From: Russell King Date: Thu, 10 May 2007 17:40:51 +0000 (+0100) Subject: [ARM] ecard: add ecardm_iomap() / ecardm_iounmap() X-Git-Tag: MMI-PSA29.97-13-9~43144^2~18 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=10bdaaa0fad620145cf10e2b573266b2d80b44de;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git [ARM] ecard: add ecardm_iomap() / ecardm_iounmap() Add devres ecardm_iomap() and ecardm_iounmap() for Acorn expansion cards. Convert all expansion card drivers to use them. Signed-off-by: Russell King --- diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index 65f1398723a4..f56d48c451ea 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -41,11 +41,11 @@ #include #include #include +#include #include #include #include -#include #include #include #include @@ -966,6 +966,23 @@ void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *op } EXPORT_SYMBOL(ecard_setirq); +void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, + unsigned long offset, unsigned long maxsize) +{ + unsigned long start = ecard_resource_start(ec, res); + unsigned long end = ecard_resource_end(ec, res); + + if (offset > (end - start)) + return NULL; + + start += offset; + if (maxsize && end - start > maxsize) + end = start + maxsize; + + return devm_ioremap(&ec->dev, start, end - start); +} +EXPORT_SYMBOL(ecardm_iomap); + /* * Probe for an expansion card. * diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index d7621a39ed09..d323e75b05d5 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -425,8 +425,7 @@ pata_icside_register_v5(struct ata_probe_ent *ae, struct expansion_card *ec) struct pata_icside_state *state = ae->private_data; void __iomem *base; - base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), - ecard_resource_len(ec, ECARD_RES_MEMC)); + base = ecardm_iomap(info->ec, ECARD_RES_MEMC, 0, 0); if (!base) return -ENOMEM; @@ -453,24 +452,17 @@ pata_icside_register_v6(struct ata_probe_ent *ae, struct expansion_card *ec) struct pata_icside_state *state = ae->private_data; void __iomem *ioc_base, *easi_base; unsigned int sel = 0; - int ret; - ioc_base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), - ecard_resource_len(ec, ECARD_RES_IOCFAST)); - if (!ioc_base) { - ret = -ENOMEM; - goto out; - } + ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); + if (!ioc_base) + return -ENOMEM; easi_base = ioc_base; if (ecard_resource_flags(ec, ECARD_RES_EASI)) { - easi_base = ioremap(ecard_resource_start(ec, ECARD_RES_EASI), - ecard_resource_len(ec, ECARD_RES_EASI)); - if (!easi_base) { - ret = -ENOMEM; - goto unmap_slot; - } + easi_base = ecardm_iomap(ec, ECARD_RES_EASI, 0, 0); + if (!easi_base) + return -ENOMEM; /* * Enable access to the EASI region. @@ -507,10 +499,6 @@ pata_icside_register_v6(struct ata_probe_ent *ae, struct expansion_card *ec) return icside_dma_init(ae, ec); - unmap_slot: - iounmap(ioc_base); - out: - return ret; } static int __devinit @@ -534,8 +522,7 @@ pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id) state->type = ICS_TYPE_NOTYPE; state->dma = NO_DMA; - idmem = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), - ecard_resource_len(ec, ECARD_RES_IOCFAST)); + idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (idmem) { unsigned int type; @@ -543,7 +530,7 @@ pata_icside_probe(struct expansion_card *ec, const struct ecard_id *id) type |= (readb(idmem + ICS_IDENT_OFFSET + 4) & 1) << 1; type |= (readb(idmem + ICS_IDENT_OFFSET + 8) & 1) << 2; type |= (readb(idmem + ICS_IDENT_OFFSET + 12) & 1) << 3; - iounmap(idmem); + ecardm_iounmap(ec, idmem); state->type = type; } @@ -638,10 +625,6 @@ static void __devexit pata_icside_remove(struct expansion_card *ec) */ if (state->dma != NO_DMA) free_dma(state->dma); - if (state->ioc_base) - iounmap(state->ioc_base); - if (state->ioc_base != state->irq_port) - iounmap(state->irq_port); kfree(state); ecard_release_resources(ec); diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 69c949ea93e3..66f826252aee 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -565,8 +565,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) ide_hwif_t *hwif; void __iomem *base; - base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), - ecard_resource_len(ec, ECARD_RES_MEMC)); + base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!base) return -ENOMEM; @@ -583,10 +582,8 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) icside_irqdisable_arcin_v5(ec, 0); hwif = icside_setup(base, &icside_cardinfo_v5, ec); - if (!hwif) { - iounmap(base); + if (!hwif) return -ENODEV; - } state->hwif[0] = hwif; @@ -605,8 +602,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) unsigned int sel = 0; int ret; - ioc_base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), - ecard_resource_len(ec, ECARD_RES_IOCFAST)); + ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (!ioc_base) { ret = -ENOMEM; goto out; @@ -615,11 +611,10 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) easi_base = ioc_base; if (ecard_resource_flags(ec, ECARD_RES_EASI)) { - easi_base = ioremap(ecard_resource_start(ec, ECARD_RES_EASI), - ecard_resource_len(ec, ECARD_RES_EASI)); + easi_base = ecardm_iomap(ec, ECARD_RES_EASI, 0, 0); if (!easi_base) { ret = -ENOMEM; - goto unmap_slot; + goto out; } /* @@ -648,7 +643,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) if (!hwif || !mate) { ret = -ENODEV; - goto unmap_port; + goto out; } state->hwif[0] = hwif; @@ -685,11 +680,6 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) return 0; - unmap_port: - if (easi_base != ioc_base) - iounmap(easi_base); - unmap_slot: - iounmap(ioc_base); out: return ret; } @@ -715,8 +705,7 @@ icside_probe(struct expansion_card *ec, const struct ecard_id *id) state->type = ICS_TYPE_NOTYPE; state->dev = &ec->dev; - idmem = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), - ecard_resource_len(ec, ECARD_RES_IOCFAST)); + idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (idmem) { unsigned int type; @@ -724,7 +713,7 @@ icside_probe(struct expansion_card *ec, const struct ecard_id *id) type |= (readb(idmem + ICS_IDENT_OFFSET + 4) & 1) << 1; type |= (readb(idmem + ICS_IDENT_OFFSET + 8) & 1) << 2; type |= (readb(idmem + ICS_IDENT_OFFSET + 12) & 1) << 3; - iounmap(idmem); + ecardm_iounmap(ec, idmem); state->type = type; } @@ -793,11 +782,6 @@ static void __devexit icside_remove(struct expansion_card *ec) ecard_set_drvdata(ec, NULL); - if (state->ioc_base) - iounmap(state->ioc_base); - if (state->ioc_base != state->irq_port) - iounmap(state->irq_port); - kfree(state); ecard_release_resources(ec); } diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c index 890ea3fac3c6..83811af11610 100644 --- a/drivers/ide/arm/rapide.c +++ b/drivers/ide/arm/rapide.c @@ -63,8 +63,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) if (ret) goto out; - base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), - ecard_resource_len(ec, ECARD_RES_MEMC)); + base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!base) { ret = -ENOMEM; goto release; @@ -81,7 +80,6 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) goto out; } - iounmap(base); release: ecard_release_resources(ec); out: @@ -96,7 +94,6 @@ static void __devexit rapide_remove(struct expansion_card *ec) /* there must be a better way */ ide_unregister(hwif - ide_hwifs); - iounmap(hwif->hwif_data); ecard_release_resources(ec); } diff --git a/drivers/net/arm/ether1.c b/drivers/net/arm/ether1.c index f075cebe84ad..f21148e7b579 100644 --- a/drivers/net/arm/ether1.c +++ b/drivers/net/arm/ether1.c @@ -1014,8 +1014,7 @@ ether1_probe(struct expansion_card *ec, const struct ecard_id *id) SET_NETDEV_DEV(dev, &ec->dev); dev->irq = ec->irq; - priv(dev)->base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), - ecard_resource_len(ec, ECARD_RES_IOCFAST)); + priv(dev)->base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (!priv(dev)->base) { ret = -ENOMEM; goto free; @@ -1056,8 +1055,6 @@ ether1_probe(struct expansion_card *ec, const struct ecard_id *id) return 0; free: - if (priv(dev)->base) - iounmap(priv(dev)->base); free_netdev(dev); release: ecard_release_resources(ec); @@ -1072,7 +1069,6 @@ static void __devexit ether1_remove(struct expansion_card *ec) ecard_set_drvdata(ec, NULL); unregister_netdev(dev); - iounmap(priv(dev)->base); free_netdev(dev); ecard_release_resources(ec); } diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c index 32da2eb9bcee..da713500654d 100644 --- a/drivers/net/arm/ether3.c +++ b/drivers/net/arm/ether3.c @@ -793,8 +793,7 @@ ether3_probe(struct expansion_card *ec, const struct ecard_id *id) SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &ec->dev); - priv(dev)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), - ecard_resource_len(ec, ECARD_RES_MEMC)); + priv(dev)->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!priv(dev)->base) { ret = -ENOMEM; goto free; @@ -869,8 +868,6 @@ ether3_probe(struct expansion_card *ec, const struct ecard_id *id) return 0; free: - if (priv(dev)->base) - iounmap(priv(dev)->base); free_netdev(dev); release: ecard_release_resources(ec); @@ -885,7 +882,6 @@ static void __devexit ether3_remove(struct expansion_card *ec) ecard_set_drvdata(ec, NULL); unregister_netdev(dev); - iounmap(priv(dev)->base); free_netdev(dev); ecard_release_resources(ec); } diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 387f1e3a4e84..769ba69451f4 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -686,7 +686,7 @@ etherh_probe(struct expansion_card *ec, const struct ecard_id *id) eh->supported = data->supported; eh->ctrl = 0; eh->id = ec->cid.product; - eh->memc = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE); + eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE); if (!eh->memc) { ret = -ENOMEM; goto free; @@ -694,7 +694,7 @@ etherh_probe(struct expansion_card *ec, const struct ecard_id *id) eh->ctrl_port = eh->memc; if (data->ctrl_ioc) { - eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE); + eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE); if (!eh->ioc_fast) { ret = -ENOMEM; goto free; @@ -758,10 +758,6 @@ etherh_probe(struct expansion_card *ec, const struct ecard_id *id) return 0; free: - if (eh->ioc_fast) - iounmap(eh->ioc_fast); - if (eh->memc) - iounmap(eh->memc); free_netdev(dev); release: ecard_release_resources(ec); @@ -772,16 +768,11 @@ etherh_probe(struct expansion_card *ec, const struct ecard_id *id) static void __devexit etherh_remove(struct expansion_card *ec) { struct net_device *dev = ecard_get_drvdata(ec); - struct etherh_priv *eh = etherh_priv(dev); ecard_set_drvdata(ec, NULL); unregister_netdev(dev); - if (eh->ioc_fast) - iounmap(eh->ioc_fast); - iounmap(eh->memc); - free_netdev(dev); ecard_release_resources(ec); diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c index 7e132c5bacf8..2836fe248df9 100644 --- a/drivers/scsi/arm/arxescsi.c +++ b/drivers/scsi/arm/arxescsi.c @@ -281,7 +281,6 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id) { struct Scsi_Host *host; struct arxescsi_info *info; - unsigned long resbase, reslen; void __iomem *base; int ret; @@ -289,9 +288,7 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id) if (ret) goto out; - resbase = ecard_resource_start(ec, ECARD_RES_MEMC); - reslen = ecard_resource_len(ec, ECARD_RES_MEMC); - base = ioremap(resbase, reslen); + base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!base) { ret = -ENOMEM; goto out_region; @@ -300,7 +297,7 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id) host = scsi_host_alloc(&arxescsi_template, sizeof(struct arxescsi_info)); if (!host) { ret = -ENOMEM; - goto out_unmap; + goto out_region; } info = (struct arxescsi_info *)host->hostdata; @@ -337,8 +334,6 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id) fas216_release(host); out_unregister: scsi_host_put(host); - out_unmap: - iounmap(base); out_region: ecard_release_resources(ec); out: @@ -348,13 +343,10 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id) static void __devexit arxescsi_remove(struct expansion_card *ec) { struct Scsi_Host *host = ecard_get_drvdata(ec); - struct arxescsi_info *info = (struct arxescsi_info *)host->hostdata; ecard_set_drvdata(ec, NULL); fas216_remove(host); - iounmap(info->base); - fas216_release(host); scsi_host_put(host); ecard_release_resources(ec); diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c index f51aa3446bc7..68a64123af8f 100644 --- a/drivers/scsi/arm/cumana_2.c +++ b/drivers/scsi/arm/cumana_2.c @@ -401,7 +401,6 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id) { struct Scsi_Host *host; struct cumanascsi2_info *info; - unsigned long resbase, reslen; void __iomem *base; int ret; @@ -409,9 +408,7 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id) if (ret) goto out; - resbase = ecard_resource_start(ec, ECARD_RES_MEMC); - reslen = ecard_resource_len(ec, ECARD_RES_MEMC); - base = ioremap(resbase, reslen); + base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); if (!base) { ret = -ENOMEM; goto out_region; @@ -421,7 +418,7 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id) sizeof(struct cumanascsi2_info)); if (!host) { ret = -ENOMEM; - goto out_unmap; + goto out_region; } ecard_set_drvdata(ec, host); @@ -490,9 +487,6 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id) out_free: scsi_host_put(host); - out_unmap: - iounmap(base); - out_region: ecard_release_resources(ec); @@ -512,8 +506,6 @@ static void __devexit cumanascsi2_remove(struct expansion_card *ec) free_dma(info->info.scsi.dma); free_irq(ec->irq, info); - iounmap(info->base); - fas216_release(host); scsi_host_put(host); ecard_release_resources(ec); diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c index cc5d513aa99a..bb2477b3fb0b 100644 --- a/drivers/scsi/arm/eesox.c +++ b/drivers/scsi/arm/eesox.c @@ -519,7 +519,6 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id) { struct Scsi_Host *host; struct eesoxscsi_info *info; - unsigned long resbase, reslen; void __iomem *base; int ret; @@ -527,9 +526,7 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id) if (ret) goto out; - resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST); - reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST); - base = ioremap(resbase, reslen); + base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (!base) { ret = -ENOMEM; goto out_region; @@ -539,7 +536,7 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id) sizeof(struct eesoxscsi_info)); if (!host) { ret = -ENOMEM; - goto out_unmap; + goto out_region; } ecard_set_drvdata(ec, host); @@ -612,9 +609,6 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id) device_remove_file(&ec->dev, &dev_attr_bus_term); scsi_host_put(host); - out_unmap: - iounmap(base); - out_region: ecard_release_resources(ec); @@ -636,8 +630,6 @@ static void __devexit eesoxscsi_remove(struct expansion_card *ec) device_remove_file(&ec->dev, &dev_attr_bus_term); - iounmap(info->base); - fas216_release(host); scsi_host_put(host); ecard_release_resources(ec); diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c index 3cbd525b58c5..d9a546d1917c 100644 --- a/drivers/scsi/arm/powertec.c +++ b/drivers/scsi/arm/powertec.c @@ -313,7 +313,6 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id) { struct Scsi_Host *host; struct powertec_info *info; - unsigned long resbase, reslen; void __iomem *base; int ret; @@ -321,9 +320,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id) if (ret) goto out; - resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST); - reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST); - base = ioremap(resbase, reslen); + base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); if (!base) { ret = -ENOMEM; goto out_region; @@ -333,7 +330,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id) sizeof (struct powertec_info)); if (!host) { ret = -ENOMEM; - goto out_unmap; + goto out_region; } ecard_set_drvdata(ec, host); @@ -404,9 +401,6 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id) device_remove_file(&ec->dev, &dev_attr_bus_term); scsi_host_put(host); - out_unmap: - iounmap(base); - out_region: ecard_release_resources(ec); @@ -428,8 +422,6 @@ static void __devexit powertecscsi_remove(struct expansion_card *ec) free_dma(info->info.scsi.dma); free_irq(ec->irq, info); - iounmap(info->base); - fas216_release(host); scsi_host_put(host); ecard_release_resources(ec); diff --git a/drivers/serial/8250_acorn.c b/drivers/serial/8250_acorn.c index 562ba745a044..b0ce8c56f1a4 100644 --- a/drivers/serial/8250_acorn.c +++ b/drivers/serial/8250_acorn.c @@ -54,7 +54,7 @@ serial_card_probe(struct expansion_card *ec, const struct ecard_id *id) info->num_ports = type->num_ports; bus_addr = ecard_resource_start(ec, type->type); - info->vaddr = ioremap(bus_addr, ecard_resource_len(ec, type->type)); + info->vaddr = ecardm_iomap(ec, type->type, 0, 0); if (!info->vaddr) { kfree(info); return -ENOMEM; @@ -91,7 +91,6 @@ static void __devexit serial_card_remove(struct expansion_card *ec) if (info->ports[i] > 0) serial8250_unregister_port(info->ports[i]); - iounmap(info->vaddr); kfree(info); } diff --git a/include/asm-arm/ecard.h b/include/asm-arm/ecard.h index 8f1000eac91f..684fe0645239 100644 --- a/include/asm-arm/ecard.h +++ b/include/asm-arm/ecard.h @@ -226,6 +226,10 @@ ecard_address(struct expansion_card *ec, card_type_t type, card_speed_t speed) extern int ecard_request_resources(struct expansion_card *ec); extern void ecard_release_resources(struct expansion_card *ec); +void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, + unsigned long offset, unsigned long maxsize); +#define ecardm_iounmap(__ec, __addr) devm_iounmap(&(__ec)->dev, __addr) + extern struct bus_type ecard_bus_type; #define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev)