diff options
Diffstat (limited to 'drivers/s390/block/xpram.c')
-rw-r--r-- | drivers/s390/block/xpram.c | 99 |
1 files changed, 18 insertions, 81 deletions
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index 4c1e56b9b98..ca7d51f7ecc 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -48,15 +48,6 @@ #define PRINT_ERR(x...) printk(KERN_ERR XPRAM_NAME " error:" x) -static struct sysdev_class xpram_sysclass = { - set_kset_name("xpram"), -}; - -static struct sys_device xpram_sys_device = { - .id = 0, - .cls = &xpram_sysclass, -}; - typedef struct { unsigned int size; /* size of xpram segment in pages */ unsigned int offset; /* start page of xpram segment */ @@ -71,11 +62,11 @@ static int xpram_devs; /* * Parameter parsing functions. */ -static int devs = XPRAM_DEVS; -static unsigned int sizes[XPRAM_MAX_DEVS]; +static int __initdata devs = XPRAM_DEVS; +static char __initdata *sizes[XPRAM_MAX_DEVS]; module_param(devs, int, 0); -module_param_array(sizes, int, NULL, 0); +module_param_array(sizes, charp, NULL, 0); MODULE_PARM_DESC(devs, "number of devices (\"partitions\"), " \ "the default is " __MODULE_STRING(XPRAM_DEVS) "\n"); @@ -86,59 +77,6 @@ MODULE_PARM_DESC(sizes, "list of device (partition) sizes " \ "claimed by explicit sizes\n"); MODULE_LICENSE("GPL"); -#ifndef MODULE -/* - * Parses the kernel parameters given in the kernel parameter line. - * The expected format is - * <number_of_partitions>[","<partition_size>]* - * where - * devices is a positive integer that initializes xpram_devs - * each size is a non-negative integer possibly followed by a - * magnitude (k,K,m,M,g,G), the list of sizes initialises - * xpram_sizes - * - * Arguments - * str: substring of kernel parameter line that contains xprams - * kernel parameters. - * - * Result 0 on success, -EINVAL else -- only for Version > 2.3 - * - * Side effects - * the global variabls devs is set to the value of - * <number_of_partitions> and sizes[i] is set to the i-th - * partition size (if provided). A parsing error of a value - * results in this value being set to -EINVAL. - */ -static int __init xpram_setup (char *str) -{ - char *cp; - int i; - - devs = simple_strtoul(str, &cp, 10); - if (cp <= str || devs > XPRAM_MAX_DEVS) - return 0; - for (i = 0; (i < devs) && (*cp++ == ','); i++) { - sizes[i] = simple_strtoul(cp, &cp, 10); - if (*cp == 'g' || *cp == 'G') { - sizes[i] <<= 20; - cp++; - } else if (*cp == 'm' || *cp == 'M') { - sizes[i] <<= 10; - cp++; - } else if (*cp == 'k' || *cp == 'K') - cp++; - while (isspace(*cp)) cp++; - } - if (*cp == ',' && i >= devs) - PRINT_WARN("partition sizes list has too many entries.\n"); - else if (*cp != 0) - PRINT_WARN("ignored '%s' at end of parameter string.\n", cp); - return 1; -} - -__setup("xpram_parts=", xpram_setup); -#endif - /* * Copy expanded memory page (4kB) into main memory * Arguments @@ -357,6 +295,7 @@ static int __init xpram_setup_sizes(unsigned long pages) { unsigned long mem_needed; unsigned long mem_auto; + unsigned long long size; int mem_auto_no; int i; @@ -374,7 +313,19 @@ static int __init xpram_setup_sizes(unsigned long pages) mem_needed = 0; mem_auto_no = 0; for (i = 0; i < xpram_devs; i++) { - xpram_sizes[i] = (sizes[i] + 3) & -4UL; + if (sizes[i]) { + size = simple_strtoull(sizes[i], &sizes[i], 0); + switch (sizes[i][0]) { + case 'g': + case 'G': + size <<= 20; + break; + case 'm': + case 'M': + size <<= 10; + } + xpram_sizes[i] = (size + 3) & -4UL; + } if (xpram_sizes[i]) mem_needed += xpram_sizes[i]; else @@ -491,8 +442,6 @@ static void __exit xpram_exit(void) } unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME); blk_cleanup_queue(xpram_queue); - sysdev_unregister(&xpram_sys_device); - sysdev_class_unregister(&xpram_sysclass); } static int __init xpram_init(void) @@ -510,19 +459,7 @@ static int __init xpram_init(void) rc = xpram_setup_sizes(xpram_pages); if (rc) return rc; - rc = sysdev_class_register(&xpram_sysclass); - if (rc) - return rc; - - rc = sysdev_register(&xpram_sys_device); - if (rc) { - sysdev_class_unregister(&xpram_sysclass); - return rc; - } - rc = xpram_setup_blkdev(); - if (rc) - sysdev_unregister(&xpram_sys_device); - return rc; + return xpram_setup_blkdev(); } module_init(xpram_init); |