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path: root/drivers/mtd/nand/s3c2410.c
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Diffstat (limited to 'drivers/mtd/nand/s3c2410.c')
-rw-r--r--drivers/mtd/nand/s3c2410.c77
1 files changed, 39 insertions, 38 deletions
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 97e9b7892d29..d209214b1318 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -125,14 +125,14 @@ static struct s3c2410_nand_info *s3c2410_nand_mtd_toinfo(struct mtd_info *mtd)
125 return s3c2410_nand_mtd_toours(mtd)->info; 125 return s3c2410_nand_mtd_toours(mtd)->info;
126} 126}
127 127
128static struct s3c2410_nand_info *to_nand_info(struct device *dev) 128static struct s3c2410_nand_info *to_nand_info(struct platform_device *dev)
129{ 129{
130 return dev_get_drvdata(dev); 130 return platform_get_drvdata(dev);
131} 131}
132 132
133static struct s3c2410_platform_nand *to_nand_plat(struct device *dev) 133static struct s3c2410_platform_nand *to_nand_plat(struct platform_device *dev)
134{ 134{
135 return dev->platform_data; 135 return dev->dev.platform_data;
136} 136}
137 137
138/* timing calculations */ 138/* timing calculations */
@@ -165,9 +165,9 @@ static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
165/* controller setup */ 165/* controller setup */
166 166
167static int s3c2410_nand_inithw(struct s3c2410_nand_info *info, 167static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
168 struct device *dev) 168 struct platform_device *pdev)
169{ 169{
170 struct s3c2410_platform_nand *plat = to_nand_plat(dev); 170 struct s3c2410_platform_nand *plat = to_nand_plat(pdev);
171 unsigned long clkrate = clk_get_rate(info->clk); 171 unsigned long clkrate = clk_get_rate(info->clk);
172 int tacls, twrph0, twrph1; 172 int tacls, twrph0, twrph1;
173 unsigned long cfg; 173 unsigned long cfg;
@@ -430,11 +430,11 @@ static void s3c2410_nand_write_buf(struct mtd_info *mtd,
430 430
431/* device management functions */ 431/* device management functions */
432 432
433static int s3c2410_nand_remove(struct device *dev) 433static int s3c2410_nand_remove(struct platform_device *pdev)
434{ 434{
435 struct s3c2410_nand_info *info = to_nand_info(dev); 435 struct s3c2410_nand_info *info = to_nand_info(pdev);
436 436
437 dev_set_drvdata(dev, NULL); 437 platform_set_drvdata(pdev, NULL);
438 438
439 if (info == NULL) 439 if (info == NULL)
440 return 0; 440 return 0;
@@ -562,10 +562,9 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
562 * nand layer to look for devices 562 * nand layer to look for devices
563*/ 563*/
564 564
565static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440) 565static int s3c24xx_nand_probe(struct platform_device *pdev, int is_s3c2440)
566{ 566{
567 struct platform_device *pdev = to_platform_device(dev); 567 struct s3c2410_platform_nand *plat = to_nand_plat(pdev);
568 struct s3c2410_platform_nand *plat = to_nand_plat(dev);
569 struct s3c2410_nand_info *info; 568 struct s3c2410_nand_info *info;
570 struct s3c2410_nand_mtd *nmtd; 569 struct s3c2410_nand_mtd *nmtd;
571 struct s3c2410_nand_set *sets; 570 struct s3c2410_nand_set *sets;
@@ -575,26 +574,26 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
575 int nr_sets; 574 int nr_sets;
576 int setno; 575 int setno;
577 576
578 pr_debug("s3c2410_nand_probe(%p)\n", dev); 577 pr_debug("s3c2410_nand_probe(%p)\n", pdev);
579 578
580 info = kmalloc(sizeof(*info), GFP_KERNEL); 579 info = kmalloc(sizeof(*info), GFP_KERNEL);
581 if (info == NULL) { 580 if (info == NULL) {
582 dev_err(dev, "no memory for flash info\n"); 581 dev_err(&pdev->dev, "no memory for flash info\n");
583 err = -ENOMEM; 582 err = -ENOMEM;
584 goto exit_error; 583 goto exit_error;
585 } 584 }
586 585
587 memzero(info, sizeof(*info)); 586 memzero(info, sizeof(*info));
588 dev_set_drvdata(dev, info); 587 platform_set_drvdata(pdev, info);
589 588
590 spin_lock_init(&info->controller.lock); 589 spin_lock_init(&info->controller.lock);
591 init_waitqueue_head(&info->controller.wq); 590 init_waitqueue_head(&info->controller.wq);
592 591
593 /* get the clock source and enable it */ 592 /* get the clock source and enable it */
594 593
595 info->clk = clk_get(dev, "nand"); 594 info->clk = clk_get(&pdev->dev, "nand");
596 if (IS_ERR(info->clk)) { 595 if (IS_ERR(info->clk)) {
597 dev_err(dev, "failed to get clock"); 596 dev_err(&pdev->dev, "failed to get clock");
598 err = -ENOENT; 597 err = -ENOENT;
599 goto exit_error; 598 goto exit_error;
600 } 599 }
