diff options
Diffstat (limited to 'drivers/acpi/pci_slot.c')
-rw-r--r-- | drivers/acpi/pci_slot.c | 43 |
1 files changed, 13 insertions, 30 deletions
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c index 7188e53b6b7c..f62c68e24317 100644 --- a/drivers/acpi/pci_slot.c +++ b/drivers/acpi/pci_slot.c @@ -22,8 +22,9 @@ * General Public License for more details. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/types.h> @@ -33,30 +34,11 @@ #include <linux/dmi.h> #include <linux/pci-acpi.h> -static bool debug; static int check_sta_before_sun; -#define DRIVER_VERSION "0.1" -#define DRIVER_AUTHOR "Alex Chiang <achiang@hp.com>" -#define DRIVER_DESC "ACPI PCI Slot Detection Driver" -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); -MODULE_PARM_DESC(debug, "Debugging mode enabled or not"); -module_param(debug, bool, 0644); - #define _COMPONENT ACPI_PCI_COMPONENT ACPI_MODULE_NAME("pci_slot"); -#define MY_NAME "pci_slot" -#define err(format, arg...) pr_err("%s: " format , MY_NAME , ## arg) -#define info(format, arg...) pr_info("%s: " format , MY_NAME , ## arg) -#define dbg(format, arg...) \ - do { \ - if (debug) \ - pr_debug("%s: " format, MY_NAME , ## arg); \ - } while (0) - #define SLOT_NAME_SIZE 21 /* Inspired by #define in acpiphp.h */ struct acpi_pci_slot { @@ -76,7 +58,7 @@ check_slot(acpi_handle handle, unsigned long long *sun) struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); - dbg("Checking slot on path: %s\n", (char *)buffer.pointer); + pr_debug("Checking slot on path: %s\n", (char *)buffer.pointer); if (check_sta_before_sun) { /* If SxFy doesn't have _STA, we just assume it's there */ @@ -87,14 +69,16 @@ check_slot(acpi_handle handle, unsigned long long *sun) status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr); if (ACPI_FAILURE(status)) { - dbg("_ADR returned %d on %s\n", status, (char *)buffer.pointer); + pr_debug("_ADR returned %d on %s\n", + status, (char *)buffer.pointer); goto out; } /* No _SUN == not a slot == bail */ status = acpi_evaluate_integer(handle, "_SUN", NULL, sun); if (ACPI_FAILURE(status)) { - dbg("_SUN returned %d on %s\n", status, (char *)buffer.pointer); + pr_debug("_SUN returned %d on %s\n", + status, (char *)buffer.pointer); goto out; } @@ -132,15 +116,13 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) } slot = kmalloc(sizeof(*slot), GFP_KERNEL); - if (!slot) { - err("%s: cannot allocate memory\n", __func__); + if (!slot) return AE_OK; - } snprintf(name, sizeof(name), "%llu", sun); pci_slot = pci_create_slot(pci_bus, device, name, NULL); if (IS_ERR(pci_slot)) { - err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot)); + pr_err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot)); kfree(slot); return AE_OK; } @@ -150,8 +132,8 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) get_device(&pci_bus->dev); - dbg("pci_slot: %p, pci_bus: %x, device: %d, name: %s\n", - pci_slot, pci_bus->number, device, name); + pr_debug("%p, pci_bus: %x, device: %d, name: %s\n", + pci_slot, pci_bus->number, device, name); return AE_OK; } @@ -186,7 +168,8 @@ void acpi_pci_slot_remove(struct pci_bus *bus) static int do_sta_before_sun(const struct dmi_system_id *d) { - info("%s detected: will evaluate _STA before calling _SUN\n", d->ident); + pr_info("%s detected: will evaluate _STA before calling _SUN\n", + d->ident); check_sta_before_sun = 1; return 0; } |