From: Marc Zyngier <maz@kernel.org> To: Hector Martin <marcan@marcan.st> Cc: linux-arm-kernel@lists.infradead.org, Rob Herring <robh@kernel.org>, Arnd Bergmann <arnd@kernel.org>, Olof Johansson <olof@lixom.net>, Krzysztof Kozlowski <krzk@kernel.org>, Mark Kettenis <mark.kettenis@xs4all.nl>, Tony Lindgren <tony@atomide.com>, Mohamed Mediouni <mohamed.mediouni@caramail.com>, Stan Skowronek <stan@corellium.com>, Alexander Graf <graf@amazon.com>, Will Deacon <will@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Rutland <mark.rutland@arm.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jonathan Corbet <corbet@lwn.net>, Catalin Marinas <catalin.marinas@arm.com>, Christoph Hellwig <hch@infradead.org>, "David S. Miller" <davem@davemloft.net>, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-doc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFT PATCH v3 16/27] irqchip/apple-aic: Add support for the Apple Interrupt Controller Date: Mon, 08 Mar 2021 13:31:00 +0000 [thread overview] Message-ID: <874khlzsa3.wl-maz@kernel.org> (raw) In-Reply-To: <20210304213902.83903-17-marcan@marcan.st> On Thu, 04 Mar 2021 21:38:51 +0000, Hector Martin <marcan@marcan.st> wrote: > > This is the root interrupt controller used on Apple ARM SoCs such as the > M1. This irqchip driver performs multiple functions: > > * Handles both IRQs and FIQs > > * Drives the AIC peripheral itself (which handles IRQs) > > * Dispatches FIQs to downstream hard-wired clients (currently the ARM > timer). > > * Implements a virtual IPI multiplexer to funnel multiple Linux IPIs > into a single hardware IPI > [...] > Signed-off-by: Hector Martin <marcan@marcan.st> > +static void __exception_irq_entry aic_handle_irq(struct pt_regs *regs) > +{ > + struct aic_irq_chip *ic = aic_irqc; > + u32 event, type, irq; > + > + do { > + /* > + * We cannot use a relaxed read here, as DMA needs to be > + * ordered with respect to the IRQ firing. > + */ > + event = readl(ic->base + AIC_EVENT); > + type = FIELD_GET(AIC_EVENT_TYPE, event); > + irq = FIELD_GET(AIC_EVENT_NUM, event); > + > + if (type == AIC_EVENT_TYPE_HW) > + handle_domain_irq(aic_irqc->hw_domain, irq, regs); > + else if (type == AIC_EVENT_TYPE_IPI && irq == 1) > + aic_handle_ipi(regs); > + else if (event != 0) > + pr_err("Unknown IRQ event %d, %d\n", type, irq); > + } while (event); > + > + /* > + * vGIC maintenance interrupts end up here too, so we need to check > + * for them separately. Just report and disable vGIC for now, until > + * we implement this properly. > + */ > + if ((read_sysreg_s(SYS_ICH_HCR_EL2) & ICH_HCR_EN) && > + read_sysreg_s(SYS_ICH_MISR_EL2) != 0) { > + pr_err("vGIC IRQ fired, disabling.\n"); Please add a _ratelimited here. Whilst debugging KVM on this machine, I ended up with this firing at such a rate that it was impossible to do anything useful. Ratelimiting it allowed me to pinpoint the problem. [...] > +/* > + * FIQ irqchip > + */ > + > +static void aic_fiq_mask(struct irq_data *d) > +{ > + /* Only the guest timers have real mask bits, unfortunately. */ > + switch (d->hwirq) { > + case AIC_TMR_GUEST_PHYS: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, VM_TMR_FIQ_ENABLE_P, 0); > + break; > + case AIC_TMR_GUEST_VIRT: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, VM_TMR_FIQ_ENABLE_V, 0); > + break; > + } > +} > + > +static void aic_fiq_unmask(struct irq_data *d) > +{ > + switch (d->hwirq) { > + case AIC_TMR_GUEST_PHYS: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, 0, VM_TMR_FIQ_ENABLE_P); > + break; > + case