From c5ec5e1f7f33a18ea81d3d9254c5b49bbdfd5e16 Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Mon, 18 Jul 2016 18:32:48 +0200 Subject: oxnas: revert to kernel 4.1 A bug resulting in the NAND not being detected by newer kernels has kept me sleepless for months and yet I wasn't able to discover the cause. Bring back patches and files for 4.1 until this has been resolved. Signed-off-by: Daniel Golle --- .../oxnas/files/arch/arm/mach-oxnas/mach-ox820.c | 5 ++++ target/linux/oxnas/files/drivers/irqchip/irq-rps.c | 24 ++++++++++++++++++- .../oxnas/files/drivers/mtd/nand/oxnas_nand.c | 4 ++++ .../net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 27 ++++++++++++++++++++++ .../oxnas/files/drivers/pinctrl/pinctrl-oxnas.c | 8 +++++++ 5 files changed, 67 insertions(+), 1 deletion(-) (limited to 'target/linux/oxnas/files') diff --git a/target/linux/oxnas/files/arch/arm/mach-oxnas/mach-ox820.c b/target/linux/oxnas/files/arch/arm/mach-oxnas/mach-ox820.c index 31b7c90582..4d648c63d2 100644 --- a/target/linux/oxnas/files/arch/arm/mach-oxnas/mach-ox820.c +++ b/target/linux/oxnas/files/arch/arm/mach-oxnas/mach-ox820.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -73,7 +74,11 @@ static void __init ox820_dt_init(void) static void __init ox820_timer_init(void) { of_clk_init(NULL); +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + clocksource_of_init(); +#else clocksource_probe(); +#endif } void ox820_init_early(void) diff --git a/target/linux/oxnas/files/drivers/irqchip/irq-rps.c b/target/linux/oxnas/files/drivers/irqchip/irq-rps.c index f2b0829de6..1e75ea12be 100644 --- a/target/linux/oxnas/files/drivers/irqchip/irq-rps.c +++ b/target/linux/oxnas/files/drivers/irqchip/irq-rps.c @@ -6,7 +6,13 @@ #include #include #include -#include +#include + +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) +# include "irqchip.h" +#else +# include +#endif struct rps_chip_data { void __iomem *base; @@ -56,7 +62,11 @@ static int rps_irq_domain_xlate(struct irq_domain *d, unsigned long *out_hwirq, unsigned int *out_type) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + if (d->of_node != controller) +#else if (irq_domain_get_of_node(d) != controller) +#endif return -EINVAL; if (intsize < 1) return -EINVAL; @@ -72,7 +82,11 @@ static int rps_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { irq_set_chip_and_handler(irq, &rps_chip, handle_level_irq); +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); +#else irq_set_probe(irq); +#endif irq_set_chip_data(irq, d->host_data); return 0; } @@ -82,7 +96,11 @@ const struct irq_domain_ops rps_irq_domain_ops = { .xlate = rps_irq_domain_xlate, }; +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) +static void rps_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) +#else static void rps_handle_cascade_irq(struct irq_desc *desc) +#endif { struct rps_chip_data *chip_data = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); @@ -96,7 +114,11 @@ static void rps_handle_cascade_irq(struct irq_desc *desc) cascade_irq = irq_find_mapping(chip_data->domain, rps_irq); if (unlikely(rps_irq >= RPS_IRQ_COUNT)) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + handle_bad_irq(cascade_irq, desc); +#else handle_bad_irq(desc); +#endif else generic_handle_irq(cascade_irq); diff --git a/target/linux/oxnas/files/drivers/mtd/nand/oxnas_nand.c b/target/linux/oxnas/files/drivers/mtd/nand/oxnas_nand.c index c96d66b245..9536e5179c 100644 --- a/target/linux/oxnas/files/drivers/mtd/nand/oxnas_nand.c +++ b/target/linux/oxnas/files/drivers/mtd/nand/oxnas_nand.c @@ -56,10 +56,14 @@ static int oxnas_nand_probe(struct platform_device *pdev) return 0; } +/* allow users to override the partition in DT using the cmdline */ +static const char * part_probes[] = { "cmdlinepart", "ofpart", NULL }; + static struct platform_nand_data oxnas_nand_data = { .chip = { .nr_chips = 1, .chip_delay = 30, + .part_probe_types = part_probes, }, .ctrl = { .probe = oxnas_nand_probe, diff --git a/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c index aafb118144..07f9f44497 100644 --- a/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c +++ b/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c @@ -25,6 +25,7 @@ #include #include #include +#include #include @@ -91,21 +92,37 @@ static void oxnas_gmac_exit(struct platform_device *pdev, void *priv) } } +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) +static void *oxnas_gmac_probe(struct platform_device *pdev) +{ +#else static int oxnas_gmac_probe(struct platform_device *pdev) { struct plat_stmmacenet_data *plat_dat; struct stmmac_resources stmmac_res; int ret; +#endif struct device *dev = &pdev->dev; struct oxnas_gmac *bsp_priv; bsp_priv = devm_kzalloc(dev, sizeof(*bsp_priv), GFP_KERNEL); if (!bsp_priv) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + return ERR_PTR(-ENOMEM); +#else return -ENOMEM; +#endif bsp_priv->clk = devm_clk_get(dev, "gmac"); if (IS_ERR(bsp_priv->clk)) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + return bsp_priv->clk; +#else return PTR_ERR(bsp_priv->clk); +#endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + return bsp_priv; +#else ret = stmmac_get_platform_resources(pdev, &stmmac_res); if (ret) return ret; @@ -123,8 +140,17 @@ static int oxnas_gmac_probe(struct platform_device *pdev) return ret; return stmmac_dvr_probe(dev, plat_dat, &stmmac_res); +#endif } +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) +const struct stmmac_of_data oxnas_gmac_data = { + .has_gmac = 1, + .setup = oxnas_gmac_probe, + .init = oxnas_gmac_init, + .exit = oxnas_gmac_exit, +}; +#else static const struct of_device_id oxnas_gmac_match[] = { { .compatible = "plxtech,nas782x-gmac" }, { } @@ -141,5 +167,6 @@ static struct platform_driver oxnas_gmac_driver = { }, }; module_platform_driver(oxnas_gmac_driver); +#endif MODULE_LICENSE("GPL v2"); diff --git a/target/linux/oxnas/files/drivers/pinctrl/pinctrl-oxnas.c b/target/linux/oxnas/files/drivers/pinctrl/pinctrl-oxnas.c index 38a8cbb451..034a7304d4 100644 --- a/target/linux/oxnas/files/drivers/pinctrl/pinctrl-oxnas.c +++ b/target/linux/oxnas/files/drivers/pinctrl/pinctrl-oxnas.c @@ -27,6 +27,7 @@ /* Since we request GPIOs from ourself */ #include #include +#include #include "core.h" @@ -1199,7 +1200,11 @@ static struct irq_chip gpio_irqchip = { .irq_set_type = gpio_irq_type, }; +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) +static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) +#else static void gpio_irq_handler(struct irq_desc *desc) +#endif { struct irq_chip *chip = irq_desc_get_chip(desc); struct irq_data *idata = irq_desc_get_irq_data(desc); @@ -1240,6 +1245,9 @@ static int oxnas_gpio_irq_map(struct irq_domain *h, unsigned int virq, irq_set_lockdep_class(virq, &gpio_lock_class); irq_set_chip_and_handler(virq, &gpio_irqchip, handle_edge_irq); +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + set_irq_flags(virq, IRQF_VALID); +#endif irq_set_chip_data(virq, oxnas_gpio); return 0; -- cgit v1.2.3