diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/agp/intel-agp.c | 16 | ||||
-rw-r--r-- | drivers/char/agp/intel-agp.h | 3 | ||||
-rw-r--r-- | drivers/char/agp/intel-gtt.c | 91 | ||||
-rw-r--r-- | drivers/char/bsr.c | 6 | ||||
-rw-r--r-- | drivers/char/hw_random/Kconfig | 12 | ||||
-rw-r--r-- | drivers/char/hw_random/Makefile | 1 | ||||
-rw-r--r-- | drivers/char/hw_random/exynos-rng.c | 182 | ||||
-rw-r--r-- | drivers/char/hw_random/mxc-rnga.c | 21 | ||||
-rw-r--r-- | drivers/char/hw_random/omap-rng.c | 13 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 16 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_watchdog.c | 13 | ||||
-rw-r--r-- | drivers/char/mem.c | 11 | ||||
-rw-r--r-- | drivers/char/sonypi.c | 13 | ||||
-rw-r--r-- | drivers/char/tpm/tpm.c | 29 | ||||
-rw-r--r-- | drivers/char/tpm/tpm.h | 2 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_atmel.c | 12 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_infineon.c | 6 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_nsc.c | 13 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_tis.c | 18 |
19 files changed, 338 insertions, 140 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 0a418527941..b130df0a195 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -12,6 +12,7 @@ #include <asm/smp.h> #include "agp.h" #include "intel-agp.h" +#include <drm/intel-gtt.h> int intel_agp_enabled; EXPORT_SYMBOL(intel_agp_enabled); @@ -747,7 +748,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, bridge->capndx = cap_ptr; - if (intel_gmch_probe(pdev, bridge)) + if (intel_gmch_probe(pdev, NULL, bridge)) goto found_gmch; for (i = 0; intel_agp_chipsets[i].name != NULL; i++) { @@ -824,7 +825,7 @@ static void __devexit agp_intel_remove(struct pci_dev *pdev) agp_remove_bridge(bridge); - intel_gmch_remove(pdev); + intel_gmch_remove(); agp_put_bridge(bridge); } @@ -902,17 +903,6 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB), - ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB), - ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB), - ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_HB), - ID(PCI_DEVICE_ID_INTEL_IVYBRIDGE_HB), - ID(PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_HB), - ID(PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB), - ID(PCI_DEVICE_ID_INTEL_VALLEYVIEW_HB), - ID(PCI_DEVICE_ID_INTEL_HASWELL_HB), - ID(PCI_DEVICE_ID_INTEL_HASWELL_M_HB), - ID(PCI_DEVICE_ID_INTEL_HASWELL_S_HB), - ID(PCI_DEVICE_ID_INTEL_HASWELL_E_HB), { } }; diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index 8e2d9140f30..57226424690 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -251,7 +251,4 @@ #define PCI_DEVICE_ID_INTEL_HASWELL_SDV 0x0c16 /* SDV */ #define PCI_DEVICE_ID_INTEL_HASWELL_E_HB 0x0c04 -int intel_gmch_probe(struct pci_dev *pdev, - struct agp_bridge_data *bridge); -void intel_gmch_remove(struct pci_dev *pdev); #endif diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 1237e7575c3..9ed92ef5829 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -66,7 +66,6 @@ static struct _intel_private { struct pci_dev *bridge_dev; u8 __iomem *registers; phys_addr_t gtt_bus_addr; - phys_addr_t gma_bus_addr; u32 PGETBL_save; u32 __iomem *gtt; /* I915G */ bool clear_fake_agp; /* on first access via agp, fill with scratch */ @@ -76,6 +75,7 @@ static struct _intel_private { struct resource ifp_resource; int resource_valid; struct page *scratch_page; + int refcount; } intel_private; #define INTEL_GTT_GEN intel_private.driver->gen @@ -648,6 +648,7 @@ static void intel_gtt_cleanup(void) static int intel_gtt_init(void) { + u32 gma_addr; u32 gtt_map_size; int ret; @@ -694,6 +695,15 @@ static int intel_gtt_init(void) return ret; } + if (INTEL_GTT_GEN <= 2) + pci_read_config_dword(intel_private.pcidev, I810_GMADDR, + &gma_addr); + else + pci_read_config_dword(intel_private.pcidev, I915_GMADDR, + &gma_addr); + + intel_private.base.