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Char: moxa, pci io space fixup 

- request region before remapping pci io space
- use ioremap, iounmap istead of iomap interface, because we use
  readX/writeX for accessing this space because of isa support

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Tested-by: Oyvind Aabling <Oyvind.Aabling@uni-c.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Jiri Slaby 2008-04-30 00:53:37 -07:00 committed by Linus Torvalds
parent d353eca4e0
commit e46a5e3ff0
1 changed files with 13 additions and 3 deletions
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16
drivers/char/moxa.c
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@ -290,10 +290,17 @@ static int __devinit moxa_pci_probe(struct pci_dev *pdev,
}
board = &moxa_boards[i];
board->basemem = pci_iomap(pdev, 2, 0x4000);
retval = pci_request_region(pdev, 2, "moxa-base");
if (retval) {
dev_err(&pdev->dev, "can't request pci region 2\n");
goto err;
}
board->basemem = ioremap(pci_resource_start(pdev, 2), 0x4000);
if (board->basemem == NULL) {
dev_err(&pdev->dev, "can't remap io space 2\n");
goto err;
goto err_reg;
}
board->boardType = board_type;
@ -315,6 +322,8 @@ static int __devinit moxa_pci_probe(struct pci_dev *pdev,
pci_set_drvdata(pdev, board);
return (0);
err_reg:
pci_release_region(pdev, 2);
err:
return retval;
}
@ -323,8 +332,9 @@ static void __devexit moxa_pci_remove(struct pci_dev *pdev)
{
struct moxa_board_conf *brd = pci_get_drvdata(pdev);
pci_iounmap(pdev, brd->basemem);
iounmap(brd->basemem);
brd->basemem = NULL;
pci_release_region(pdev, 2);
}
static struct pci_driver moxa_pci_driver = {