AIC_TMR_GUEST_VIRT: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, 0, VM_TMR_FIQ_ENABLE_V); > + break; > + } > +} > + > +static void aic_fiq_eoi(struct irq_data *d) > +{ > + /* We mask to ack (where we can), so we need to unmask at EOI. */ > + if (!irqd_irq_disabled(d) && !irqd_irq_masked(d)) Ah, be careful here: irqd_irq_masked() doesn't do what you think it does for per-CPU interrupts. It's been on my list to fix for the rVIC implementation, but I never got around to doing it, and all decent ICs hide this from SW by having a HW-managed mask, similar to what is on the IRQ side. I can see two possibilities: - you can track the masked state directly and use that instead of these predicates - you can just drop the masking altogether as this is only useful to a hosted hypervisor (KVM), which will have to do its own masking behind the scenes anyway > + aic_fiq_unmask(d); > +} > + The rest looks good to me. Thanks, M. -- Without deviation from the norm, progress is not possible.
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org> To: Hector Martin <marcan@marcan.st> Cc: linux-arm-kernel@lists.infradead.org, Rob Herring <robh@kernel.org>, Arnd Bergmann <arnd@kernel.org>, Olof Johansson <olof@lixom.net>, Krzysztof Kozlowski <krzk@kernel.org>, Mark Kettenis <mark.kettenis@xs4all.nl>, Tony Lindgren <tony@atomide.com>, Mohamed Mediouni <mohamed.mediouni@caramail.com>, Stan Skowronek <stan@corellium.com>, Alexander Graf <graf@amazon.com>, Will Deacon <will@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Rutland <mark.rutland@arm.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jonathan Corbet <corbet@lwn.net>, Catalin Marinas <catalin.marinas@arm.com>, Christoph Hellwig <hch@infradead.org>, "David S. Miller" <davem@davemloft.net>, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-doc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFT PATCH v3 16/27] irqchip/apple-aic: Add support for the Apple Interrupt Controller Date: Mon, 08 Mar 2021 13:31:00 +0000 [thread overview] Message-ID: <874khlzsa3.wl-maz@kernel.org> (raw) In-Reply-To: <20210304213902.83903-17-marcan@marcan.st> On Thu, 04 Mar 2021 21:38:51 +0000, Hector Martin <marcan@marcan.st> wrote: > > This is the root interrupt controller used on Apple ARM SoCs such as the > M1. This irqchip driver performs multiple functions: > > * Handles both IRQs and FIQs > > * Drives the AIC peripheral itself (which handles IRQs) > > * Dispatches FIQs to downstream hard-wired clients (currently the ARM > timer). > > * Implements a virtual IPI multiplexer to funnel multiple Linux IPIs > into a single hardware IPI > [...] > Signed-off-by: Hector Martin <marcan@marcan.st> > +static void __exception_irq_entry aic_handle_irq(struct pt_regs *regs) > +{ > + struct aic_irq_chip *ic = aic_irqc; > + u32 event, type, irq; > + > + do { > + /* > + * We cannot use a relaxed read here, as DMA needs to be > + * ordered with respect to the IRQ firing. > + */ > + event = readl(ic->base + AIC_EVENT); > + type = FIELD_GET(AIC_EVENT_TYPE, event); > + irq = FIELD_GET(AIC_EVENT_NUM, event); > + > + if (type == AIC_EVENT_TYPE_HW) > + handle_domain_irq(aic_irqc->hw_domain, irq, regs); > + else if (type == AIC_EVENT_TYPE_IPI && irq == 1) > + aic_handle_ipi(regs); > + else if (event != 0) > + pr_err("Unknown IRQ event %d, %d\n", type, irq); > + } while (event); > + > + /* > + * vGIC maintenance interrupts end up here too, so we need to check > + * for them separately. Just report and disable vGIC for now, until > + * we implement this properly. > + */ > + if ((read_sysreg_s(SYS_ICH_HCR_EL2) & ICH_HCR_EN) && > + read_sysreg_s(SYS_ICH_MISR_EL2) != 0) { > + pr_err("vGIC IRQ fired, disabling.