ath79: drop, its not ready for a release yet

Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 0 insertions, 197 deletions

diff --git a/target/linux/ath79/patches-4.14/0020-MIPS-ath79-turn-pci-ar71xx-driver-into-a-pure-OF-dri.patch b/target/linux/ath79/patches-4.14/0020-MIPS-ath79-turn-pci-ar71xx-driver-into-a-pure-OF-dri.patch
deleted file mode 100644
index 2d9ddf4a2c..0000000000
--- a/target/linux/ath79/patches-4.14/0020-MIPS-ath79-turn-pci-ar71xx-driver-into-a-pure-OF-dri.patch
+++ /dev/null
@@ -1,197 +0,0 @@
-From cc5a306038b7956b5736a70696dddaaf3792df76 Mon Sep 17 00:00:00 2001
-From: John Crispin <john@phrozen.org>
-Date: Tue, 6 Mar 2018 09:22:49 +0100
-Subject: [PATCH 20/27] MIPS: ath79: turn pci-ar71xx driver into a pure OF
- driver
-
-Signed-off-by: John Crispin <john@phrozen.org>
----
- arch/mips/pci/pci-ar71xx.c | 81 +++++++++++++++++++++++-----------------------
- 1 file changed, 40 insertions(+), 41 deletions(-)
-
---- a/arch/mips/pci/pci-ar71xx.c
-+++ b/arch/mips/pci/pci-ar71xx.c
-@@ -18,8 +18,11 @@
- #include <linux/pci.h>
- #include <linux/pci_regs.h>
- #include <linux/interrupt.h>
-+#include <linux/irqchip/chained_irq.h>
- #include <linux/init.h>
- #include <linux/platform_device.h>
-+#include <linux/of_irq.h>
-+#include <linux/of_pci.h>
- 
- #include <asm/mach-ath79/ar71xx_regs.h>
- #include <asm/mach-ath79/ath79.h>
-@@ -49,12 +52,13 @@
- #define AR71XX_PCI_IRQ_COUNT		5
- 
- struct ar71xx_pci_controller {
-+	struct device_node *np;
- 	void __iomem *cfg_base;
- 	int irq;
--	int irq_base;
- 	struct pci_controller pci_ctrl;
- 	struct resource io_res;
- 	struct resource mem_res;
-+	struct irq_domain *domain;
- };
- 
- /* Byte lane enable bits */
-@@ -228,29 +232,30 @@ static struct pci_ops ar71xx_pci_ops = {
- 
- static void ar71xx_pci_irq_handler(struct irq_desc *desc)
- {
--	struct ar71xx_pci_controller *apc;
- 	void __iomem *base = ath79_reset_base;
-+	struct irq_chip *chip = irq_desc_get_chip(desc);
-+	struct ar71xx_pci_controller *apc = irq_desc_get_handler_data(desc);
- 	u32 pending;
- 
--	apc = irq_desc_get_handler_data(desc);
--
-+	chained_irq_enter(chip, desc);
- 	pending = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_STATUS) &
- 		  __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE);
- 
- 	if (pending & AR71XX_PCI_INT_DEV0)
--		generic_handle_irq(apc->irq_base + 0);
-+		generic_handle_irq(irq_linear_revmap(apc->domain, 1));
- 
- 	else if (pending & AR71XX_PCI_INT_DEV1)
--		generic_handle_irq(apc->irq_base + 1);
-+		generic_handle_irq(irq_linear_revmap(apc->domain, 2));
- 
- 	else if (pending & AR71XX_PCI_INT_DEV2)
--		generic_handle_irq(apc->irq_base + 2);
-+		generic_handle_irq(irq_linear_revmap(apc->domain, 3));
- 
- 	else if (pending & AR71XX_PCI_INT_CORE)
--		generic_handle_irq(apc->irq_base + 4);
-+		generic_handle_irq(irq_linear_revmap(apc->domain, 4));
- 
- 	else
- 		spurious_interrupt();
-+	chained_irq_exit(chip, desc);
- }
- 
- static void ar71xx_pci_irq_unmask(struct irq_data *d)
-@@ -261,7 +266,7 @@ static void ar71xx_pci_irq_unmask(struct
- 	u32 t;
- 
- 	apc = irq_data_get_irq_chip_data(d);
--	irq = d->irq - apc->irq_base;
-+	irq = irq_linear_revmap(apc->domain, d->irq);
- 
- 	t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE);
