summaryrefslogtreecommitdiff
path: root/drivers/mtd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/ftl.c24
-rw-r--r--drivers/mtd/maps/pcmciamtd.c34
-rw-r--r--drivers/mtd/maps/sun_uflash.c75
-rw-r--r--drivers/mtd/mtd_blkdevs.c16
-rw-r--r--drivers/mtd/mtdchar.c10
-rw-r--r--drivers/mtd/mtdpart.c2
-rw-r--r--drivers/mtd/nand/alauda.c4
-rw-r--r--drivers/mtd/nand/ams-delta.c4
-rw-r--r--drivers/mtd/nand/atmel_nand_ecc.h3
-rw-r--r--drivers/mtd/nand/cafe_nand.c6
-rw-r--r--drivers/mtd/nand/cmx270_nand.c2
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");