\n"); Please add a _ratelimited here. Whilst debugging KVM on this machine, I ended up with this firing at such a rate that it was impossible to do anything useful. Ratelimiting it allowed me to pinpoint the problem. [...] > +/* > + * FIQ irqchip > + */ > + > +static void aic_fiq_mask(struct irq_data *d) > +{ > + /* Only the guest timers have real mask bits, unfortunately. */ > + switch (d->hwirq) { > + case AIC_TMR_GUEST_PHYS: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, VM_TMR_FIQ_ENABLE_P, 0); > + break; > + case AIC_TMR_GUEST_VIRT: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, VM_TMR_FIQ_ENABLE_V, 0); > + break; > + } > +} > + > +static void aic_fiq_unmask(struct irq_data *d) > +{ > + switch (d->hwirq) { > + case AIC_TMR_GUEST_PHYS: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, 0, VM_TMR_FIQ_ENABLE_P); > + break; > + case AIC_TMR_GUEST_VIRT: > + sysreg_clear_set_s(SYS_APL_VM_TMR_FIQ_ENA_EL1, 0, VM_TMR_FIQ_ENABLE_V); > + break; > + } > +} > + > +static void aic_fiq_eoi(struct irq_data *d) > +{ > + /* We mask to ack (where we can), so we need to unmask at EOI. */ > + if (!irqd_irq_disabled(d) && !irqd_irq_masked(d)) Ah, be careful here: irqd_irq_masked() doesn't do what you think it does for per-CPU interrupts. It's been on my list to fix for the rVIC implementation, but I never got around to doing it, and all decent ICs hide this from SW by having a HW-managed mask, similar to what is on the IRQ side. I can see two possibilities: - you can track the masked state directly and use that instead of these predicates - you can just drop the masking altogether as this is only useful to a hosted hypervisor (KVM), which will have to do its own masking behind the scenes anyway > + aic_fiq_unmask(d); > +} > + The rest looks good to me. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-08 13:31 UTC|newest] Thread overview: 275+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-04 21:38 [RFT PATCH v3 00/27] Apple M1 SoC platform bring-up Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 01/27] arm64: Cope with CPUs stuck in VHE mode Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-24 18:05 ` Will Deacon 2021-03-24 18:05 ` Will Deacon 2021-03-24 20:00 ` Marc Zyngier 2021-03-24 20:00 ` Marc Zyngier 2021-03-26 7:54 ` Hector Martin 2021-03-26 7:54 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 02/27] dt-bindings: vendor-prefixes: Add apple prefix Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 20:26 ` Rob Herring 2021-03-08 20:26 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 03/27] dt-bindings: arm: apple: Add bindings for Apple ARM platforms Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:16 ` Linus Walleij 2021-03-05 10:16 ` Linus Walleij 2021-03-08 20:27 ` Rob Herring 2021-03-08 20:27 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple,firestorm & icestorm compatibles Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple, firestorm " Hector Martin 2021-03-08 20:27 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple,firestorm " Rob Herring 2021-03-08 20:27 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple, firestorm " Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 05/27] arm64: cputype: Add CPU implementor & types for the Apple M1 cores Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-24 18:13 ` Will Deacon 2021-03-24 18:13 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: Add interrupt-names support Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm, arch_timer: " Hector Martin 2021-03-05 10:18 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: " Linus Walleij 2021-03-05 10:18 ` Linus Walleij 2021-03-08 11:12 ` Marc Zyngier 2021-03-08 11:12 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm, arch_timer: " Marc Zyngier 2021-03-08 17:14 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: " Tony Lindgren 2021-03-08 17:14 ` Tony Lindgren 2021-03-08 20:38 ` Rob Herring 2021-03-08 20:38 ` Rob Herring 2021-03-08 22:42 ` Marc Zyngier 2021-03-08 22:42 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm, arch_timer: " Marc Zyngier 2021-03-09 16:11 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: " Rob Herring 2021-03-09 16:11 ` Rob Herring 2021-03-09 20:28 ` Hector Martin 2021-03-09 20:28 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 07/27] arm64: arch_timer: implement support for interrupt-names Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:19 ` Linus Walleij 2021-03-05 10:19 ` Linus Walleij 2021-03-08 11:13 ` Marc Zyngier 2021-03-08 11:13 ` Marc Zyngier 2021-03-04 21:38 ` [RFT PATCH v3 08/27] asm-generic/io.h: Add a non-posted variant of ioremap() Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 14:45 ` Andy Shevchenko 2021-03-05 14:45 ` Andy Shevchenko 2021-03-05 15:19 ` Hector Martin 2021-03-05 15:19 ` Hector Martin 2021-03-08 11:20 ` Marc Zyngier 2021-03-08 11:20 ` Marc Zyngier 2021-03-24 18:12 ` Will Deacon 2021-03-24 18:12 ` Will Deacon 2021-03-24 19:09 ` Arnd Bergmann 2021-03-24 19:09 ` Arnd Bergmann 2021-03-25 14:07 ` Hector Martin 2021-03-25 14:07 ` Hector Martin 2021-03-25 14:49 ` Will Deacon 2021-03-25 14:49 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 09/27] docs: driver-api: device-io: Document I/O access functions Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:22 ` Linus Walleij 2021-03-05 10:22 ` Linus Walleij 2021-03-04 21:38 ` [RFT PATCH v3 10/27] docs: driver-api: device-io: Document ioremap() variants & access funcs Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:25 ` Linus Walleij 2021-03-05 10:25 ` Linus Walleij 2021-03-05 15:09 ` Andy Shevchenko 2021-03-05 15:09 ` Andy Shevchenko 2021-03-05 15:51 ` Arnd Bergmann 2021-03-05 15:51 ` Arnd Bergmann 2021-03-09 20:29 ` Hector Martin 2021-03-09 20:29 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 11/27] arm64: Implement ioremap_np() to map MMIO as nGnRnE Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 11:22 ` Marc Zyngier 2021-03-08 11:22 ` Marc Zyngier 2021-03-24 18:18 ` Will Deacon 2021-03-24 18:18 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 12/27] of/address: Add infrastructure to declare MMIO as non-posted Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:28 ` Linus Walleij 2021-03-05 10:28 ` Linus Walleij 2021-03-05 15:13 ` Andy Shevchenko 2021-03-05 15:13 ` Andy Shevchenko 2021-03-05 15:55 ` Hector Martin 2021-03-05 15:55 ` Hector Martin 2021-03-05 16:08 ` Andy Shevchenko 2021-03-05 16:08 ` Andy Shevchenko 2021-03-05 16:43 ` Arnd Bergmann 2021-03-05 16:43 ` Arnd Bergmann 2021-03-05 17:19 ` Hector Martin 2021-03-05 17:19 ` Hector Martin 2021-03-05 16:05 ` Rob Herring 2021-03-05 16:05 ` Rob Herring 2021-03-05 17:39 ` Rob Herring 2021-03-05 17:39 ` Rob Herring 2021-03-05 18:18 ` Hector Martin 2021-03-05 18:18 ` Hector Martin 2021-03-05 21:17 ` Arnd Bergmann 2021-03-05 21:17 ` Arnd Bergmann 2021-03-08 15:56 ` Rob Herring 2021-03-08 15:56 ` Rob Herring 2021-03-08 20:29 ` Arnd Bergmann 2021-03-08 20:29 ` Arnd Bergmann 2021-03-08 21:13 ` Rob