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e2e2fc3cd0
Add updated patches for 6.6. DMA/cache-handling patches have been reworked / backported from upstream. Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
66 lines
2.3 KiB
Diff
66 lines
2.3 KiB
Diff
From ab04dadb45a4150c9fd55b97fdd7397f4739a629 Mon Sep 17 00:00:00 2001
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From: Minda Chen <minda.chen@starfivetech.com>
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Date: Mon, 8 Jan 2024 19:06:01 +0800
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Subject: [PATCH 024/116] PCI: microchip: Add num_events field to struct
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plda_pcie_rp
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The number of events is different across platforms. In order to share
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interrupt processing code, add a variable that defines the number of
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events so that it can be set per-platform instead of hardcoding it.
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Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
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Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
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---
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drivers/pci/controller/plda/pcie-microchip-host.c | 8 +++++---
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drivers/pci/controller/plda/pcie-plda.h | 1 +
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2 files changed, 6 insertions(+), 3 deletions(-)
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--- a/drivers/pci/controller/plda/pcie-microchip-host.c
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+++ b/drivers/pci/controller/plda/pcie-microchip-host.c
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@@ -653,7 +653,7 @@ static void plda_handle_event(struct irq
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events = mc_get_events(port);
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- for_each_set_bit(bit, &events, NUM_EVENTS)
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+ for_each_set_bit(bit, &events, port->num_events)
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generic_handle_domain_irq(port->event_domain, bit);
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chained_irq_exit(chip, desc);
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@@ -816,7 +816,8 @@ static int plda_pcie_init_irq_domains(st
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return -EINVAL;
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}
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- port->event_domain = irq_domain_add_linear(pcie_intc_node, NUM_EVENTS,
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+ port->event_domain = irq_domain_add_linear(pcie_intc_node,
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+ port->num_events,
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&plda_event_domain_ops,
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port);
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if (!port->event_domain) {
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@@ -920,7 +921,7 @@ static int plda_init_interrupts(struct p
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if (irq < 0)
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return -ENODEV;
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- for (i = 0; i < NUM_EVENTS; i++) {
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+ for (i = 0; i < port->num_events; i++) {
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event_irq = irq_create_mapping(port->event_domain, i);
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if (!event_irq) {
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dev_err(dev, "failed to map hwirq %d\n", i);
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@@ -1012,6 +1013,7 @@ static int mc_host_probe(struct platform
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bridge_base_addr = port->axi_base_addr + MC_PCIE_BRIDGE_ADDR;
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plda->bridge_addr = bridge_base_addr;
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+ plda->num_events = NUM_EVENTS;
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/* Allow enabling MSI by disabling MSI-X */
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val = readl(bridge_base_addr + PCIE_PCI_IRQ_DW0);
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--- a/drivers/pci/controller/plda/pcie-plda.h
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+++ b/drivers/pci/controller/plda/pcie-plda.h
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@@ -124,6 +124,7 @@ struct plda_pcie_rp {
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raw_spinlock_t lock;
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struct plda_msi msi;
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void __iomem *bridge_addr;
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+ int num_events;
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};
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void plda_pcie_setup_window(void __iomem *bridge_base_addr, u32 index,
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