- 	__raw_writel(t | (1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE);
-@@ -278,7 +283,7 @@ static void ar71xx_pci_irq_mask(struct i
- 	u32 t;
- 
- 	apc = irq_data_get_irq_chip_data(d);
--	irq = d->irq - apc->irq_base;
-+	irq = irq_linear_revmap(apc->domain, d->irq);
- 
- 	t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE);
- 	__raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE);
-@@ -294,24 +299,30 @@ static struct irq_chip ar71xx_pci_irq_ch
- 	.irq_mask_ack	= ar71xx_pci_irq_mask,
- };
- 
-+static int ar71xx_pci_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
-+{
-+	struct ar71xx_pci_controller *apc = d->host_data;
-+
-+	irq_set_chip_and_handler(irq, &ar71xx_pci_irq_chip, handle_level_irq);
-+	irq_set_chip_data(irq, apc);
-+
-+	return 0;
-+}
-+
-+static const struct irq_domain_ops ar71xx_pci_domain_ops = {
-+	.xlate = irq_domain_xlate_onecell,
-+	.map = ar71xx_pci_irq_map,
-+};
-+
- static void ar71xx_pci_irq_init(struct ar71xx_pci_controller *apc)
- {
- 	void __iomem *base = ath79_reset_base;
--	int i;
- 
- 	__raw_writel(0, base + AR71XX_RESET_REG_PCI_INT_ENABLE);
- 	__raw_writel(0, base + AR71XX_RESET_REG_PCI_INT_STATUS);
- 
--	BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR71XX_PCI_IRQ_COUNT);
--
--	apc->irq_base = ATH79_PCI_IRQ_BASE;
--	for (i = apc->irq_base;
--	     i < apc->irq_base + AR71XX_PCI_IRQ_COUNT; i++) {
--		irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip,
--					 handle_level_irq);
--		irq_set_chip_data(i, apc);
--	}
--
-+	apc->domain = irq_domain_add_linear(apc->np, AR71XX_PCI_IRQ_COUNT,
-+					    &ar71xx_pci_domain_ops, apc);
- 	irq_set_chained_handler_and_data(apc->irq, ar71xx_pci_irq_handler,
- 					 apc);
- }
-@@ -328,6 +339,11 @@ static void ar71xx_pci_reset(void)
- 	mdelay(100);
- }
- 
-+static const struct of_device_id ar71xx_pci_ids[] = {
-+	{ .compatible = "qca,ar7100-pci" },
-+	{},
-+};
-+
- static int ar71xx_pci_probe(struct platform_device *pdev)
- {
- 	struct ar71xx_pci_controller *apc;
-@@ -348,26 +364,6 @@ static int ar71xx_pci_probe(struct platf
- 	if (apc->irq < 0)
- 		return -EINVAL;
- 
--	res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base");
--	if (!res)
--		return -EINVAL;
--
--	apc->io_res.parent = res;
--	apc->io_res.name = "PCI IO space";
--	apc->io_res.start = res->start;
--	apc->io_res.end = res->end;
--	apc->io_res.flags = IORESOURCE_IO;
--
--	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base");
--	if (!res)
--		return -EINVAL;
--
--	apc->mem_res.parent = res;
--	apc->mem_res.name = "PCI memory space";
--	apc->mem_res.start = res->start;
--	apc->mem_res.end = res->end;
--	apc->mem_res.flags = IORESOURCE_MEM;
--
- 	ar71xx_pci_reset();
- 
- 	/* setup COMMAND register */
-@@ -380,9 +376,11 @@ static int ar71xx_pci_probe(struct platf
- 
- 	ar71xx_pci_irq_init(apc);
- 
-+	apc->np = pdev->dev.of_node;
- 	apc->pci_ctrl.pci_ops = &ar71xx_pci_ops;
- 	apc->pci_ctrl.mem_resource = &apc->mem_res;
- 	apc->pci_ctrl.io_resource = &apc->io_res;
-+	pci_load_of_ranges(&apc->pci_ctrl, pdev->dev.of_node);
- 
- 	register_pci_controller(&apc->pci_ctrl);
- 
-@@ -393,6 +391,7 @@ static struct platform_driver ar71xx_pci
- 	.probe = ar71xx_pci_probe,
- 	.driver = {
- 		.name = "ar71xx-pci",
-+		.of_match_table = of_match_ptr(ar71xx_pci_ids),
- 	},
- };
-