Herring 2021-03-08 21:13 ` Rob Herring 2021-03-08 21:56 ` Arnd Bergmann 2021-03-08 21:56 ` Arnd Bergmann 2021-03-09 15:48 ` Rob Herring 2021-03-09 15:48 ` Rob Herring 2021-03-09 20:23 ` Hector Martin 2021-03-09 20:23 ` Hector Martin 2021-03-09 22:06 ` Rob Herring 2021-03-09 22:06 ` Rob Herring 2021-03-10 8:26 ` Hector Martin 2021-03-10 8:26 ` Hector Martin 2021-03-10 17:01 ` Rob Herring 2021-03-10 17:01 ` Rob Herring 2021-03-11 9:12 ` Arnd Bergmann 2021-03-11 9:12 ` Arnd Bergmann 2021-03-11 12:11 ` Hector Martin 2021-03-11 12:11 ` Hector Martin 2021-03-11 13:35 ` Arnd Bergmann 2021-03-11 13:35 ` Arnd Bergmann 2021-03-11 16:07 ` Rob Herring 2021-03-11 16:07 ` Rob Herring 2021-03-11 16:48 ` Arnd Bergmann 2021-03-11 16:48 ` Arnd Bergmann 2021-03-11 18:10 ` Rob Herring 2021-03-11 18:10 ` Rob Herring 2021-03-12 10:20 ` Arnd Bergmann 2021-03-12 10:20 ` Arnd Bergmann 2021-03-09 11:14 ` Linus Walleij 2021-03-09 11:14 ` Linus Walleij 2021-03-09 12:41 ` Arnd Bergmann 2021-03-09 12:41 ` Arnd Bergmann 2021-03-09 15:40 ` Linus Walleij 2021-03-09 15:40 ` Linus Walleij 2021-03-04 21:38 ` [RFT PATCH v3 13/27] arm64: Add Apple vendor-specific system registers Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-24 18:38 ` Will Deacon 2021-03-24 18:38 ` Will Deacon 2021-03-24 18:59 ` Mark Rutland 2021-03-24 18:59 ` Mark Rutland 2021-03-24 19:04 ` Will Deacon 2021-03-24 19:04 ` Will Deacon 2021-03-26 6:23 ` Hector Martin 2021-03-26 6:23 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 14/27] arm64: move ICH_ sysreg bits from arm-gic-v3.h to sysreg.h Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 11:39 ` Marc Zyngier 2021-03-08 11:39 ` Marc Zyngier 2021-03-24 18:23 ` Will Deacon 2021-03-24 18:23 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 15/27] dt-bindings: interrupt-controller: Add DT bindings for apple-aic Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 21:16 ` Rob Herring 2021-03-08 21:16 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 16/27] irqchip/apple-aic: Add support for the Apple Interrupt Controller Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 15:05 ` Andy Shevchenko 2021-03-05 15:05 ` Andy Shevchenko 2021-03-08 11:50 ` Marc Zyngier 2021-03-08 11:50 ` Marc Zyngier 2021-03-08 12:02 ` Andy Shevchenko 2021-03-08 12:02 ` Andy Shevchenko 2021-03-26 13:40 ` Hector Martin 2021-03-26 13:40 ` Hector Martin 2021-03-08 13:31 ` Marc Zyngier [this message] 2021-03-08 13:31 ` Marc Zyngier 2021-03-26 7:57 ` Hector Martin 2021-03-26 7:57 ` Hector Martin 2021-03-24 19:57 ` Will Deacon 2021-03-24 19:57 ` Will Deacon 2021-03-26 8:58 ` Hector Martin 2021-03-26 8:58 ` Hector Martin 2021-03-29 12:04 ` Will Deacon 2021-03-29 12:04 ` Will Deacon 2021-04-01 13:16 ` Hector Martin 2021-04-01 13:16 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 17/27] arm64: Kconfig: Introduce CONFIG_ARCH_APPLE Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 15:35 ` Marc Zyngier 2021-03-08 15:35 ` Marc Zyngier 2021-03-09 20:30 ` Hector Martin 2021-03-09 20:30 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 18/27] tty: serial: samsung_tty: Separate S3C64XX ops structure Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:30 ` Krzysztof Kozlowski 2021-03-05 10:30 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 19/27] tty: serial: samsung_tty: Add ucon_mask parameter Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:34 ` Krzysztof Kozlowski 2021-03-05 10:34 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 20/27] tty: serial: samsung_tty: Add