diff options
| -rw-r--r-- | drivers/pcmcia/cs.c | 6 | ||||
| -rw-r--r-- | drivers/pcmcia/pcmcia_resource.c | 43 | ||||
| -rw-r--r-- | include/pcmcia/cs.h | 2 |
3 files changed, 33 insertions, 18 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index f9424801b9c8..1c6c8c8f57c9 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -534,7 +534,7 @@ static int socket_insert(struct pcmcia_socket *skt) static int socket_suspend(struct pcmcia_socket *skt) { if (skt->state & SOCKET_SUSPEND) - return CS_IN_USE; + return -EBUSY; send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW); skt->socket = dead_socket; @@ -556,7 +556,7 @@ static int socket_resume(struct pcmcia_socket *skt) int ret; if (!(skt->state & SOCKET_SUSPEND)) - return CS_IN_USE; + return -EBUSY; skt->socket = dead_socket; skt->ops->init(skt); @@ -765,7 +765,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) break; } if (skt->state & SOCKET_SUSPEND) { - ret = CS_IN_USE; + ret = -EBUSY; break; } if (skt->state & SOCKET_CARDBUS) { diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 0ac3ea92a1c5..670465d4aac2 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -609,23 +609,30 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return -EACCES; - if (c->state & CONFIG_IO_REQ) - return CS_IN_USE; + if (c->state & CONFIG_IO_REQ) { + ds_dbg(s, 0, "IO already configured\n"); + return -EBUSY; + } if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) return CS_BAD_ATTRIBUTE; if ((req->NumPorts2 > 0) && (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) return CS_BAD_ATTRIBUTE; + ds_dbg(s, 1, "trying to allocate resource 1\n"); if (alloc_io_space(s, req->Attributes1, &req->BasePort1, - req->NumPorts1, req->IOAddrLines)) - return CS_IN_USE; + req->NumPorts1, req->IOAddrLines)) { + ds_dbg(s, 0, "allocation of resource 1 failed\n"); + return -EBUSY; + } if (req->NumPorts2) { + ds_dbg(s, 1, "trying to allocate resource 2\n"); if (alloc_io_space(s, req->Attributes2, &req->BasePort2, req->NumPorts2, req->IOAddrLines)) { + ds_dbg(s, 0, "allocation of resource 2 failed\n"); release_io_space(s, req->BasePort1, req->NumPorts1); - return CS_IN_USE; + return -EBUSY; } } @@ -658,7 +665,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) { struct pcmcia_socket *s = p_dev->socket; config_t *c; - int ret = CS_IN_USE, irq = 0; + int ret = -EINVAL, irq = 0; int type; if (!(s->state & SOCKET_PRESENT)) @@ -666,8 +673,10 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return -EACCES; - if (c->state & CONFIG_IRQ_REQ) - return CS_IN_USE; + if (c->state & CONFIG_IRQ_REQ) { + ds_dbg(s, 0, "IRQ already configured\n"); + return -EBUSY; + } /* Decide what type of interrupt we are registering */ type = 0; @@ -730,8 +739,10 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) } if (ret && (req->Attributes & IRQ_HANDLE_PRESENT)) { - if (request_irq(irq, req->Handler, type, p_dev->devname, req->Instance)) - return CS_IN_USE; + ret = request_irq(irq, req->Handler, type, + p_dev->devname, req->Instance); + if (ret) + return ret; } /* Make sure the fact the request type was overridden is passed back */ @@ -792,8 +803,10 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h /* Allocate system memory window */ for (w = 0; w < MAX_WIN; w++) if (!(s->state & SOCKET_WIN_REQ(w))) break; - if (w == MAX_WIN) - return CS_IN_USE; + if (w == MAX_WIN) { + ds_dbg(s, 0, "all windows are used already\n"); + return -EINVAL; + } win = &s->win[w]; win->magic = WINDOW_MAGIC; @@ -804,8 +817,10 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h if (!(s->features & SS_CAP_STATIC_MAP)) { win->ctl.res = pcmcia_find_mem_region(req->Base, req->Size, align, (req->Attributes & WIN_MAP_BELOW_1MB), s); - if (!win->ctl.res) - return CS_IN_USE; + if (!win->ctl.res) { + ds_dbg(s, 0, "allocating mem region failed\n"); + return -EINVAL; + } } (*p_dev)->_win |= CLIENT_WIN_REQ(w); diff --git a/include/pcmcia/cs.h b/include/pcmcia/cs.h index a517a5845af0..2dc1411b27c9 100644 --- a/include/pcmcia/cs.h +++ b/include/pcmcia/cs.h @@ -314,7 +314,7 @@ typedef struct error_info_t { #define CS_BAD_ARG_LENGTH -ENODEV #define CS_BAD_ARGS 0x1c #define CS_CONFIGURATION_LOCKED -EACCES -#define CS_IN_USE 0x1e +#define CS_IN_USE -EBUSY #define CS_NO_MORE_ITEMS 0x1f #define CS_OUT_OF_RESOURCE -ENOMEM #define CS_BAD_HANDLE -EINVAL |