
2023-02-16 18:20 ` [PATCH V2 03/21] ACPICA: Add structure definitions for RISC-V RHCT Sunil V L
2023-02-16 18:20 ` [PATCH V2 04/21] RISC-V: Add support to build the ACPI core Sunil V L
2023-02-20 15:44 ` Andrew Jones
2023-02-24 9:00 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 05/21] ACPI: Kconfig: Enable ACPI_PROCESSOR for RISC-V Sunil V L
2023-02-20 16:05 ` Andrew Jones
2023-02-24 8:45 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 06/21] ACPI: OSL: Make should_use_kmap() 0 " Sunil V L
2023-02-16 18:20 ` [PATCH V2 07/21] ACPI: processor_core: RISC-V: Enable mapping processor to the hartid Sunil V L
2023-02-20 16:10 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 08/21] drivers/acpi: RISC-V: Add RHCT related code Sunil V L
2023-02-20 16:36 ` Andrew Jones
2023-02-24 12:03 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 09/21] RISC-V: smpboot: Create wrapper smp_setup() Sunil V L
2023-02-20 16:37 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 10/21] RISC-V: smpboot: Add ACPI support in smp_setup() Sunil V L
2023-02-20 17:08 ` Andrew Jones
2023-02-24 16:50 ` Sunil V L
2023-02-24 17:06 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 11/21] RISC-V: ACPI: Add a function to retrieve the hartid Sunil V L
2023-02-20 17:34 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 12/21] RISC-V: cpufeature: Add ACPI support in riscv_fill_hwcap() Sunil V L
2023-02-20 17:45 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 13/21] RISC-V: cpu: Enable cpuinfo for ACPI systems Sunil V L
2023-02-20 17:54 ` Andrew Jones
2023-02-24 12:27 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 14/21] irqchip/riscv-intc: Add ACPI support Sunil V L
2023-02-20 19:37 ` Andrew Jones
2023-02-24 12:29 ` Sunil V L [this message]
2023-02-16 18:20 ` [PATCH V2 15/21] clocksource/timer-riscv: Refactor riscv_timer_init_dt() Sunil V L
2023-02-20 19:47 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 16/21] clocksource/timer-riscv: Add ACPI support Sunil V L
2023-02-20 19:51 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 17/21] RISC-V: time.c: Add ACPI support for time_init() Sunil V L
2023-02-20 19:58 ` Andrew Jones
2023-02-24 12:33 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 18/21] RISC-V: Add ACPI initialization in setup_arch() Sunil V L
2023-02-20 20:07 ` Andrew Jones
2023-02-24 12:36 ` Sunil V L
2023-02-24 13:07 ` Andrew Jones
2023-02-24 14:44 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 19/21] RISC-V: Enable ACPI in defconfig Sunil V L
2023-02-20 20:09 ` Andrew Jones
2023-02-24 8:46 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 20/21] MAINTAINERS: Add entry for drivers/acpi/riscv Sunil V L
2023-02-20 20:14 ` Andrew Jones
2023-02-24 12:38 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 21/21] Documentation/kernel-parameters.txt: Add RISC-V for ACPI parameter Sunil V L
2023-02-20 20:15 ` Andrew Jones
2023-02-24 12:37 ` Sunil V L
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