From ec9e494eb99d409a7e1e97bb6c5f71e9bb5a4486 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Tue, 26 Jun 2007 13:15:22 -0700 Subject: Gut support for pre-2.6 kernels. --- linux-core/xgi_linux.h | 96 +++----------------------------------------------- 1 file changed, 4 insertions(+), 92 deletions(-) diff --git a/linux-core/xgi_linux.h b/linux-core/xgi_linux.h index 67c1af82..77660ee0 100644 --- a/linux-core/xgi_linux.h +++ b/linux-core/xgi_linux.h @@ -35,20 +35,8 @@ #include #endif -#ifndef KERNEL_VERSION /* pre-2.1.90 didn't have it */ -#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 0) -# error "This driver does not support pre-2.4 kernels!" -#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0) -#define KERNEL_2_4 -#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) -# error "This driver does not support 2.5 kernels!" -#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 7, 0) -#define KERNEL_2_6 -#else -# error "This driver does not support development kernels!" +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) +# error "This driver does not support pre-2.6 kernels!" #endif #if defined (CONFIG_SMP) && !defined (__SMP__) @@ -59,10 +47,6 @@ #define MODVERSIONS #endif -#if defined (MODVERSIONS) && !defined (KERNEL_2_6) -#include -#endif - #include /* printk */ #include @@ -88,12 +72,10 @@ #define XGI_SCAN_PROCESS(p) for_each_task(p) #endif -#ifdef KERNEL_2_6 #include /* module_param() */ #include /* kernel_locked */ #include /* flush_tlb(), flush_tlb_all() */ #include /* page table entry lookup */ -#endif #include /* pci_find_class, etc */ #include /* tasklets, interrupt helpers */ @@ -141,13 +123,8 @@ #endif #ifndef MAX_ORDER -#ifdef KERNEL_2_4 -#define MAX_ORDER 10 -#endif -#ifdef KERNEL_2_6 #define MAX_ORDER 11 #endif -#endif #ifndef module_init #define module_init(x) int init_module(void) { return x(); } @@ -171,39 +148,20 @@ typedef void irqreturn_t; pos = pos->next, prefetch(pos->next)) #endif -#ifdef KERNEL_2_4 -#define XGI_PCI_FOR_EACH_DEV(dev) pci_for_each_dev(dev) -#endif -#ifdef KERNEL_2_6 extern struct list_head pci_devices; /* list of all devices */ #define XGI_PCI_FOR_EACH_DEV(dev) \ for(dev = pci_dev_g(pci_devices.next); dev != pci_dev_g(&pci_devices); dev = pci_dev_g(dev->global_list.next)) -#endif /* * the following macro causes problems when used in the same module * as module_param(); undef it so we don't accidentally mix the two */ -#if defined (KERNEL_2_6) #undef MODULE_PARM -#endif #ifdef EXPORT_NO_SYMBOLS EXPORT_NO_SYMBOLS; #endif -#if defined (KERNEL_2_4) -#define XGI_IS_SUSER() suser() -#define XGI_PCI_DEVICE_NAME(dev) ((dev)->name) -#define XGI_NUM_CPUS() smp_num_cpus -#define XGI_CLI() __cli() -#define XGI_SAVE_FLAGS(eflags) __save_flags(eflags) -#define XGI_RESTORE_FLAGS(eflags) __restore_flags(eflags) -#define XGI_MAY_SLEEP() (!in_interrupt()) -#define XGI_MODULE_PARAMETER(x) MODULE_PARM(x, "i") -#endif - -#if defined (KERNEL_2_6) #define XGI_IS_SUSER() capable(CAP_SYS_ADMIN) #define XGI_PCI_DEVICE_NAME(dev) ((dev)->pretty_name) #define XGI_NUM_CPUS() num_online_cpus() @@ -212,7 +170,7 @@ EXPORT_NO_SYMBOLS; #define XGI_RESTORE_FLAGS(eflags) local_irq_restore(eflags) #define