diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/ftl.c | 24 | ||||
-rw-r--r-- | drivers/mtd/maps/pcmciamtd.c | 34 | ||||
-rw-r--r-- | drivers/mtd/maps/sun_uflash.c | 75 | ||||
-rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 16 | ||||
-rw-r--r-- | drivers/mtd/mtdchar.c | 10 | ||||
-rw-r--r-- | drivers/mtd/mtdpart.c | 2 | ||||
-rw-r--r-- | drivers/mtd/nand/alauda.c | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/ams-delta.c | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/atmel_nand_ecc.h | 3 | ||||
-rw-r--r-- | drivers/mtd/nand/cafe_nand.c | 6 | ||||
-rw-r--r-- | drivers/mtd/nand/cmx270_nand.c | 2 |
11 files changed, 102 insertions, 78 deletions
diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c index f34f20c78911..9bf581c4f740 100644 --- a/drivers/mtd/ftl.c +++ b/drivers/mtd/ftl.c @@ -1005,6 +1005,29 @@ static int ftl_writesect(struct mtd_blktrans_dev *dev, return ftl_write((void *)dev, buf, block, 1); } +static int ftl_discardsect(struct mtd_blktrans_dev *dev, + unsigned long sector, unsigned nr_sects) +{ + partition_t *part = (void *)dev; + uint32_t bsize = 1 << part->header.EraseUnitSize; + + DEBUG(1, "FTL erase sector %ld for %d sectors\n", + sector, nr_sects); + + while (nr_sects) { + uint32_t old_addr = part->VirtualBlockMap[sector]; + if (old_addr != 0xffffffff) { + part->VirtualBlockMap[sector] = 0xffffffff; + part->EUNInfo[old_addr/bsize].Deleted++; + if (set_bam_entry(part, old_addr, 0)) + return -EIO; + } + nr_sects--; + sector++; + } + + return 0; +} /*====================================================================*/ static void ftl_freepart(partition_t *part) @@ -1069,6 +1092,7 @@ static struct mtd_blktrans_ops ftl_tr = { .blksize = SECTOR_SIZE, .readsect = ftl_readsect, .writesect = ftl_writesect, + .discard = ftl_discardsect, .getgeo = ftl_getgeo, .add_mtd = ftl_add_mtd, .remove_dev = ftl_remove_dev, diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index 90924fb00481..d600c2deff73 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -118,7 +118,8 @@ static caddr_t remap_window(struct map_info *map, unsigned long to) DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x", dev->offset, mrq.CardOffset); mrq.Page = 0; - if( (ret = pcmcia_map_mem_page(win, &mrq)) != CS_SUCCESS) { + ret = pcmcia_map_mem_page(win, &mrq); + if (ret != 0) { cs_error(dev->p_dev, MapMemPage, ret); return NULL; } @@ -326,9 +327,8 @@ static void pcmciamtd_set_vpp(struct map_info *map, int on) DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp); ret = pcmcia_modify_configuration(link, &mod); - if(ret != CS_SUCCESS) { + if (ret != 0) cs_error(link, ModifyConfiguration, ret); - } } @@ -368,14 +368,14 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *link, tuple.DesiredTuple = RETURN_FIRST_TUPLE; rc = pcmcia_get_first_tuple(link, &tuple); - while(rc == CS_SUCCESS) { + while (rc == 0) { rc = pcmcia_get_tuple_data(link, &tuple); - if(rc != CS_SUCCESS) { + if (rc != 0) { cs_error(link, GetTupleData, rc); break; } - rc = pcmcia_parse_tuple(link, &tuple, &parse); - if(rc != CS_SUCCESS) { + rc = pcmcia_parse_tuple(&tuple, &parse); + if (rc != 0) { cs_error(link, ParseTuple, rc); break; } @@ -493,18 +493,11 @@ static int pcmciamtd_config(struct pcmcia_device *link) int last_ret = 0, last_fn = 0; int ret; int i; - config_info_t t; static char *probes[] = { "jedec_probe", "cfi_probe" }; int new_name = 0; DEBUG(3, "link=0x%p", link); - DEBUG(2, "Validating CIS"); - ret = pcmcia_validate_cis(link, NULL); - if(ret != CS_SUCCESS) { - cs_error(link, GetTupleData, ret); - } - card_settings(dev, link, &new_name); dev->pcmcia_map.phys = NO_XIP; @@ -571,10 +564,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) dev->pcmcia_map.map_priv_1 = (unsigned long)dev; dev->pcmcia_map.map_priv_2 = (unsigned long)link->win; - DEBUG(2, "Getting