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-rw-r--r--drivers/mtd/mtd_blkdevs.c31
-rw-r--r--drivers/mtd/nand/jz4740_nand.c23
-rw-r--r--drivers/mtd/nand/nand_base.c7
-rw-r--r--drivers/mtd/ubi/block.c8
-rw-r--r--drivers/mtd/ubi/build.c16
5 files changed, 37 insertions, 48 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 6b8d5cd7dbf6..f336a9b85576 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -73,7 +73,7 @@ static void blktrans_dev_put(struct mtd_blktrans_dev *dev)
}
-static int do_blktrans_request(struct mtd_blktrans_ops *tr,
+static blk_status_t do_blktrans_request(struct mtd_blktrans_ops *tr,
struct mtd_blktrans_dev *dev,
struct request *req)
{
@@ -84,33 +84,37 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr,
nsect = blk_rq_cur_bytes(req) >> tr->blkshift;
buf = bio_data(req->bio);
- if (req_op(req) == REQ_OP_FLUSH)
- return tr->flush(dev);
+ if (req_op(req) == REQ_OP_FLUSH) {
+ if (tr->flush(dev))
+ return BLK_STS_IOERR;
+ return BLK_STS_OK;
+ }
if (blk_rq_pos(req) + blk_rq_cur_sectors(req) >
get_capacity(req->rq_disk))
- return -EIO;
+ return BLK_STS_IOERR;
switch (req_op(req)) {
case REQ_OP_DISCARD:
- return tr->discard(dev, block, nsect);
+ if (tr->discard(dev, block, nsect))
+ return BLK_STS_IOERR;
+ return BLK_STS_OK;
case REQ_OP_READ:
for (; nsect > 0; nsect--, block++, buf += tr->blksize)
if (tr->readsect(dev, block, buf))
- return -EIO;
+ return BLK_STS_IOERR;
rq_flush_dcache_pages(req);
- return 0;
+ return BLK_STS_OK;
case REQ_OP_WRITE:
if (!tr->writesect)
- return -EIO;
+ return BLK_STS_IOERR;
rq_flush_dcache_pages(req);
for (; nsect > 0; nsect--, block++, buf += tr->blksize)
if (tr->writesect(dev, block, buf))
- return -EIO;
- return 0;
+ return BLK_STS_IOERR;
default:
- return -EIO;
+ return BLK_STS_IOERR;
}
}
@@ -132,7 +136,7 @@ static void mtd_blktrans_work(struct work_struct *work)
spin_lock_irq(rq->queue_lock);
while (1) {
- int res;
+ blk_status_t res;
dev->bg_stop = false;
if (!req && !(req = blk_fetch_request(rq))) {
@@ -178,7 +182,7 @@ static void mtd_blktrans_request(struct request_queue *rq)
if (!dev)
while ((req = blk_fetch_request(rq)) != NULL)
- __blk_end_request_all(req, -ENODEV);
+ __blk_end_request_all(req, BLK_STS_IOERR);
else
queue_work(dev->wq, &dev->work);
}
@@ -413,6 +417,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
new->rq->queuedata = new;
blk_queue_logical_block_size(new->rq, tr->blksize);
+ blk_queue_bounce_limit(new->rq, BLK_BOUNCE_HIGH);
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, new->rq);
queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, new->rq);
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
index 5551c36adbdf..0d06a1f07d82 100644
--- a/drivers/mtd/nand/jz4740_nand.c
+++ b/drivers/mtd/nand/jz4740_nand.c
@@ -25,7 +25,6 @@
#include <linux/gpio.h>
-#include <asm/mach-jz4740/gpio.h>
#include <asm/mach-jz4740/jz4740_nand.h>
#define JZ_REG_NAND_CTRL 0x50
@@ -310,34 +309,20 @@ static int jz_nand_detect_bank(struct platform_device *pdev,
uint8_t *nand_dev_id)
{
int ret;
- int gpio;
- char gpio_name[9];
char res_name[6];
uint32_t ctrl;
struct nand_chip *chip = &nand->chip;
struct mtd_info *mtd = nand_to_mtd(chip);
- /* Request GPIO port. */
- gpio = JZ_GPIO_MEM_CS0 + bank - 1;
- sprintf(gpio_name, "NAND CS%d", bank);
- ret = gpio_request(gpio, gpio_name);
- if (ret) {
- dev_warn(&pdev->dev,
- "Failed to request %s gpio %d: %d\n",
- gpio_name, gpio, ret);
- goto notfound_gpio;
- }
-
/* Request I/O resource. */
sprintf(res_name, "bank%d", bank);
ret = jz_nand_ioremap_resource(pdev, res_name,
&nand->bank_mem[bank - 1],
&nand->bank_base[bank - 1]);
if (ret)
- goto notfound_resource;
+ return ret;
/* Enable chip in bank. */
- jz_gpio_set_function(gpio, JZ_GPIO_FUNC_MEM_CS0);
ctrl = readl(nand->base + JZ_REG_NAND_CTRL);
ctrl |= JZ_NAND_CTRL_ENABLE_CHIP(bank - 1);
writel(ctrl, nand->base + JZ_REG_NAND_CTRL);
@@ -377,12 +362,8 @@ notfound_id:
dev_info(&pdev->dev, "No chip found on bank %i\n", bank);