@@ -611,27 +610,27 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
611 info->area = request_mem_region(res->start, size, pdev->name); 610 info->area = request_mem_region(res->start, size, pdev->name);
612 611
613 if (info->area == NULL) { 612 if (info->area == NULL) {
614 dev_err(dev, "cannot reserve register region\n"); 613 dev_err(&pdev->dev, "cannot reserve register region\n");
615 err = -ENOENT; 614 err = -ENOENT;
616 goto exit_error; 615 goto exit_error;
617 } 616 }
618 617
619 info->device = dev; 618 info->device = &pdev->dev;
620 info->platform = plat; 619 info->platform = plat;
621 info->regs = ioremap(res->start, size); 620 info->regs = ioremap(res->start, size);
622 info->is_s3c2440 = is_s3c2440; 621 info->is_s3c2440 = is_s3c2440;
623 622
624 if (info->regs == NULL) { 623 if (info->regs == NULL) {
625 dev_err(dev, "cannot reserve register region\n"); 624 dev_err(&pdev->dev, "cannot reserve register region\n");
626 err = -EIO; 625 err = -EIO;
627 goto exit_error; 626 goto exit_error;
628 } 627 }
629 628
630 dev_dbg(dev, "mapped registers at %p\n", info->regs); 629 dev_dbg(&pdev->dev, "mapped registers at %p\n", info->regs);
631 630
632 /* initialise the hardware */ 631 /* initialise the hardware */
633 632
634 err = s3c2410_nand_inithw(info, dev); 633 err = s3c2410_nand_inithw(info, pdev);
635 if (err != 0) 634 if (err != 0)
636 goto exit_error; 635 goto exit_error;
637 636
@@ -645,7 +644,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
645 size = nr_sets * sizeof(*info->mtds); 644 size = nr_sets * sizeof(*info->mtds);
646 info->mtds = kmalloc(size, GFP_KERNEL); 645 info->mtds = kmalloc(size, GFP_KERNEL);
647 if (info->mtds == NULL) { 646 if (info->mtds == NULL) {
648 dev_err(dev, "failed to allocate mtd storage\n"); 647 dev_err(&pdev->dev, "failed to allocate mtd storage\n");
649 err = -ENOMEM; 648 err = -ENOMEM;
650 goto exit_error; 649 goto exit_error;
651 } 650 }
@@ -677,7 +676,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
677 return 0; 676 return 0;
678 677
679 exit_error: 678 exit_error:
680 s3c2410_nand_remove(dev); 679 s3c2410_nand_remove(pdev);
681 680
682 if (err == 0) 681 if (err == 0)
683 err = -EINVAL; 682 err = -EINVAL;
@@ -686,44 +685,46 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
686 685
687/* driver device registration */ 686/* driver device registration */
688 687
689static int s3c2410_nand_probe(struct device *dev) 688static int s3c2410_nand_probe(struct platform_device *dev)
690{ 689{
691 return s3c24xx_nand_probe(dev, 0); 690 return s3c24xx_nand_probe(dev, 0);
692} 691}
693 692
694static int s3c2440_nand_probe(struct device *dev) 693static int s3c2440_nand_probe(struct platform_device *dev)
695{ 694{
696 return s3c24xx_nand_probe(dev, 1); 695 return s3c24xx_nand_probe(dev, 1);
697} 696}
698 697
699static struct device_driver s3c2410_nand_driver = { 698static struct platform_driver s3c2410_nand_driver = {
700 .name = "s3c2410-nand",
701 .owner = THIS_MODULE,
702 .bus = &platform_bus_type,
703 .probe = s3c2410_nand_probe, 699 .probe = s3c2410_nand_probe,
704 .remove = s3c2410_nand_remove, 700 .remove = s3c2410_nand_remove,
701 .driver = {
702 .name = "s3c2410-nand",
703 .owner = THIS_MODULE,
704 },
705}; 705};
706 706
707static struct device_driver s3c2440_nand_driver = { 707static struct platform_driver s3c2440_nand_driver = {
708 .name = "s3c2440-nand",
709 .owner = THIS_MODULE,
710 .bus = &platform_bus_type,
711 .probe = s3c2440_nand_probe, 708 .probe = s3c2440_nand_probe,
712 .remove = s3c2410_nand_remove, 709 .remove = s3c2410_nand_remove,
710 .driver = {
711 .name = "s3c2440-nand",
712 .owner = THIS_MODULE,
713 },
713}; 714};
714 715
715static int __init s3c2410_nand_init(void) 716static int __init s3c2410_nand_init(void)
716{ 717{
717 printk("S3C24XX NAND Driver, (c) 2004 Simtec Electronics\n"); 718 printk("S3C24XX NAND Driver, (c) 2004 Simtec Electronics\n");
718 719
719 driver_register(&s3c2440_nand_driver); 720 platform_driver_register(&s3c2440_nand_driver);
720 return driver_register(&s3c2410_nand_driver); 721 return platform_driver_register(&s3c2410_nand_driver);
721} 722}
722 723
723static void __exit s3c2410_nand_exit(void) 724static void __exit s3c2410_nand_exit(void)
724{ 725{
725 driver_unregister(&s3c2440_nand_driver); 726 platform_driver_unregister(&s3c2440_nand_driver);
726 driver_unregister(&s3c2410_nand_driver); 727 platform_driver_unregister(&s3c2410_nand_driver);
727} 728}
728 729
729module_init(s3c2410_nand_init); 730module_init(s3c2410_nand_init);