configuration"); - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &t)); - DEBUG(2, "Vcc = %d Vpp1 = %d Vpp2 = %d", t.Vcc, t.Vpp1, t.Vpp2); - dev->vpp = (vpp) ? vpp : t.Vpp1; + dev->vpp = (vpp) ? vpp : link->socket.socket.Vpp; link->conf.Attributes = 0; if(setvpp == 2) { link->conf.Vpp = dev->vpp; @@ -583,16 +573,10 @@ static int pcmciamtd_config(struct pcmcia_device *link) } link->conf.IntType = INT_MEMORY; - link->conf.ConfigBase = t.ConfigBase; - link->conf.Status = t.Status; - link->conf.Pin = t.Pin; - link->conf.Copy = t.Copy; - link->conf.ExtStatus = t.ExtStatus; link->conf.ConfigIndex = 0; - link->conf.Present = t.Present; DEBUG(2, "Setting Configuration"); ret = pcmcia_request_configuration(link, &link->conf); - if(ret != CS_SUCCESS) { + if (ret != 0) { cs_error(link, RequestConfiguration, ret); if (dev->win_base) { iounmap(dev->win_base); diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c index 0d7c88396c88..fd7a1017399a 100644 --- a/drivers/mtd/maps/sun_uflash.c +++ b/drivers/mtd/maps/sun_uflash.c @@ -1,13 +1,10 @@ -/* - * - * sun_uflash - Driver implementation for user-programmable flash - * present on many Sun Microsystems SME boardsets. +/* sun_uflash.c - Driver for user-programmable flash on + * Sun Microsystems SME boardsets. * * This driver does NOT provide access to the OBP-flash for * safety reasons-- use <linux>/drivers/sbus/char/flash.c instead. * * Copyright (c) 2001 Eric Brower (ebrower@usa.net) - * */ #include <linux/kernel.h> @@ -16,8 +13,8 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/ioport.h> -#include <asm/ebus.h> -#include <asm/oplib.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <asm/prom.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -26,67 +23,65 @@ #include <linux/mtd/map.h> #define UFLASH_OBPNAME "flashprom" -#define UFLASH_DEVNAME "userflash" +#define DRIVER_NAME "sun_uflash" +#define PFX DRIVER_NAME ": " #define UFLASH_WINDOW_SIZE 0x200000 #define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */ MODULE_AUTHOR("Eric Brower <ebrower@usa.net>"); MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets"); -MODULE_SUPPORTED_DEVICE("userflash"); +MODULE_SUPPORTED_DEVICE(DRIVER_NAME); MODULE_LICENSE("GPL"); -MODULE_VERSION("2.0"); +MODULE_VERSION("2.1"); -static LIST_HEAD(device_list); struct uflash_dev { const char *name; /* device name */ struct map_info map; /* mtd map info */ struct mtd_info *mtd; /* mtd info */ }; - struct map_info uflash_map_templ = { .name = "SUNW,???-????", .size = UFLASH_WINDOW_SIZE, .bankwidth = UFLASH_BUSWIDTH, }; -int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp) +int uflash_devinit(struct of_device *op, struct device_node *dp) { struct uflash_dev *up; - struct resource *res; - res = &edev->resource[0]; - - if (edev->num_addrs != 1) { + if (op->resource[1].flags) { /* Non-CFI userflash device-- once I find one we * can work on supporting it. */ - printk("%s: unsupported device at 0x%llx (%d regs): " \ - "email ebrower@usa.net\n", - dp->full_name, (unsigned long long)res->start, - edev->num_addrs); + printk(KERN_ERR PFX "Unsupported device at %s, 0x%llx\n", + dp->full_name, (unsigned long long)op->resource[0].start); return -ENODEV; } up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL); - if (!up) + if (!up) { + printk(KERN_ERR PFX "Cannot allocate struct uflash_dev\n"); return -ENOMEM; + } /* copy defaults and tweak parameters */ memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ)); - up->map.size = (res->end - res->start) + 1UL; + + up->map.size = resource_size(&op->resource[0]); up->name = of_get_property(dp, "model", NULL); if (up->name && 0 < strlen(up->name)) up->map.name = (char *)up->name; - up->map.phys = res->start; + up->map.phys = op->resource[0].start; - up->map.virt = ioremap_nocache(res->start, up->map.size); + up->map.virt = of_ioremap(&op->resource[0], 0, up->map.size, + DRIVER_NAME); if (!up->map.virt) { - printk("%s: Failed to map device.