diff options
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r-- | drivers/pci/pci-sysfs.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 284e83a527f9..1b7b2812bf2d 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -20,7 +20,7 @@ #include <linux/stat.h> #include <linux/topology.h> #include <linux/mm.h> - +#include <linux/capability.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -213,7 +213,8 @@ struct device_attribute pci_dev_attrs[] = { }; static ssize_t -pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count) +pci_read_config(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { struct pci_dev *dev = to_pci_dev(container_of(kobj,struct device,kobj)); unsigned int size = 64; @@ -285,7 +286,8 @@ pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count) } static ssize_t -pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count) +pci_write_config(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { struct pci_dev *dev = to_pci_dev(container_of(kobj,struct device,kobj)); unsigned int size = count; @@ -352,7 +354,8 @@ pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count) * callback routine (pci_legacy_read). */ ssize_t -pci_read_legacy_io(struct kobject *kobj, char *buf, loff_t off, size_t count) +pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { struct pci_bus *bus = to_pci_bus(container_of(kobj, struct class_device, @@ -376,7 +379,8 @@ pci_read_legacy_io(struct kobject *kobj, char *buf, loff_t off, size_t count) * callback routine (pci_legacy_write). */ ssize_t -pci_write_legacy_io(struct kobject *kobj, char *buf, loff_t off, size_t count) +pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { struct pci_bus *bus = to_pci_bus(container_of(kobj, struct class_device, @@ -499,7 +503,6 @@ static int pci_create_resource_files(struct pci_dev *pdev) sprintf(res_attr_name, "resource%d", i); res_attr->attr.name = res_attr_name; res_attr->attr.mode = S_IRUSR | S_IWUSR; - res_attr->attr.owner = THIS_MODULE; res_attr->size = pci_resource_len(pdev, i); res_attr->mmap = pci_mmap_resource; res_attr->private = &pdev->resource[i]; @@ -529,7 +532,8 @@ static inline void pci_remove_resource_files(struct pci_dev *dev) { return; } * writing anything except 0 enables it */ static ssize_t -pci_write_rom(struct kobject *kobj, char *buf, loff_t off, size_t count) +pci_write_rom(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj)); @@ -552,7 +556,8 @@ pci_write_rom(struct kobject *kobj, char *buf, loff_t off, size_t count) * device corresponding to @kobj. */ static ssize_t -pci_read_rom(struct kobject *kobj, char *buf, loff_t off, size_t count) +pci_read_rom(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) { struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj)); void __iomem *rom; @@ -582,7 +587,6 @@ static struct bin_attribute pci_config_attr = { .attr = { .name = "config", .mode = S_IRUGO | S_IWUSR, - .owner = THIS_MODULE, }, .size = 256, .read = pci_read_config, @@ -593,13 +597,17 @@ static struct bin_attribute pcie_config_attr = { .attr = { .name = "config", .mode = S_IRUGO | S_IWUSR, - .owner = THIS_MODULE, }, .size = 4096, .read = pci_read_config, .write = pci_write_config, }; +int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev) +{ + return 0; +} + int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) { struct bin_attribute *rom_attr = NULL; @@ -628,7 +636,6 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) rom_attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE); rom_attr->attr.name = "rom"; rom_attr->attr.mode = S_IRUSR; - rom_attr->attr.owner = THIS_MODULE; rom_attr->read = pci_read_rom; rom_attr->write = pci_write_rom; retval = sysfs_create_bin_file(&pdev->dev.kobj, rom_attr); @@ -640,10 +647,14 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) } } /* add platform-specific attributes */ - pcibios_add_platform_entries(pdev); + if (pcibios_add_platform_entries(pdev)) + goto err_rom_file; return 0; +err_rom_file: + if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) + sysfs_remove_bin_file(&pdev->dev.kobj, rom_attr); err_rom: kfree(rom_attr); err_resource_files: |