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK); + return 0; } @@ -767,20 +777,10 @@ static void i830_write_entry(dma_addr_t addr, unsigned int entry, writel(addr | pte_flags, intel_private.gtt + entry); } -static bool intel_enable_gtt(void) +bool intel_enable_gtt(void) { - u32 gma_addr; u8 __iomem *reg; - if (INTEL_GTT_GEN <= 2) - pci_read_config_dword(intel_private.pcidev, I810_GMADDR, - &gma_addr); - else - pci_read_config_dword(intel_private.pcidev, I915_GMADDR, - &gma_addr); - - intel_private.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK); - if (INTEL_GTT_GEN >= 6) return true; @@ -823,6 +823,7 @@ static bool intel_enable_gtt(void) return true; } +EXPORT_SYMBOL(intel_enable_gtt); static int i830_setup(void) { @@ -860,7 +861,7 @@ static int intel_fake_agp_configure(void) return -EIO; intel_private.clear_fake_agp = true; - agp_bridge->gart_bus_addr = intel_private.gma_bus_addr; + agp_bridge->gart_bus_addr = intel_private.base.gma_bus_addr; return 0; } @@ -1182,9 +1183,17 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry, static void valleyview_write_entry(dma_addr_t addr, unsigned int entry, unsigned int flags) { + unsigned int type_mask = flags & ~AGP_USER_CACHED_MEMORY_GFDT; + unsigned int gfdt = flags & AGP_USER_CACHED_MEMORY_GFDT; u32 pte_flags; - pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID; + if (type_mask == AGP_USER_MEMORY) + pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID; + else { + pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; + if (gfdt) + pte_flags |= GEN6_PTE_GFDT; + } /* gen6 has bit11-4 for physical addr bit39-32 */ addr |= (addr >> 28) & 0xff0; @@ -1244,6 +1253,7 @@ static int i9xx_setup(void) switch (INTEL_GTT_GEN) { case 5: case 6: + case 7: gtt_offset = MB(2); break; case 4: @@ -1379,7 +1389,6 @@ static const struct intel_gtt_driver valleyview_gtt_driver = { .write_entry = valleyview_write_entry, .dma_mask_size = 40, .check_flags = gen6_check_flags, - .chipset_flush = i9xx_chipset_flush, }; /* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of @@ -1523,14 +1532,32 @@ static int find_gmch(u16 device) return 1; } -int intel_gmch_probe(struct pci_dev *pdev, - struct agp_bridge_data *bridge) +int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, + struct agp_bridge_data *bridge) { int i, mask; - intel_private.driver = NULL; + + /* + * Can be called from the fake agp driver but also directly from + * drm/i915.ko. Hence we need to check whether everything is set up + * already. + */ + if (intel_private.driver) { + intel_private.refcount++; + return 1; + } for (i = 0; intel_gtt_chipsets[i].name != NULL; i++) { - if (find_gmch(intel_gtt_chipsets[i].gmch_chip_id)) { + if (gpu_pdev) { + if (gpu_pdev->device == + intel_gtt_chipsets[i].gmch_chip_id) { + intel_private.pcidev = pci_dev_get(gpu_pdev); + intel_private.driver = + intel_gtt_chipsets[i].gtt_driver; + + break; + } + } else