\n", dp->full_name); + printk(KERN_ERR PFX "Failed to map device.\n"); kfree(up); return -EINVAL; @@ -97,7 +92,7 @@ int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp) /* MTD registration */ up->mtd = do_map_probe("cfi_probe", &up->map); if (!up->mtd) { - iounmap(up->map.virt); + of_iounmap(&op->resource[0], up->map.virt, up->map.size); kfree(up); return -ENXIO; @@ -107,32 +102,34 @@ int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp) add_mtd_device(up->mtd); - dev_set_drvdata(&edev->ofdev.dev, up); + dev_set_drvdata(&op->dev, up); return 0; } -static int __devinit uflash_probe(struct of_device *dev, const struct of_device_id *match) +static int __devinit uflash_probe(struct of_device *op, const struct of_device_id *match) { - struct linux_ebus_device *edev = to_ebus_device(&dev->dev); - struct device_node *dp = dev->node; + struct device_node *dp = op->node; - if (of_find_property(dp, "user", NULL)) + /* Flashprom must have the "user" property in order to + * be used by this driver. + */ + if (!of_find_property(dp, "user", NULL)) return -ENODEV; - return uflash_devinit(edev, dp); + return uflash_devinit(op, dp); } -static int __devexit uflash_remove(struct of_device *dev) +static int __devexit uflash_remove(struct of_device *op) { - struct uflash_dev *up = dev_get_drvdata(&dev->dev); + struct uflash_dev *up = dev_get_drvdata(&op->dev); if (up->mtd) { del_mtd_device(up->mtd); map_destroy(up->mtd); } if (up->map.virt) { - iounmap(up->map.virt); + of_iounmap(&op->resource[0], up->map.virt, up->map.size); up->map.virt = NULL; } @@ -141,7 +138,7 @@ static int __devexit uflash_remove(struct of_device *dev) return 0; } -static struct of_device_id uflash_match[] = { +static const struct of_device_id uflash_match[] = { { .name = UFLASH_OBPNAME, }, @@ -151,7 +148,7 @@ static struct of_device_id uflash_match[] = { MODULE_DEVICE_TABLE(of, uflash_match); static struct of_platform_driver uflash_driver = { - .name = UFLASH_DEVNAME, + .name = DRIVER_NAME, .match_table = uflash_match, .probe = uflash_probe, .remove = __devexit_p(uflash_remove), @@ -159,7 +156,7 @@ static struct of_platform_driver uflash_driver = { static int __init uflash_init(void) { - return of_register_driver(&uflash_driver, &ebus_bus_type); + return of_register_driver(&uflash_driver, &of_bus_type); } static void __exit uflash_exit(void) diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 9ff007c4962c..681d5aca2af4 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -32,6 +32,14 @@ struct mtd_blkcore_priv { spinlock_t queue_lock; }; +static int blktrans_discard_request(struct request_queue *q, + struct request *req) +{ + req->cmd_type = REQ_TYPE_LINUX_BLOCK; + req->cmd[0] = REQ_LB_OP_DISCARD; + return 0; +} + static int do_blktrans_request(struct mtd_blktrans_ops *tr, struct mtd_blktrans_dev *dev, struct request *req) @@ -44,6 +52,10 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, buf = req->buffer; + if (req->cmd_type == REQ_TYPE_LINUX_BLOCK && + req->cmd[0] == REQ_LB_OP_DISCARD) + return !tr->discard(dev, block, nsect); + if (!blk_fs_request(req)) return 0; @@ -367,6 +379,10 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) tr->blkcore_priv->rq->queuedata = tr; blk_queue_hardsect_size(tr->blkcore_priv->rq, tr->blksize); + if (tr->discard) + blk_queue_set_discard(tr->blkcore_priv->rq, + blktrans_discard_request); + tr->blkshift = ffs(tr->blksize) - 1; tr->blkcore_priv->thread = kthread_run(mtd_blktrans_thread, tr, diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index e00d424e6575..1c74762dec89 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -26,13 +26,11 @@ static void mtd_notify_add(struct mtd_info* mtd) if (!mtd) return; - device_create_drvdata(mtd_class, NULL, - MKDEV(MTD_CHAR_MAJOR, mtd->index*2), - NULL, "mtd%d", mtd->index); + device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2), + NULL, "mtd%d", mtd->index); - device_create_drvdata(mtd_class, NULL, - MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), - NULL, "mtd%dro", mtd->index); + device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), + NULL, "mtd%dro", mtd->index); } static void mtd_notify_remove(struct mtd_info* mtd) diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index edb90b58a9b1..9a06dc93ee0d 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -564,10 +564,8 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types, for ( ; ret <= 0 && *types; types++) { parser = get_partition_parser(*types); -#ifdef CONFIG_KMOD if (!parser && !request_module("%s", *types)) parser = get_partition_parser(*types); -#endif if (!parser) { printk(KERN_NOTICE "%s partition parsing not available\n", *types); diff --git a/drivers/mtd/nand/alauda.c b/drivers/mtd/nand/alauda.c index 257937cd99bf..962380394855 100644 --- a/drivers/mtd/nand/alauda.c +++ b/drivers/mtd/nand/alauda.c @@ -691,7 +691,7 @@ static int alauda_probe(struct usb_interface *interface, al[0].port = ALAUDA_PORT_XD; al[1].port = ALAUDA_PORT_SM; - info("alauda probed"); + dev_info(&interface->dev, "alauda probed\n"); alauda_check_media(al); alauda_check_media(al+1); @@ -716,7 +716,7 @@ static void alauda_disconnect(struct usb_interface *interface) if (al) kref_put(&al->kref, alauda_delete); - info("alauda gone"); + dev_info(&interface->dev, "alauda gone"); } static struct usb_driver alauda_driver = { diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index 26d42987971f..782994ead0e8 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -145,7 +145,7 @@ static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd, static int ams_delta_nand_ready(struct mtd_info *mtd) { - return omap_get_gpio_datain(AMS_DELTA_GPIO_PIN_NAND_RB); + return gpio_get_value(AMS_DELTA_GPIO_PIN_NAND_RB); } /* @@ -185,7 +185,7 @@ static int __init ams_delta_init(void) this->read_buf = ams_delta_read_buf; this->verify_buf = ams_delta_verify_buf; this->cmd_ctrl = ams_delta_hwcontrol; - if (!omap_request_gpio(AMS_DELTA_GPIO_PIN_NAND_RB)) { + if (gpio_request(AMS_DELTA_GPIO_PIN_NAND_RB, "nand_rdy") == 0) { this->dev_ready = ams_delta_nand_ready; } else { this->dev_ready = NULL; diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/atmel_nand_ecc.h index 1ee7f993db1c..578c776e1356 100644 --- a/drivers/mtd/nand/atmel_nand_ecc.h +++ b/drivers/mtd/nand/atmel_nand_ecc.h @@ -2,6 +2,9 @@ * Error Corrected Code Controller (ECC) - System peripherals regsters. * Based on AT91SAM9260 datasheet revision B. * + * Copyright (C) 2007 Andrew Victor + * Copyright (C) 2007 Atmel Corporation. + * * 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 diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index 95345d051579..b8064bf3aee4 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -1,6 +1,9 @@ /* * Driver for One Laptop Per Child ‘CAFÉ’ controller, aka Marvell 88ALP01 * + * The data sheet for this device can be found at: + * http://www.marvell.com/products/pcconn/88ALP01.jsp + * * Copyright © 2006 Red Hat, Inc. * Copyright © 2006 David Woodhouse <dwmw2@infradead.org> */ @@ -842,7 +845,8 @@ static void __devexit cafe_nand_remove(struct pci_dev *pdev) } static struct pci_device_id cafe_nand_tbl[] = { - { 0x11ab, 0x4100, PCI_ANY_ID, PCI_ANY_ID }, + { PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_88ALP01_NAND, + PCI_ANY_ID, PCI_ANY_ID }, { } }; diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c index 9eba3f04783a..fa129c09bca8 100644 --- a/drivers/mtd/nand/cmx270_nand.c +++ b/drivers/mtd/nand/cmx270_nand.c @@ -156,7 +156,7 @@ static int cmx270_init(void) int mtd_parts_nb = 0; int ret; - if (!machine_is_armcore()) + if (!(machine_is_armcore() && cpu_is_pxa27x())) return -ENODEV; ret = gpio_request(GPIO_NAND_CS, "NAND CS"); |