ctrl &= ~(JZ_NAND_CTRL_ENABLE_CHIP(bank - 1));
writel(ctrl, nand->base + JZ_REG_NAND_CTRL);
- jz_gpio_set_function(gpio, JZ_GPIO_FUNC_NONE);
jz_nand_iounmap_resource(nand->bank_mem[bank - 1],
nand->bank_base[bank - 1]);
-notfound_resource:
- gpio_free(gpio);
-notfound_gpio:
return ret;
}
@@ -503,7 +484,6 @@ err_nand_release:
err_unclaim_banks:
while (chipnr--) {
unsigned char bank = nand->banks[chipnr];
- gpio_free(JZ_GPIO_MEM_CS0 + bank - 1);
jz_nand_iounmap_resource(nand->bank_mem[bank - 1],
nand->bank_base[bank - 1]);
}
@@ -530,7 +510,6 @@ static int jz_nand_remove(struct platform_device *pdev)
if (bank != 0) {
jz_nand_iounmap_resource(nand->bank_mem[bank - 1],
nand->bank_base[bank - 1]);
- gpio_free(JZ_GPIO_MEM_CS0 + bank - 1);
}
}
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 5d865123c385..5fa5ddc94834 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -502,10 +502,12 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
* specify how to write bad block markers to OOB (chip->block_markbad).
*
* We try operations in the following order:
+ *
* (1) erase the affected block, to allow OOB marker to be written cleanly
* (2) write bad block marker to OOB area of affected block (unless flag
* NAND_BBT_NO_OOB_BBM is present)
* (3) update the BBT
+ *
* Note that we retain the first error encountered in (2) or (3), finish the
* procedures, and dump the error in the end.
*/
@@ -1242,9 +1244,10 @@ int nand_reset(struct nand_chip *chip, int chipnr)
* @mtd: mtd info
* @ofs: offset to start unlock from
* @len: length to unlock
- * @invert: when = 0, unlock the range of blocks within the lower and
+ * @invert:
+ * - when = 0, unlock the range of blocks within the lower and
* upper boundary address
- * when = 1, unlock the range of blocks outside the boundaries
+ * - when = 1, unlock the range of blocks outside the boundaries
* of the lower and upper boundary address
*
* Returs unlock status.
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 5497e65439df..c3963f880448 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -313,10 +313,10 @@ static void ubiblock_do_work(struct work_struct *work)
ret = ubiblock_read(pdu);
rq_flush_dcache_pages(req);
- blk_mq_end_request(req, ret);
+ blk_mq_end_request(req, errno_to_blk_status(ret));
}
-static int ubiblock_queue_rq(struct blk_mq_hw_ctx *hctx,
+static blk_status_t ubiblock_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
struct request *req = bd->rq;
@@ -327,9 +327,9 @@ static int ubiblock_queue_rq(struct blk_mq_hw_ctx *hctx,
case REQ_OP_READ:
ubi_sgl_init(&pdu->usgl);
queue_work(dev->wq, &pdu->work);
- return BLK_MQ_RQ_QUEUE_OK;
+ return BLK_STS_OK;
default:
- return BLK_MQ_RQ_QUEUE_ERROR;
+ return BLK_STS_IOERR;
}
}
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 93e5d251a9e4..d854521962ef 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -104,23 +104,25 @@ DEFINE_MUTEX(ubi_devices_mutex);
static DEFINE_SPINLOCK(ubi_devices_lock);
/* "Show" method for files in '/<sysfs>/class/ubi/' */
-static ssize_t ubi_version_show(struct class *class,
- struct class_attribute *attr, char *buf)
+/* UBI version attribute ('/<sysfs>/class/ubi/version') */
+static ssize_t version_show(struct class *class, struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%d\n", UBI_VERSION);
}
+static CLASS_ATTR_RO(version);
-/* UBI version attribute ('/<sysfs>/class/ubi/version') */
-static struct class_attribute ubi_class_attrs[] = {
- __ATTR(version, S_IRUGO, ubi_version_show, NULL),
- __ATTR_NULL
+static struct attribute *ubi_class_attrs[] = {
+ &class_attr_version.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(ubi_class);
/* Root UBI "class" object (corresponds to '/<sysfs>/class/ubi/') */
struct class ubi_class = {
.name = UBI_NAME_STR,
.owner = THIS_MODULE,
- .class_attrs = ubi_class_attrs,
+ .class_groups = ubi_class_groups,
};
static ssize_t dev_attribute_show(struct device *dev,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.