if (find_gmch(intel_gtt_chipsets[i].gmch_chip_id)) { intel_private.driver = intel_gtt_chipsets[i].gtt_driver; break; @@ -1540,13 +1567,17 @@ int intel_gmch_probe(struct pci_dev *pdev, if (!intel_private.driver) return 0; - bridge->driver = &intel_fake_agp_driver; - bridge->dev_private_data = &intel_private; - bridge->dev = pdev; + intel_private.refcount++; + + if (bridge) { + bridge->driver = &intel_fake_agp_driver; + bridge->dev_private_data = &intel_private; + bridge->dev = bridge_pdev; + } - intel_private.bridge_dev = pci_dev_get(pdev); + intel_private.bridge_dev = pci_dev_get(bridge_pdev); - dev_info(&pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name); + dev_info(&bridge_pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name); mask = intel_private.driver->dma_mask_size; if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask))) @@ -1556,11 +1587,11 @@ int intel_gmch_probe(struct pci_dev *pdev, pci_set_consistent_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask)); - /*if (bridge->driver == &intel_810_driver) - return 1;*/ + if (intel_gtt_init() != 0) { + intel_gmch_remove(); - if (intel_gtt_init() != 0) return 0; + } return 1; } @@ -1579,12 +1610,16 @@ void intel_gtt_chipset_flush(void) } EXPORT_SYMBOL(intel_gtt_chipset_flush); -void intel_gmch_remove(struct pci_dev *pdev) +void intel_gmch_remove(void) { + if (--intel_private.refcount) + return; + if (intel_private.pcidev) pci_dev_put(intel_private.pcidev); if (intel_private.bridge_dev) pci_dev_put(intel_private.bridge_dev); + intel_private.driver = NULL; } EXPORT_SYMBOL(intel_gmch_remove); diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c index 0c688232aab..97467053a01 100644 --- a/drivers/char/bsr.c +++ b/drivers/char/bsr.c @@ -297,7 +297,6 @@ static int __init bsr_init(void) struct device_node *np; dev_t bsr_dev; int ret = -ENODEV; - int result; np = of_find_compatible_node(NULL, NULL, "ibm,bsr"); if (!np) @@ -306,13 +305,14 @@ static int __init bsr_init(void) bsr_class = class_create(THIS_MODULE, "bsr"); if (IS_ERR(bsr_class)) { printk(KERN_ERR "class_create() failed for bsr_class\n"); + ret = PTR_ERR(bsr_class); goto out_err_1; } bsr_class->dev_attrs = bsr_dev_attrs; - result = alloc_chrdev_region(&bsr_dev, 0, BSR_MAX_DEVS, "bsr"); + ret = alloc_chrdev_region(&bsr_dev, 0, BSR_MAX_DEVS, "bsr"); bsr_major = MAJOR(bsr_dev); - if (result < 0) { + if (ret < 0) { printk(KERN_ERR "alloc_chrdev_region() failed for bsr\n"); goto out_err_2; } diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index f45dad39a18..b01d6732824 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -263,3 +263,15 @@ config HW_RANDOM_PSERIES module will be called pseries-rng. If unsure, say Y. + +config HW_RANDOM_EXYNOS + tristate "EXYNOS HW random number generator support" + depends on HW_RANDOM && HAS_IOMEM && HAVE_CLK + ---help--- + This driver provides kernel-side support for the Random Number + Generator hardware found on EXYNOS SOCs. + + To compile this driver as a module, choose M here: the + module will be called exynos-rng. + + If unsure, say Y. diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index d901dfa3032..8d6d173b65e 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -23,3 +23,4 @@ obj-$(CONFIG_HW_RANDOM_NOMADIK) += nomadik-rng.o obj-$(CONFIG_HW_RANDOM_PICOXCELL) += picoxcell-rng.o obj-$(CONFIG_HW_RANDOM_PPC4XX) += ppc4xx-rng.o obj-$(CONFIG_HW_RANDOM_PSERIES) += pseries-rng.o +obj-$(CONFIG_HW_RANDOM_EXYNOS) += exynos-rng.o diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c new file mode 100644 index 00000000000..232ba9ce579 --- /dev/null +++ b/drivers/char/hw_random/exynos-rng.c @@ -0,0 +1,182 @@ +/* + * exynos-rng.c - Random Number Generator driver for the exynos + * + * Copyright (C) 2012 Samsung Electronics + * Jonghwa Lee <jonghwa3.lee@smasung.com> + * + * 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; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/hw_random.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/pm_runtime.h> +#include <linux/err.h> + +#define EXYNOS_PRNG_STATUS_OFFSET 0x10 +#define EXYNOS_PRNG_SEED_OFFSET 0x140 +#define EXYNOS_PRNG_OUT1_OFFSET 0x160 +#define SEED_SETTING_DONE BIT(1) +#define PRNG_START 0x18 +#define PRNG_DONE BIT(5) +#define EXYNOS_AUTOSUSPEND_DELAY 100 + +struct exynos_rng { + struct device *dev; + struct hwrng rng; + void __iomem *mem; + struct clk *clk; +}; + +static u32 exynos_rng_readl(struct exynos_rng *rng, u32 offset) +{ + return __raw_readl(rng->mem + offset); +} + +static void exynos_rng_writel(struct exynos_rng *rng, u32 val, u32 offset) +{ + __raw_writel(val, rng->mem + offset); +} + +static int exynos_init(struct hwrng *rng) +{ + struct exynos_rng *exynos_rng = container_of(rng, + struct exynos_rng, rng); + int i; + int ret = 0; + + pm_runtime_get_sync(exynos_rng->dev); + + for (i = 0 ; i < 5 ; i++) + exynos_rng_writel(exynos_rng, jiffies, + EXYNOS_PRNG_SEED_OFFSET + 4*i); + + if (!(exynos_rng_readl(exynos_rng, EXYNOS_PRNG_STATUS_OFFSET) + & SEED_SETTING_DONE)) + ret = -EIO; + + pm_runtime_put_noidle(exynos_rng->dev); + + return ret; +} + +static int exynos_read(struct hwrng *rng, void *buf, + size_t max, bool wait) +{ + struct exynos_rng *exynos_rng = container_of(rng, + struct exynos_rng, rng); + u32 *data = buf; + + pm_runtime_get_sync(exynos_rng->dev); + + exynos_rng_writel(exynos_rng, PRNG_START, 0); + + while (!(exynos_rng_readl(exynos_rng, + EXYNOS_PRNG_STATUS_OFFSET) & PRNG_DONE)) + cpu_relax(); + + exynos_rng_writel(exynos_rng, PRNG_DONE, EXYNOS_PRNG_STATUS_OFFSET); + + *data = exynos_rng_readl(exynos_rng, EXYNOS_PRNG_OUT1_OFFSET); + + pm_runtime_mark_last_busy(exynos_rng->dev); + pm_runtime_autosuspend(exynos_rng->dev); + + return 4; +} + +static int __devinit exynos_rng_probe(struct platform_device *pdev) +{ + struct exynos_rng *exynos_rng; + + exynos_rng = devm_kzalloc(&pdev->dev, sizeof(struct exynos_rng), + GFP_KERNEL); + if (!exynos_rng) + return -ENOMEM; + + exynos_rng->dev = &pdev->dev; + exynos_rng->rng.name = "exynos"; + exynos_rng->rng.init = exynos_init; + exynos_rng->rng.read = exynos_read; + exynos_rng->clk = devm_clk_get(&pdev->dev, "secss"); + if (IS_ERR(exynos_rng->clk)) { + dev_err(&pdev->dev, "Couldn't get clock.\n"); + return -ENOENT; + } + + exynos_rng->mem = devm_request_and_ioremap(&pdev->dev, + platform_get_resource(pdev, IORESOURCE_MEM, 0)); + if (!exynos_rng->mem) + return -EBUSY; + + platform_set_drvdata(pdev, exynos_rng); + + pm_runtime_set_autosuspend_delay(&pdev->dev, EXYNOS_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); + + return hwrng_register(&exynos_rng->rng); +} + +static int __devexit exynos_rng_remove(struct platform_device *pdev) +{ + struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); + + hwrng_unregister(&exynos_rng->rng); + + return 0; +} + +static