Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762054AbYCZRLI (ORCPT ); Wed, 26 Mar 2008 13:11:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759565AbYCZRIi (ORCPT ); Wed, 26 Mar 2008 13:08:38 -0400 Received: from g1t0026.austin.hp.com ([15.216.28.33]:8826 "EHLO g1t0026.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758790AbYCZRIe (ORCPT ); Wed, 26 Mar 2008 13:08:34 -0400 Message-Id: <20080326171224.533491378@ldl.fc.hp.com> References: <20080326171058.099442579@ldl.fc.hp.com> User-Agent: quilt/0.46-1 Date: Wed, 26 Mar 2008 11:11:04 -0600 From: Bjorn Helgaas To: Len Brown Cc: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Adam Belay Cc: Li Shaohua Cc: Matthieu Castet Cc: Thomas Renninger Cc: Rene Herman Cc: Jaroslav Kysela Cc: Andrew Morton Subject: [patch 06/37] PNP: add pnp_alloc_dev() Content-Disposition: inline; filename=pnp-alloc-dev Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5954 Lines: 204 Add pnp_alloc_dev() to allocate a struct pnp_dev and fill in the protocol, instance number, and initial PNP ID. Now it is always valid to use dev_printk() on any pnp_dev pointer. Signed-off-by: Bjorn Helgaas --- drivers/pnp/base.h | 1 + drivers/pnp/core.c | 28 +++++++++++++++++++++++++--- drivers/pnp/isapnp/core.c | 9 ++++----- drivers/pnp/pnpacpi/core.c | 19 +++---------------- drivers/pnp/pnpbios/core.c | 16 ++++------------ 5 files changed, 37 insertions(+), 36 deletions(-) Index: work7/drivers/pnp/base.h =================================================================== --- work7.orig/drivers/pnp/base.h 2008-03-26 10:50:28.000000000 -0600 +++ work7/drivers/pnp/base.h 2008-03-26 10:50:36.000000000 -0600 @@ -1,5 +1,6 @@ extern spinlock_t pnp_lock; void *pnp_alloc(long size); +struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id, char *pnpid); struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id); int pnp_interface_attach_device(struct pnp_dev *dev); void pnp_fixup_device(struct pnp_dev *dev); Index: work7/drivers/pnp/core.c =================================================================== --- work7.orig/drivers/pnp/core.c 2008-03-26 10:50:24.000000000 -0600 +++ work7/drivers/pnp/core.c 2008-03-26 10:51:40.000000000 -0600 @@ -109,6 +109,31 @@ kfree(dev); } +struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid) +{ + struct pnp_dev *dev; + struct pnp_id *dev_id; + + dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); + if (!dev) + return NULL; + + dev->protocol = protocol; + dev->number = id; + + dev->dev.parent = &dev->protocol->dev; + sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number, + dev->number); + + dev_id = pnp_add_id(dev, pnpid); + if (!dev_id) { + kfree(dev); + return NULL; + } + + return dev; +} + int __pnp_add_device(struct pnp_dev *dev) { int ret; @@ -145,9 +170,6 @@ if (dev->card) return -EINVAL; - dev->dev.parent = &dev->protocol->dev; - sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number, - dev->number); ret = __pnp_add_device(dev); if (ret) return ret; Index: work7/drivers/pnp/isapnp/core.c =================================================================== --- work7.orig/drivers/pnp/isapnp/core.c 2008-03-26 10:50:30.000000000 -0600 +++ work7/drivers/pnp/isapnp/core.c 2008-03-26 10:50:36.000000000 -0600 @@ -424,17 +424,16 @@ struct pnp_dev *dev; isapnp_peek(tmp, size); - dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); + isapnp_to_pnpid((tmp[1] << 8) | tmp[0], (tmp[3] << 8) | tmp[2], id); + + dev = pnp_alloc_dev(&isapnp_protocol, number, id); if (!dev) return NULL; - dev->number = number; - isapnp_to_pnpid((tmp[1] << 8) | tmp[0], (tmp[3] << 8) | tmp[2], id); - pnp_add_id(dev, id); + dev->regs = tmp[4]; dev->card = card; if (size > 5) dev->regs |= tmp[5] << 8; - dev->protocol = &isapnp_protocol; dev->capabilities |= PNP_CONFIGURABLE; dev->capabilities |= PNP_READ; dev->capabilities |= PNP_WRITE; Index: work7/drivers/pnp/pnpacpi/core.c =================================================================== --- work7.orig/drivers/pnp/pnpacpi/core.c 2008-03-26 10:50:28.000000000 -0600 +++ work7/drivers/pnp/pnpacpi/core.c 2008-03-26 10:50:36.000000000 -0600 @@ -152,7 +152,6 @@ { acpi_handle temp = NULL; acpi_status status; - struct pnp_id *dev_id; struct pnp_dev *dev; status = acpi_get_handle(device->handle, "_CRS", &temp); @@ -160,11 +159,10 @@ is_exclusive_device(device)) return 0; - dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); - if (!dev) { - pnp_err("Out of memory"); + dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device)); + if (!dev) return -ENOMEM; - } + dev->data = device->handle; /* .enabled means the device can decode the resources */ dev->active = device->status.enabled; @@ -180,19 +178,11 @@ if (ACPI_SUCCESS(status)) dev->capabilities |= PNP_DISABLE; - dev->protocol = &pnpacpi_protocol; - if (strlen(acpi_device_name(device))) strncpy(dev->name, acpi_device_name(device), sizeof(dev->name)); else strncpy(dev->name, acpi_device_bid(device), sizeof(dev->name)); - dev->number = num; - - dev_id = pnp_add_id(dev, acpi_device_hid(device)); - if (!dev_id) - goto err; - if (dev->active) { /* parse allocated resource */ status = pnpacpi_parse_allocated_resource(device->handle, @@ -230,9 +220,6 @@ num++; return AE_OK; -err: - kfree(dev); - return -EINVAL; } static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle, Index: work7/drivers/pnp/pnpbios/core.c =================================================================== --- work7.orig/drivers/pnp/pnpbios/core.c 2008-03-26 10:50:28.000000000 -0600 +++ work7/drivers/pnp/pnpbios/core.c 2008-03-26 10:50:36.000000000 -0600 @@ -318,7 +318,6 @@ { struct list_head *pos; struct pnp_dev *dev; - struct pnp_id *dev_id; char id[8]; /* check if the device is already added */ @@ -328,18 +327,12 @@ return -1; } - dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); - if (!dev) - return -1; - pnpid32_to_pnpid(node->eisa_id, id); - dev_id = pnp_add_id(dev, id); - if (!dev_id) { - kfree(dev); - return -1; - } - dev->number = node->handle; + dev = pnp_alloc_dev(&pnpbios_protocol, node->handle, id); + if (!dev) + return -ENOMEM; + pnpbios_parse_data_stream(dev, node); dev->active = pnp_is_active(dev); dev->flags = node->flags; @@ -352,7 +345,6 @@ dev->capabilities |= PNP_WRITE; if (dev->flags & PNPBIOS_REMOVABLE) dev->capabilities |= PNP_REMOVABLE; - dev->protocol = &pnpbios_protocol; /* clear out the damaged flags */ if (!dev->active) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/