ath79: Remove kernel 4.14 support

This target was switched to kernel 4.19 more than 6 months ago in commit
f342ffd300da ("treewide: kernel: bump some targets to 4.19") and now
with kernel 5.4 support being added it gets harder to support kernel
4.14 in addition to kernel 4.19 and 5.4.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 0 insertions, 139 deletions

diff --git a/target/linux/ath79/patches-4.14/0036-MIPS-ath79-remove-irq-code-from-pci.patch b/target/linux/ath79/patches-4.14/0036-MIPS-ath79-remove-irq-code-from-pci.patch
deleted file mode 100644
index 460c4580ee..0000000000
--- a/target/linux/ath79/patches-4.14/0036-MIPS-ath79-remove-irq-code-from-pci.patch
+++ /dev/null
@@ -1,139 +0,0 @@
---- a/arch/mips/pci/pci-ar71xx.c
-+++ b/arch/mips/pci/pci-ar71xx.c
-@@ -54,11 +54,9 @@
- struct ar71xx_pci_controller {
- 	struct device_node *np;
- 	void __iomem *cfg_base;
--	int irq;
- 	struct pci_controller pci_ctrl;
- 	struct resource io_res;
- 	struct resource mem_res;
--	struct irq_domain *domain;
- };
- 
- /* Byte lane enable bits */
-@@ -230,104 +228,6 @@ static struct pci_ops ar71xx_pci_ops = {
- 	.write	= ar71xx_pci_write_config,
- };
- 
--static void ar71xx_pci_irq_handler(struct irq_desc *desc)
--{
--	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;
--
--	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(irq_linear_revmap(apc->domain, 1));
--
--	else if (pending & AR71XX_PCI_INT_DEV1)
--		generic_handle_irq(irq_linear_revmap(apc->domain, 2));
--
--	else if (pending & AR71XX_PCI_INT_DEV2)
--		generic_handle_irq(irq_linear_revmap(apc->domain, 3));
--
--	else if (pending & AR71XX_PCI_INT_CORE)
--		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)
--{
--	struct ar71xx_pci_controller *apc;
--	unsigned int irq;
--	void __iomem *base = ath79_reset_base;
--	u32 t;
--
--	apc = irq_data_get_irq_chip_data(d);
--	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);
--
--	/* flush write */
--	__raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE);
--}
--
--static void ar71xx_pci_irq_mask(struct irq_data *d)
--{
--	struct ar71xx_pci_controller *apc;
--	unsigned int irq;
--	void __iomem *base = ath79_reset_base;
--	u32 t;
--
--	apc = irq_data_get_irq_chip_data(d);
--	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);
--
--	/* flush write */
--	__raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE);
--}
--
--static struct irq_chip ar71xx_pci_irq_chip = {
--	.name		= "AR71XX PCI",
--	.irq_mask	= ar71xx_pci_irq_mask,
--	.irq_unmask	= ar71xx_pci_irq_unmask,
--	.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;
--
--	__raw_writel(0, base + AR71XX_RESET_REG_PCI_INT_ENABLE);
--	__raw_writel(0, base + AR71XX_RESET_REG_PCI_INT_STATUS);
--
--	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);
--}
--
- static void ar71xx_pci_reset(void)
- {
- 	ath79_device_reset_set(AR71XX_RESET_PCI_BUS | AR71XX_RESET_PCI_CORE);
-@@ -361,10 +261,6 @@ static int ar71xx_pci_probe(struct platf
- 	if (IS_ERR(apc->cfg_base))
- 		return PTR_ERR(apc->cfg_base);
- 
--	apc->irq = platform_get_irq(pdev, 0);
--	if (apc->irq < 0)
--		return -EINVAL;
--
- 	ar71xx_pci_reset();
- 
- 	/* setup COMMAND register */
-@@ -375,8 +271,6 @@ static int ar71xx_pci_probe(struct platf
- 	/* clear bus errors */
- 	ar71xx_pci_check_error(apc, 1);
- 
--	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;