int exynos_rng_runtime_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); + + clk_disable_unprepare(exynos_rng->clk); + + return 0; +} + +static int exynos_rng_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); + + return clk_prepare_enable(exynos_rng->clk); +} + + +UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend, + exynos_rng_runtime_resume, NULL); + +static struct platform_driver exynos_rng_driver = { + .driver = { + .name = "exynos-rng", + .owner = THIS_MODULE, + .pm = &exynos_rng_pm_ops, + }, + .probe = exynos_rng_probe, + .remove = __devexit_p(exynos_rng_remove), +}; + +module_platform_driver(exynos_rng_driver); + +MODULE_DESCRIPTION("EXYNOS 4 H/W Random Number Generator driver"); +MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c index 187c6be80f4..85074de5042 100644 --- a/drivers/char/hw_random/mxc-rnga.c +++ b/drivers/char/hw_random/mxc-rnga.c @@ -24,6 +24,7 @@ #include <linux/ioport.h> #include <linux/platform_device.h> #include <linux/hw_random.h> +#include <linux/delay.h> #include <linux/io.h> /* RNGA Registers */ @@ -60,16 +61,20 @@ static struct platform_device *rng_dev; -static int mxc_rnga_data_present(struct hwrng *rng) +static int mxc_rnga_data_present(struct hwrng *rng, int wait) { - int level; void __iomem *rng_base = (void __iomem *)rng->priv; - - /* how many random numbers is in FIFO? [0-16] */ - level = ((__raw_readl(rng_base + RNGA_STATUS) & - RNGA_STATUS_LEVEL_MASK) >> 8); - - return level > 0 ? 1 : 0; + int i; + + for (i = 0; i < 20; i++) { + /* how many random numbers are in FIFO? [0-16] */ + int level = (__raw_readl(rng_base + RNGA_STATUS) & + RNGA_STATUS_LEVEL_MASK) >> 8; + if (level || !wait) + return !!level; + udelay(10); + } + return 0; } static int mxc_rnga_data_read(struct hwrng *rng, u32 * data) diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 1412565c01a..d706bd0e9e8 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -162,22 +162,24 @@ static int __exit omap_rng_remove(struct platform_device *pdev) #ifdef CONFIG_PM -static int omap_rng_suspend(struct platform_device *pdev, pm_message_t message) +static int omap_rng_suspend(struct device *dev) { omap_rng_write_reg(RNG_MASK_REG, 0x0); return 0; } -static int omap_rng_resume(struct platform_device *pdev) +static int omap_rng_resume(struct device *dev) { omap_rng_write_reg(RNG_MASK_REG, 0x1); return 0; } +static SIMPLE_DEV_PM_OPS(omap_rng_pm, omap_rng_suspend, omap_rng_resume); +#define OMAP_RNG_PM (&omap_rng_pm) + #else -#define omap_rng_suspend NULL -#define omap_rng_resume NULL +#define OMAP_RNG_PM NULL #endif @@ -188,11 +190,10 @@ static struct platform_driver omap_rng_driver = { .driver = { .name = "omap_rng", .owner = THIS_MODULE, + .pm = OMAP_RNG_PM, }, .probe = omap_rng_probe, .remove = __exit_p(omap_rng_remove), - .suspend = omap_rng_suspend, - .resume = omap_rng_resume }; static int __init omap_rng_init(void) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 1e638fff40e..83f85cf7fb1 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2503,18 +2503,6 @@ static void __devexit ipmi_pci_remove(struct pci_dev *pdev) cleanup_one_si(info); } -#ifdef CONFIG_PM -static int ipmi_pci_suspend(struct pci_dev *pdev, pm_message_t state) -{ - return 0; -} - -static int ipmi_pci_resume(struct pci_dev *pdev) -{ - return 0; -} -#endif - static struct pci_device_id