diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/sx.c | 55 | ||||
| -rw-r--r-- | drivers/char/sx.h | 1 |
2 files changed, 50 insertions, 6 deletions
diff --git a/drivers/char/sx.c b/drivers/char/sx.c index 1057cc4466ca..a3008ce13015 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -2497,10 +2497,13 @@ static void __devexit sx_remove_card(struct sx_board *board, /* It is safe/allowed to del_timer a non-active timer */ del_timer(&board->timer); - if (pdev) + if (pdev) { pci_iounmap(pdev, board->base); - else + pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2); + } else { iounmap(board->base); + release_region(board->hw_base, board->hw_len); + } board->flags &= ~(SX_BOARD_INITIALIZED | SX_BOARD_PRESENT); } @@ -2538,8 +2541,17 @@ static int __devinit sx_eisa_probe(struct device *dev) board->hw_base = ((inb(eisa_slot + 0xc01) << 8) + inb(eisa_slot + 0xc00)) << 16; + board->hw_len = SI2_EISA_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) { + dev_err(dev, "can't request region\n"); + goto err_flag; + } board->base2 = board->base = ioremap(board->hw_base, SI2_EISA_WINDOW_LEN); + if (!board->base) { + dev_err(dev, "can't remap memory\n"); + goto err_reg; + } sx_dprintk(SX_DEBUG_PROBE, "IO hw_base address: %lx\n", board->hw_base); sx_dprintk(SX_DEBUG_PROBE, "base: %p\n", board->base); @@ -2554,6 +2566,9 @@ static int __devinit sx_eisa_probe(struct device *dev) return 0; err_unmap: iounmap(board->base); +err_reg: + release_region(board->hw_base, board->hw_len); +err_flag: board->flags &= ~SX_BOARD_PRESENT; err: return retval; @@ -2645,12 +2660,17 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev, /* CF boards use base address 3.... */ reg = IS_CF_BOARD(board) ? 3 : 2; + retval = pci_request_region(pdev, reg, "sx"); + if (retval) { + dev_err(&pdev->dev, "can't request region\n"); + goto err_flag; + } board->hw_base = pci_resource_start(pdev, reg); board->base2 = board->base = pci_iomap(pdev, reg, WINDOW_LEN(board)); if (!board->base) { dev_err(&pdev->dev, "ioremap failed\n"); - goto err_flag; + goto err_reg; } /* Most of the stuff on the CF board is offset by 0x18000 .... */ @@ -2674,6 +2694,8 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev, return 0; err_unmap: pci_iounmap(pdev, board->base); +err_reg: + pci_release_region(pdev, reg); err_flag: board->flags &= ~SX_BOARD_PRESENT; err: @@ -2736,8 +2758,13 @@ static int __init sx_init(void) for (i = 0; i < NR_SX_ADDRS; i++) { board = &boards[found]; board->hw_base = sx_probe_addrs[i]; + board->hw_len = SX_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) + continue; board->base2 = - board->base = ioremap(board->hw_base, SX_WINDOW_LEN); + board->base = ioremap(board->hw_base, board->hw_len); + if (!board->base) + goto err_sx_reg; board->flags &= ~SX_BOARD_TYPE; board->flags |= SX_ISA_BOARD; board->irq = sx_irqmask ? -1 : 0; @@ -2747,14 +2774,21 @@ static int __init sx_init(void) found++; } else { iounmap(board->base); +err_sx_reg: + release_region(board->hw_base, board->hw_len); } } for (i = 0; i < NR_SI_ADDRS; i++) { board = &boards[found]; board->hw_base = si_probe_addrs[i]; + board->hw_len = SI2_ISA_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) + continue; board->base2 = - board->base = ioremap(board->hw_base, SI2_ISA_WINDOW_LEN); + board->base = ioremap(board->hw_base, board->hw_len); + if (!board->base) + goto err_si_reg; board->flags &= ~SX_BOARD_TYPE; board->flags |= SI_ISA_BOARD; board->irq = sx_irqmask ? -1 : 0; @@ -2764,13 +2798,20 @@ static int __init sx_init(void) found++; } else { iounmap(board->base); +err_si_reg: + release_region(board->hw_base, board->hw_len); } } for (i = 0; i < NR_SI1_ADDRS; i++) { board = &boards[found]; board->hw_base = si1_probe_addrs[i]; + board->hw_len = SI1_ISA_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) + continue; board->base2 = - board->base = ioremap(board->hw_base, SI1_ISA_WINDOW_LEN); + board->base = ioremap(board->hw_base, board->hw_len); + if (!board->base) + goto err_si1_reg; board->flags &= ~SX_BOARD_TYPE; board->flags |= SI1_ISA_BOARD; board->irq = sx_irqmask ? -1 : 0; @@ -2780,6 +2821,8 @@ static int __init sx_init(void) found++; } else { iounmap(board->base); +err_si1_reg: + release_region(board->hw_base, board->hw_len); } } #endif diff --git a/drivers/char/sx.h b/drivers/char/sx.h index e01f83cbe299..432aad0a2ddd 100644 --- a/drivers/char/sx.h +++ b/drivers/char/sx.h @@ -35,6 +35,7 @@ struct sx_board { void __iomem *base; void __iomem *base2; unsigned long hw_base; + resource_size_t hw_len; int eisa_base; int port_base; /* Number of the first port */ struct sx_port *ports; |