s3c24xx_port_type Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:49 ` Krzysztof Kozlowski 2021-03-05 10:49 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 21/27] tty: serial: samsung_tty: IRQ rework Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:51 ` Krzysztof Kozlowski 2021-03-05 10:51 ` Krzysztof Kozlowski 2021-03-05 15:17 ` Andy Shevchenko 2021-03-05 15:17 ` Andy Shevchenko 2021-03-05 16:16 ` Hector Martin 2021-03-05 16:16 ` Hector Martin 2021-03-05 16:20 ` Andy Shevchenko 2021-03-05 16:20 ` Andy Shevchenko 2021-03-05 16:29 ` Hector Martin 2021-03-05 16:29 ` Hector Martin 2021-03-07 11:34 ` Krzysztof Kozlowski 2021-03-07 11:34 ` Krzysztof Kozlowski 2021-03-07 16:01 ` Arnd Bergmann 2021-03-07 16:01 ` Arnd Bergmann 2021-03-07 19:51 ` Krzysztof Kozlowski 2021-03-07 19:51 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 22/27] tty: serial: samsung_tty: Use devm_ioremap_resource Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:54 ` Krzysztof Kozlowski 2021-03-05 10:54 ` Krzysztof Kozlowski 2021-03-05 15:19 ` Andy Shevchenko 2021-03-05 15:19 ` Andy Shevchenko 2021-03-04 21:38 ` [RFT PATCH v3 23/27] dt-bindings: serial: samsung: Add apple,s5l-uart compatible Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 23/27] dt-bindings: serial: samsung: Add apple, s5l-uart compatible Hector Martin 2021-03-08 21:17 ` [RFT PATCH v3 23/27] dt-bindings: serial: samsung: Add apple,s5l-uart compatible Rob Herring 2021-03-08 21:17 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 24/27] tty: serial: samsung_tty: Add support for Apple UARTs Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:58 ` Krzysztof Kozlowski 2021-03-05 10:58 ` Krzysztof Kozlowski 2021-03-05 15:28 ` Andy Shevchenko 2021-03-05 15:28 ` Andy Shevchenko 2021-03-05 17:04 ` Hector Martin 2021-03-05 17:04 ` Hector Martin 2021-03-07 11:40 ` Krzysztof Kozlowski 2021-03-07 11:40 ` Krzysztof Kozlowski 2021-03-04 21:39 ` [RFT PATCH v3 25/27] tty: serial: samsung_tty: Add earlycon " Hector Martin 2021-03-04 21:39 ` Hector Martin 2021-03-05 10:55 ` Krzysztof Kozlowski 2021-03-05 10:55 ` Krzysztof Kozlowski 2021-03-10 23:11 ` Linus Walleij 2021-03-10 23:11 ` Linus Walleij 2021-03-04 21:39 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple,simple-framebuffer Hector Martin 2021-03-04 21:39 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple, simple-framebuffer Hector Martin 2021-03-08 21:18 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple,simple-framebuffer Rob Herring 2021-03-08 21:18 ` Rob Herring 2021-03-09 16:37 ` Linus Walleij 2021-03-09 16:37 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple, simple-framebuffer Linus Walleij 2021-03-09 20:35 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple,simple-framebuffer Hector Martin 2021-03-09 20:35 ` Hector Martin 2021-03-04 21:39 ` [RFT PATCH v3 27/27] arm64: apple: Add initial Apple Mac mini (M1, 2020) devicetree Hector Martin 2021-03-04 21:39 ` Hector Martin 2021-03-05 11:03 ` Krzysztof Kozlowski 2021-03-05 11:03 ` Krzysztof Kozlowski 2021-03-05 11:14 ` Hector Martin 2021-03-05 11:14 ` Hector Martin 2021-03-05 11:45 ` Krzysztof Kozlowski 2021-03-05 11:45 ` Krzysztof Kozlowski 2021-03-05 15:59 ` Mark Kettenis 2021-03-05 15:59 ` Mark Kettenis 2021-03-05 16:50 ` Hector Martin 2021-03-05 16:50 ` Hector Martin 2021-03-13 20:22 ` Konrad Dybcio 2021-04-05 5:50 ` Hector Martin 2021-04-06 7:14 ` Arnd Bergmann 2021-03-05 10:11 ` [RFT PATCH v3 00/27] Apple M1 SoC platform bring-up Hector Martin 2021-03-05 10:11 ` Hector Martin
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