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f5919b65d4
Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
73 lines
1.9 KiB
Diff
73 lines
1.9 KiB
Diff
From 7f270d81a7a2bda471606d6334672c88354483e5 Mon Sep 17 00:00:00 2001
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From: Michael Zoran <mzoran@crowfest.net>
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Date: Sat, 14 Jan 2017 21:43:57 -0800
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Subject: [PATCH 103/454] ARM64: Round-Robin dispatch IRQs between CPUs.
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IRQ-CPU mapping is round robined on ARM64 to increase
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concurrency and allow multiple interrupts to be serviced
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at a time. This reduces the need for FIQ.
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Signed-off-by: Michael Zoran <mzoran@crowfest.net>
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---
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drivers/irqchip/irq-bcm2835.c | 15 ++++++++++++++-
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drivers/irqchip/irq-bcm2836.c | 21 +++++++++++++++++++++
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2 files changed, 35 insertions(+), 1 deletion(-)
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--- a/drivers/irqchip/irq-bcm2835.c
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+++ b/drivers/irqchip/irq-bcm2835.c
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@@ -168,10 +168,23 @@ static void armctrl_unmask_irq(struct ir
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}
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}
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+#ifdef CONFIG_ARM64
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+void bcm2836_arm_irqchip_spin_gpu_irq(void);
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+
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+static void armctrl_ack_irq(struct irq_data *d)
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+{
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+ bcm2836_arm_irqchip_spin_gpu_irq();
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+}
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+
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+#endif
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+
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static struct irq_chip armctrl_chip = {
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.name = "ARMCTRL-level",
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.irq_mask = armctrl_mask_irq,
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- .irq_unmask = armctrl_unmask_irq
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+ .irq_unmask = armctrl_unmask_irq,
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+#ifdef CONFIG_ARM64
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+ .irq_ack = armctrl_ack_irq
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+#endif
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};
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static int armctrl_xlate(struct irq_domain *d, struct device_node *ctrlr,
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--- a/drivers/irqchip/irq-bcm2836.c
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+++ b/drivers/irqchip/irq-bcm2836.c
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@@ -145,6 +145,27 @@ static void bcm2836_arm_irqchip_unmask_g
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{
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}
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+#ifdef CONFIG_ARM64
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+
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+void bcm2836_arm_irqchip_spin_gpu_irq(void)
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+{
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+ u32 i;
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+ void __iomem *gpurouting = (intc.base + LOCAL_GPU_ROUTING);
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+ u32 routing_val = readl(gpurouting);
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+
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+ for (i = 1; i <= 3; i++) {
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+ u32 new_routing_val = (routing_val + i) & 3;
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+
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+ if (cpu_active(new_routing_val)) {
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+ writel(new_routing_val, gpurouting);
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+ return;
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+ }
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+ }
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+}
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+EXPORT_SYMBOL(bcm2836_arm_irqchip_spin_gpu_irq);
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+
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+#endif
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+
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static struct irq_chip bcm2836_arm_irqchip_gpu = {
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.name = "bcm2836-gpu",
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.irq_mask = bcm2836_arm_irqchip_mask_gpu_irq,
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