XGI_MAY_SLEEP() (!in_interrupt() && !in_atomic()) #define XGI_MODULE_PARAMETER(x) module_param(x, int, 0) -#endif + /* Earlier 2.4.x kernels don't have pci_disable_device() */ #ifdef XGI_PCI_DISABLE_DEVICE_PRESENT @@ -255,7 +213,7 @@ EXPORT_NO_SYMBOLS; * model is not sufficient for full acpi support. it may work in some cases, * but not enough for us to officially support this configuration. */ -#if defined(CONFIG_ACPI) && defined(KERNEL_2_6) +#if defined(CONFIG_ACPI) #define XGI_PM_SUPPORT_ACPI #endif @@ -264,7 +222,6 @@ EXPORT_NO_SYMBOLS; #endif #if defined(CONFIG_DEVFS_FS) -#if defined(KERNEL_2_6) typedef void *devfs_handle_t; #define XGI_DEVFS_REGISTER(_name, _minor) \ ({ \ @@ -281,39 +238,10 @@ typedef void *devfs_handle_t; */ #define XGI_DEVFS_REMOVE_CONTROL() devfs_remove("xgi_ctl") #define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi") -#else // defined(KERNEL_2_4) -#define XGI_DEVFS_REGISTER(_name, _minor) \ - ({ \ - devfs_handle_t __handle = devfs_register(NULL, _name, DEVFS_FL_AUTO_DEVNUM, \ - XGI_DEV_MAJOR, _minor, \ - S_IFCHR | S_IRUGO | S_IWUGO, &xgi_fops, NULL); \ - __handle; \ - }) - -#define XGI_DEVFS_REMOVE_DEVICE(i) \ - ({ \ - if (xgi_devfs_handles[i] != NULL) \ - { \ - devfs_unregister(xgi_devfs_handles[i]); \ - } \ - }) -#define XGI_DEVFS_REMOVE_CONTROL() \ - ({ \ - if (xgi_devfs_handles[0] != NULL) \ - { \ - devfs_unregister(xgi_devfs_handles[0]); \ - } \ - }) -#endif /* defined(KERNEL_2_4) */ #endif /* defined(CONFIG_DEVFS_FS) */ -#if defined(CONFIG_DEVFS_FS) && !defined(KERNEL_2_6) -#define XGI_REGISTER_CHRDEV(x...) devfs_register_chrdev(x) -#define XGI_UNREGISTER_CHRDEV(x...) devfs_unregister_chrdev(x) -#else #define XGI_REGISTER_CHRDEV(x...) register_chrdev(x) #define XGI_UNREGISTER_CHRDEV(x...) unregister_chrdev(x) -#endif #if defined(XGI_REMAP_PFN_RANGE_PRESENT) #define XGI_REMAP_PAGE_RANGE(from, offset, x...) \ @@ -519,17 +447,6 @@ static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr) #define XGI_SET_PAGE_ATTRIB_CACHED(page_list) #endif -#ifdef KERNEL_2_4 -#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count) -#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count) -#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count) -#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v) - -#define XGILockPage(page) set_bit(PG_locked, &(page)->flags) -#define XGIUnlockPage(page) clear_bit(PG_locked, &(page)->flags) -#endif - -#ifdef KERNEL_2_6 /* add for SUSE 9, Jill*/ #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 4) #define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count) @@ -544,7 +461,6 @@ static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr) #endif #define XGILockPage(page) SetPageLocked(page) #define XGIUnlockPage(page) ClearPageLocked(page) -#endif /* * hide a pointer to struct xgi_info_t in a file-private info @@ -564,11 +480,7 @@ typedef struct { /* for the card devices */ #define XGI_INFO_FROM_FP(filp) (XGI_GET_FP(filp)->info) -#ifdef KERNEL_2_0 -#define INODE_FROM_FP(filp) ((filp)->f_inode) -#else #define INODE_FROM_FP(filp) ((filp)->f_dentry->d_inode) -#endif #define XGI_ATOMIC_SET(data,val) atomic_set(&(data), (val)) #define XGI_ATOMIC_INC(data) atomic_inc(&(data)) -- cgit v1.2.3