linux-yocto-4.12 - Linux 4.12 Embedded Kernel

Age	Commit message (Collapse)	Author
2015-06-25	crypto: rsa - add .gitignore for crypto/*.-asn1.[ch] files	Alexander Kuleshov
	There are two generated files: crypto/rsakey-asn1.c and crypto/raskey-asn1.h, after the cfc2bb32b31371d6bffc6bf2da3548f20ad48c83 commit. Let's add .gitignore to ignore *-asn1.[ch] files. Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

/* * Support for power management features of the OLPC XO-1 laptop * * Copyright (C) 2010 Andres Salomon <dilinger@queued.net> * Copyright (C) 2010 One Laptop per Child * Copyright (C) 2006 Red Hat, Inc. * Copyright (C) 2006 Advanced Micro Devices, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include <linux/cs5535.h> #include <linux/platform_device.h> #include <linux/export.h> #include <linux/pm.h> #include <linux/mfd/core.h> #include <linux/suspend.h> #include <linux/olpc-ec.h> #include <asm/io.h> #include <asm/olpc.h> #define DRV_NAME "olpc-xo1-pm" static unsigned long acpi_base; static unsigned long pms_base; static u16 wakeup_mask = CS5536_PM_PWRBTN; static struct { unsigned long address; unsigned short segment; } ofw_bios_entry = { 0xF0000 + PAGE_OFFSET, __KERNEL_CS }; /* Set bits in the wakeup mask */ void olpc_xo1_pm_wakeup_set(u16 value) { wakeup_mask |= value; } EXPORT_SYMBOL_GPL(olpc_xo1_pm_wakeup_set); /* Clear bits in the wakeup mask */ void olpc_xo1_pm_wakeup_clear(u16 value) { wakeup_mask &= ~value; } EXPORT_SYMBOL_GPL(olpc_xo1_pm_wakeup_clear); static int xo1_power_state_enter(suspend_state_t pm_state) { unsigned long saved_sci_mask; /* Only STR is supported */ if (pm_state != PM_SUSPEND_MEM) return -EINVAL; /* * Save SCI mask (this gets lost since PM1_EN is used as a mask for * wakeup events, which is not necessarily the same event set) */ saved_sci_mask = inl(acpi_base + CS5536_PM1_STS); saved_sci_mask &= 0xffff0000; /* Save CPU state */ do_olpc_suspend_lowlevel(); /* Resume path starts here */ /* Restore SCI mask (using dword access to CS5536_PM1_EN) */ outl(saved_sci_mask, acpi_base + CS5536_PM1_STS); return 0; } asmlinkage int xo1_do_sleep(u8 sleep_state) { void *pgd_addr = __va(read_cr3()); /* Program wakeup mask (using dword access to CS5536_PM1_EN) */ outl(wakeup_mask << 16, acpi_base + CS5536_PM1_STS); __asm__("movl %0,%%eax" : : "r" (pgd_addr)); __asm__("call *(%%edi); cld" : : "D" (&ofw_bios_entry)); __asm__("movb $0x34, %al\n\t" "outb %al, $0x70\n\t" "movb $0x30, %al\n\t" "outb %al, $0x71\n\t"); return 0; } static void xo1_power_off(void) { printk(KERN_INFO "OLPC XO-1 power off sequence...\n"); /* Enable all of these controls with 0 delay */ outl(0x40000000, pms_base + CS5536_PM_SCLK); outl(0x40000000, pms_base + CS5536_PM_IN_SLPCTL); outl(0x40000000, pms_base + CS5536_PM_WKXD); outl(0x40000000, pms_base + CS5536_PM_WKD); /* Clear status bits (possibly unnecessary) */ outl(0x0002ffff, pms_base + CS5536_PM_SSC); outl(0xffffffff, acpi_base + CS5536_PM_GPE0_STS); /* Write SLP_EN bit to start the machinery */ outl(0x00002000, acpi_base + CS5536_PM1_CNT); } static int xo1_power_state_valid(suspend_state_t pm_state) { /* suspend-to-RAM only */ return pm_state == PM_SUSPEND_MEM; } static const struct platform_suspend_ops xo1_suspend_ops = { .valid = xo1_power_state_valid, .enter = xo1_power_state_enter, }; static int xo1_pm_probe(struct platform_device *pdev) { struct resource *res; int err; /* don't run on non-XOs */ if (!machine_is_olpc()) return -ENODEV; err = mfd_cell_enable(pdev); if (err) return err; res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!res) { dev_err(&pdev->dev, "can't fetch device resource info\n"); return -EIO; } if (strcmp(pdev->name, "cs5535-pms") == 0) pms_base = res->start; else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0) acpi_base = res->start; /* If we have both addresses, we can override the poweroff hook */ if (pms_base && acpi_base) { suspend_set_ops(&xo1_suspend_ops); pm_power_off = xo1_power_off; printk(KERN_INFO "OLPC XO-1 support registered\n"); } return 0; } static int xo1_pm_remove(struct platform_device *pdev) { mfd_cell_disable(pdev); if (strcmp(pdev->name, "cs5535-pms") == 0) pms_base = 0; else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0) acpi_base = 0; pm_power_off = NULL; return 0; } static struct platform_driver cs5535_pms_driver = { .driver = { .name = "cs5535-pms", .owner = THIS_MODULE, }, .probe = xo1_pm_probe, .remove = xo1_pm_remove, }; static struct platform_driver cs5535_acpi_driver = { .driver = { .name = "olpc-xo1-pm-acpi", .owner = THIS_MODULE, }, .probe = xo1_pm_probe, .remove = xo1_pm_remove, }; static int __init xo1_pm_init(void) { int r; r = platform_driver_register(&cs5535_pms_driver); if (r) return r; r = platform_driver_register(&cs5535_acpi_driver); if (r) platform_driver_unregister(&cs5535_pms_driver); return r; } arch_initcall(xo1_pm_init);