ipmi_pci_devices[] = { { PCI_DEVICE(PCI_HP_VENDOR_ID, PCI_MMC_DEVICE_ID) }, { PCI_DEVICE_CLASS(PCI_ERMC_CLASSCODE, PCI_ERMC_CLASSCODE_MASK) }, @@ -2527,10 +2515,6 @@ static struct pci_driver ipmi_pci_driver = { .id_table = ipmi_pci_devices, .probe = ipmi_pci_probe, .remove = __devexit_p(ipmi_pci_remove), -#ifdef CONFIG_PM - .suspend = ipmi_pci_suspend, - .resume = ipmi_pci_resume, -#endif }; #endif /* CONFIG_PCI */ diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 7ed356e5203..37b8be7cba9 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -141,17 +141,6 @@ #define IPMI_WDOG_TIMER_NOT_INIT_RESP 0x80 -/* These are here until the real ones get into the watchdog.h interface. */ -#ifndef WDIOC_GETTIMEOUT -#define WDIOC_GETTIMEOUT _IOW(WATCHDOG_IOCTL_BASE, 20, int) -#endif -#ifndef WDIOC_SET_PRETIMEOUT -#define WDIOC_SET_PRETIMEOUT _IOW(WATCHDOG_IOCTL_BASE, 21, int) -#endif -#ifndef WDIOC_GET_PRETIMEOUT -#define WDIOC_GET_PRETIMEOUT _IOW(WATCHDOG_IOCTL_BASE, 22, int) -#endif - static DEFINE_MUTEX(ipmi_watchdog_mutex); static bool nowayout = WATCHDOG_NOWAYOUT; @@ -732,7 +721,6 @@ static int ipmi_ioctl(struct file *file, return -EFAULT; return 0; - case WDIOC_SET_PRETIMEOUT: case WDIOC_SETPRETIMEOUT: i = copy_from_user(&val, argp, sizeof(int)); if (i) @@ -740,7 +728,6 @@ static int ipmi_ioctl(struct file *file, pretimeout = val; return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY); - case WDIOC_GET_PRETIMEOUT: case WDIOC_GETPRETIMEOUT: i = copy_to_user(argp, &pretimeout, sizeof(pretimeout)); if (i) diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 67c3371723c..e5eedfa24c9 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -27,14 +27,16 @@ #include <linux/splice.h> #include <linux/pfn.h> #include <linux/export.h> +#include <linux/io.h> #include <asm/uaccess.h> -#include <asm/io.h> #ifdef CONFIG_IA64 # include <linux/efi.h> #endif +#define DEVPORT_MINOR 4 + static inline unsigned long size_inside_page(unsigned long start, unsigned long size) { @@ -894,6 +896,13 @@ static int __init chr_dev_init(void) for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) { if (!devlist[minor].name) continue; + + /* + * Create /dev/port? + */ + if ((minor == DEVPORT_MINOR) && !arch_has_dev_port()) + continue; + device_create(mem_class, NULL, MKDEV(MEM_MAJOR, minor), NULL, devlist[minor].name); } diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 45713f0e7d6..f87780502b4 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -1459,7 +1459,7 @@ static int __devexit sonypi_remove(struct platform_device *dev) #ifdef CONFIG_PM static int old_camera_power; -static int sonypi_suspend(struct platform_device *dev, pm_message_t state) +static int sonypi_suspend(struct device *dev) { old_camera_power = sonypi_device.camera_power; sonypi_disable(); @@ -1467,14 +1467,16 @@ static int sonypi_suspend(struct platform_device *dev, pm_message_t state) return 0; } -static int sonypi_resume(struct platform_device *dev) +static int sonypi_resume(struct device *dev) { sonypi_enable(old_camera_power); return 0; } + +static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume); +#define SONYPI_PM (&sonypi_pm) #else -#define sonypi_suspend NULL -#define sonypi_resume NULL +#define SONYPI_PM NULL #endif static void sonypi_shutdown(struct platform_device *dev) @@ -1486,12 +1488,11 @@ static struct platform_driver sonypi_driver = { .driver = { .name = "sonypi", .owner = THIS_MODULE, + .pm = SONYPI_PM, }, .probe = sonypi_probe, .remove = __devexit_p(sonypi_remove), .shutdown = sonypi_shutdown, - .suspend = sonypi_suspend, - .resume = sonypi_resume, }; static struct platform_device *sonypi_platform_device; diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index ad7c7320dd1..817f0ee202b 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -827,10 +827,10 @@ EXPORT_SYMBOL_GPL(tpm_pcr_extend); int tpm_do_selftest(struct tpm_chip *chip) { int rc; - u8 digest[TPM_DIGEST_SIZE]; unsigned int loops; unsigned int delay_msec = 1000; unsigned long duration; + struct tpm_cmd_t cmd; duration = tpm_calc_ordinal_duration(chip, TPM_ORD_CONTINUE_SELFTEST); @@ -845,7 +845,15 @@ int tpm_do_selftest(struct tpm_chip *chip) return rc; do { - rc = __tpm_pcr_read(chip, 0, digest); + /* Attempt to read a PCR value */ + cmd.header.in = pcrread_header; + cmd.params.pcrread_in.pcr_idx = cpu_to_be32(0); + rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE); + + if (rc < TPM_HEADER_SIZE) + return -EFAULT; + + rc = be32_to_cpu(cmd.header.out.return_code); if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) { dev_info(chip->dev, "TPM is disabled/deactivated (0x%X)\n", rc); @@ -1274,7 +1282,7 @@ static struct tpm_input_header savestate_header = { * We are about to suspend. Save the TPM state * so that it can be restored. */ -int tpm_pm_suspend(struct device *dev, pm_message_t pm_state) +int tpm_pm_suspend(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); struct tpm_cmd_t cmd; @@ -1322,6 +1330,9 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume); void tpm_dev_vendor_release(struct tpm_chip *chip) { + if (!chip) + return; + if (chip->vendor.release) chip->vendor.release(chip->dev); @@ -1339,6 +1350,9 @@ void tpm_dev_release(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); + if (!chip) + return; + tpm_dev_vendor_release(chip); chip->release(dev); @@ -1405,15 +1419,12 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, "unable to misc_register %s, minor %d\n", chip->vendor.miscdev.name, chip->vendor.miscdev.minor); - put_device(chip->dev); - return NULL; + goto put_device; } if (sysfs_create_group(&dev->kobj, chip->vendor.attr_group)) { misc_deregister(&chip->vendor.miscdev); - put_device(chip->dev); - - return NULL; + goto put_device; } chip->bios_dir = tpm_bios_log_setup(devname); @@ -1425,6 +1436,8 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, return chip; +put_device: + put_device(chip->dev); out_free: kfree(chip); kfree(devname); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index b1c5280ac15..917f727e674 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -299,7 +299,7 @@ extern ssize_t tpm_write(struct file *, const char __user *, size_t, loff_t *); extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *); extern void tpm_remove_hardware(struct device *); -extern int tpm_pm_suspend(struct device *, pm_message_t); +extern int tpm_pm_suspend(struct device *); extern int tpm_pm_resume(struct device *); extern int wait_for_tpm_stat(struct tpm_chip *, u8, unsigned long, wait_queue_head_t *); diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c index c64a1bc6534..678d57019dc 100644 --- a/drivers/char/tpm/tpm_atmel.c +++ b/drivers/char/tpm/tpm_atmel.c @@ -168,22 +168,14 @@ static void atml_plat_remove(void) } } -static int tpm_atml_suspend(struct platform_device *dev, pm_message_t msg) -{ - return tpm_pm_suspend(&dev->dev, msg); -} +static