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n64: store dev instance into disk private data 

The device instance is declared globally. Remove global variable & use
the disk->private_data to store the device instance in the
n64cart_probe() and get the same instance from bio->bi_disk->private
data in n64cart_submit_bio.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Lauri Kasanen <cand@gmx.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Chaitanya Kulkarni 2021-01-25 15:32:43 -08:00 committed by Thomas Bogendoerfer
parent 0d42478085
commit 13d41b537d
1 changed files with 2 additions and 3 deletions
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5
drivers/block/n64cart.c
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@ -30,7 +30,6 @@ enum {
#define MIN_ALIGNMENT 8
static u32 __iomem *reg_base;
static struct device *dev;
static unsigned int start;
module_param(start, uint, 0);
@ -89,6 +88,7 @@ static blk_qc_t n64cart_submit_bio(struct bio *bio)
{
struct bio_vec bvec;
struct bvec_iter iter;
struct device *dev = bio->bi_disk->private_data;
u32 pos = bio->bi_iter.bi_sector << SECTOR_SHIFT;
bio_for_each_segment(bvec, bio, iter) {
@ -140,11 +140,10 @@ static int __init n64cart_probe(struct platform_device *pdev)
if (!disk->queue)
return -ENOMEM;
dev = &pdev->dev;
disk->first_minor = 0;
disk->flags = GENHD_FL_NO_PART_SCAN | GENHD_FL_EXT_DEVT;
disk->fops = &n64cart_fops;
disk->private_data = &pdev->dev;
strcpy(disk->disk_name, "n64cart");
set_capacity(disk, size >> SECTOR_SHIFT);