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path: root/drivers/block/mtip32xx/mtip32xx.c
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Diffstat (limited to 'drivers/block/mtip32xx/mtip32xx.c')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c51
1 files changed, 14 insertions, 37 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index b200950e8fb5..95361099a2dc 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -2259,35 +2259,20 @@ static const struct file_operations mtip_regs_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = mtip_hw_read_registers,
- .llseek = no_llseek,
};
static const struct file_operations mtip_flags_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = mtip_hw_read_flags,
- .llseek = no_llseek,
};
-static int mtip_hw_debugfs_init(struct driver_data *dd)
+static void mtip_hw_debugfs_init(struct driver_data *dd)
{
- if (!dfs_parent)
- return -1;
-
dd->dfs_node = debugfs_create_dir(dd->disk->disk_name, dfs_parent);
- if (IS_ERR_OR_NULL(dd->dfs_node)) {
- dev_warn(&dd->pdev->dev,
- "Error creating node %s under debugfs\n",
- dd->disk->disk_name);
- dd->dfs_node = NULL;
- return -1;
- }
-
debugfs_create_file("flags", 0444, dd->dfs_node, dd, &mtip_flags_fops);
debugfs_create_file("registers", 0444, dd->dfs_node, dd,
&mtip_regs_fops);
-
- return 0;
}
static void mtip_hw_debugfs_exit(struct driver_data *dd)
@@ -2716,7 +2701,12 @@ static int mtip_hw_init(struct driver_data *dd)
int rv;
unsigned long timeout, timetaken;
- dd->mmio = pcim_iomap_table(dd->pdev)[MTIP_ABAR];
+ dd->mmio = pcim_iomap_region(dd->pdev, MTIP_ABAR, MTIP_DRV_NAME);
+ if (IS_ERR(dd->mmio)) {
+ dev_err(&dd->pdev->dev, "Unable to request / ioremap PCI region\n");
+ return PTR_ERR(dd->mmio);
+ }
+
mtip_detect_product(dd);
if (dd->product_type == MTIP_PRODUCT_UNKNOWN) {
@@ -3401,6 +3391,12 @@ static const struct blk_mq_ops mtip_mq_ops = {
*/
static int mtip_block_initialize(struct driver_data *dd)
{
+ struct queue_limits lim = {
+ .physical_block_size = 4096,
+ .max_hw_sectors = 0xffff,
+ .max_segments = MTIP_MAX_SG,
+ .max_segment_size = 0x400000,
+ };
int rv = 0, wait_for_rebuild = 0;
sector_t capacity;
unsigned int index = 0;
@@ -3420,7 +3416,6 @@ static int mtip_block_initialize(struct driver_data *dd)
dd->tags.reserved_tags = 1;
dd->tags.cmd_size = sizeof(struct mtip_cmd);
dd->tags.numa_node = dd->numa_node;
- dd->tags.flags = BLK_MQ_F_SHOULD_MERGE;
dd->tags.driver_data = dd;
dd->tags.timeout = MTIP_NCQ_CMD_TIMEOUT_MS;
@@ -3431,7 +3426,7 @@ static int mtip_block_initialize(struct driver_data *dd)
goto block_queue_alloc_tag_error;
}
- dd->disk = blk_mq_alloc_disk(&dd->tags, dd);
+ dd->disk = blk_mq_alloc_disk(&dd->tags, &lim, dd);
if (IS_ERR(dd->disk)) {
dev_err(&dd->pdev->dev,
"Unable to allocate request queue\n");
@@ -3479,14 +3474,7 @@ skip_create_disk:
goto start_service_thread;
/* Set device limits. */
- blk_queue_flag_set(QUEUE_FLAG_NONROT, dd->queue);
- blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, dd->queue);
- blk_queue_max_segments(dd->queue, MTIP_MAX_SG);
- blk_queue_physical_block_size(dd->queue, 4096);
- blk_queue_max_hw_sectors(dd->queue, 0xffff);
- blk_queue_max_segment_size(dd->queue, 0x400000);
dma_set_max_seg_size(&dd->pdev->dev, 0x400000);
- blk_queue_io_min(dd->queue, 4096);
/* Set the capacity of the device in 512 byte sectors. */
if (!(mtip_hw_get_capacity(dd, &capacity))) {
@@ -3726,13 +3714,6 @@ static int mtip_pci_probe(struct pci_dev *pdev,
goto iomap_err;
}
- /* Map BAR5 to memory. */
- rv = pcim_iomap_regions(pdev, 1 << MTIP_ABAR, MTIP_DRV_NAME);
- if (rv < 0) {
- dev_err(&pdev->dev, "Unable to map regions\n");
- goto iomap_err;
- }
-
rv = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (rv) {
dev_warn(&pdev->dev, "64-bit DMA enable failed\n");
@@ -4044,10 +4025,6 @@ static int __init mtip_init(void)
mtip_major = error;
dfs_parent = debugfs_create_dir("rssd", NULL);
- if (IS_ERR_OR_NULL(dfs_parent)) {
- pr_warn("Error creating debugfs parent\n");
- dfs_parent = NULL;
- }
/* Register our PCI operations. */
error = pci_register_driver(&mtip_pci_driver);