diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-03 09:31:55 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-03 09:31:55 -0700 |
commit | fb443f36f3b9af6a4590b6e65e2d7affdfe0da18 (patch) | |
tree | d75c56cb56f1b6c7cb1b3119ebf3d17f6ded51c5 /arch/mips/lantiq | |
parent | 4fe89d07dcc2804c8b562f6c7896a45643d34b2f (diff) | |
parent | 90c2d2eb7ab5848c4f853751f12b96bdc460ad1b (diff) |
Merge tag 'mips_6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- mainly cleanups
- fix enabling interrupts on second VPE for Lantiq platform
- switch to use gpiod API
- allow firmware passing RND seed
* tag 'mips_6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (29 commits)
MIPS: pci: lantiq: switch to using gpiod API
mips: allow firmware to pass RNG seed to kernel
MIPS: Simplify __bswapdi2() and __bswapsi2()
MIPS: Silence missing prototype warning
mips: update config files
MIPS: Lantiq: vmmc: fix compile break introduced by gpiod patch
MIPS: IRQ: remove orphan allocate_irqno() declaration
MIPS: remove orphan sb1250_time_init() declaration
MIPS: Lantiq: switch vmmc to use gpiod API
MIPS: lantiq: enable all hardware interrupts on second VPE
MIPS: BCM47XX: Cast memcmp() of function to (void *)
mips: ralink: convert to DEFINE_SHOW_ATTRIBUTE
mips: kernel: convert to DEFINE_SHOW_ATTRIBUTE
mips: cavium: convert to DEFINE_SHOW_ATTRIBUTE
MIPS: AR7: remove orphan declarations from arch/mips/include/asm/mach-ar7/ar7.h
MIPS: remove orphan sni_cpu_time_init() declaration
MIPS: IRQ: remove orphan declarations from arch/mips/include/asm/irq.h
MIPS: Octeon: remove orphan octeon_hal_setup_reserved32() declaration
MIPS: Octeon: remove orphan cvmx_fpa_setup_pool() declaration
MIPS: Octeon: remove orphan octeon_swiotlb declaration
...
Diffstat (limited to 'arch/mips/lantiq')
-rw-r--r-- | arch/mips/lantiq/prom.c | 26 | ||||
-rw-r--r-- | arch/mips/lantiq/xway/vmmc.c | 24 |
2 files changed, 39 insertions, 11 deletions
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index c731082a0c42..be4829cc7a3a 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -34,6 +34,14 @@ unsigned long physical_memsize = 0L; */ static struct ltq_soc_info soc_info; +/* + * These structs are used to override vsmp_init_secondary() + */ +#if defined(CONFIG_MIPS_MT_SMP) +extern const struct plat_smp_ops vsmp_smp_ops; +static struct plat_smp_ops lantiq_smp_ops; +#endif + const char *get_system_type(void) { return soc_info.sys_type; @@ -84,6 +92,17 @@ void __init plat_mem_setup(void) __dt_setup_arch(dtb); } +#if defined(CONFIG_MIPS_MT_SMP) +static void lantiq_init_secondary(void) +{ + /* + * MIPS CPU startup function vsmp_init_secondary() will only + * enable some of the interrupts for the second CPU/VPE. + */ + set_c0_status(ST0_IM); +} +#endif + void __init prom_init(void) { /* call the soc specific detetcion code and get it to fill soc_info */ @@ -95,7 +114,10 @@ void __init prom_init(void) prom_init_cmdline(); #if defined(CONFIG_MIPS_MT_SMP) - if (register_vsmp_smp_ops()) - panic("failed to register_vsmp_smp_ops()"); + if (cpu_has_mipsmt) { + lantiq_smp_ops = vsmp_smp_ops; + lantiq_smp_ops.init_secondary = lantiq_init_secondary; + register_smp_ops(&lantiq_smp_ops); + } #endif } diff --git a/arch/mips/lantiq/xway/vmmc.c b/arch/mips/lantiq/xway/vmmc.c index 7a14da8d9d15..2796e87dfcae 100644 --- a/arch/mips/lantiq/xway/vmmc.c +++ b/arch/mips/lantiq/xway/vmmc.c @@ -4,9 +4,10 @@ * Copyright (C) 2012 John Crispin <john@phrozen.org> */ +#include <linux/err.h> #include <linux/export.h> +#include <linux/gpio/consumer.h> #include <linux/of_platform.h> -#include <linux/of_gpio.h> #include <linux/dma-mapping.h> #include <lantiq_soc.h> @@ -25,23 +26,28 @@ EXPORT_SYMBOL(ltq_get_cp1_base); static int vmmc_probe(struct platform_device *pdev) { #define CP1_SIZE (1 << 20) + struct gpio_desc *gpio; int gpio_count; dma_addr_t dma; + int error; cp1_base = (void *) CPHYSADDR(dma_alloc_coherent(&pdev->dev, CP1_SIZE, &dma, GFP_KERNEL)); - gpio_count = of_gpio_count(pdev->dev.of_node); + gpio_count = gpiod_count(&pdev->dev, NULL); while (gpio_count > 0) { - enum of_gpio_flags flags; - int gpio = of_get_gpio_flags(pdev->dev.of_node, - --gpio_count, &flags); - if (gpio_request(gpio, "vmmc-relay")) + gpio = devm_gpiod_get_index(&pdev->dev, + NULL, --gpio_count, GPIOD_OUT_HIGH); + error = PTR_ERR_OR_ZERO(gpio); + if (error) { + dev_err(&pdev->dev, + "failed to request GPIO idx %d: %d\n", + gpio_count, error); continue; - dev_info(&pdev->dev, "requested GPIO %d\n", gpio); - gpio_direction_output(gpio, - (flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1)); + } + + gpiod_set_consumer_name(gpio, "vmmc-relay"); } dev_info(&pdev->dev, "reserved %dMB at 0x%p", CP1_SIZE >> 20, cp1_base); |