SIMPLE_DEV_PM_OPS(tpm_atml_pm, tpm_pm_suspend, tpm_pm_resume); -static int tpm_atml_resume(struct platform_device *dev) -{ - return tpm_pm_resume(&dev->dev); -} static struct platform_driver atml_drv = { .driver = { .name = "tpm_atmel", .owner = THIS_MODULE, + .pm = &tpm_atml_pm, }, - .suspend = tpm_atml_suspend, - .resume = tpm_atml_resume, }; static int __init init_atmel(void) diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index 76da32e11f1..3251a44e8ce 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -4,8 +4,8 @@ * SLD 9630 TT 1.1 and SLB 9635 TT 1.2 Trusted Platform Module * Specifications at www.trustedcomputinggroup.org * - * Copyright (C) 2005, Marcel Selhorst <m.selhorst@sirrix.com> - * Sirrix AG - security technologies, http://www.sirrix.com and + * Copyright (C) 2005, Marcel Selhorst <tpmdd@selhorst.net> + * Sirrix AG - security technologies <tpmdd@sirrix.com> and * Applied Data Security Group, Ruhr-University Bochum, Germany * Project-Homepage: http://www.trust.rub.de/projects/linux-device-driver-infineon-tpm/ * @@ -671,7 +671,7 @@ static void __exit cleanup_inf(void) module_init(init_inf); module_exit(cleanup_inf); -MODULE_AUTHOR("Marcel Selhorst <m.selhorst@sirrix.com>"); +MODULE_AUTHOR("Marcel Selhorst <tpmdd@sirrix.com>"); MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2"); MODULE_VERSION("1.9.2"); MODULE_LICENSE("GPL"); diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 4d2464871ad..640c9a427b5 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -274,22 +274,13 @@ static void tpm_nsc_remove(struct device *dev) } } -static int tpm_nsc_suspend(struct platform_device *dev, pm_message_t msg) -{ - return tpm_pm_suspend(&dev->dev, msg); -} - -static int tpm_nsc_resume(struct platform_device *dev) -{ - return tpm_pm_resume(&dev->dev); -} +static SIMPLE_DEV_PM_OPS(tpm_nsc_pm, tpm_pm_suspend, tpm_pm_resume); static struct platform_driver nsc_drv = { - .suspend = tpm_nsc_suspend, - .resume = tpm_nsc_resume, .driver = { .name = "tpm_nsc", .owner = THIS_MODULE, + .pm = &tpm_nsc_pm, }, }; diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index d2a70cae76d..89682fa8801 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -750,7 +750,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev, static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg) { - return tpm_pm_suspend(&dev->dev, msg); + return tpm_pm_suspend(&dev->dev); } static int tpm_tis_pnp_resume(struct pnp_dev *dev) @@ -806,27 +806,25 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id, sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444); MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe"); #endif -static int tpm_tis_suspend(struct platform_device *dev, pm_message_t msg) -{ - return tpm_pm_suspend(&dev->dev, msg); -} -static int tpm_tis_resume(struct platform_device *dev) +static int tpm_tis_resume(struct device *dev) { - struct tpm_chip *chip = dev_get_drvdata(&dev->dev); + struct tpm_chip *chip = dev_get_drvdata(dev); if (chip->vendor.irq) tpm_tis_reenable_interrupts(chip); - return tpm_pm_resume(&dev->dev); + return tpm_pm_resume(dev); } + +static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume); + static struct platform_driver tis_drv = { .driver = { .name = "tpm_tis", .owner = THIS_MODULE, + .pm = &tpm_tis_pm, }, - .suspend = tpm_tis_suspend, - .resume = tpm_tis_resume, }; static struct platform_device *pdev; |