diff options
| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2010-05-16 19:45:54 -0300 |
|---|---|---|
| committer | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2010-05-16 19:45:54 -0300 |
| commit | ef07a5abadfcb2470fc9cbfbee0cb41076b4ba9b (patch) | |
| tree | deb4a294d7c750d4942e25618105c22b688493bd /drivers/platform/x86 | |
| parent | 2cbb5c8f5533facb606adc5986ce40da2e987d6d (diff) | |
thinkpad-acpi: clean up ACPI handles handling
1. Remove <handle>_path, as its only user was already removed in
a previous commit
2. Move all handle initialization, as well as <handle>_parent and
<handle>_paths to __init.* sections. This reduces the driver's
runtime footprint nicely.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Diffstat (limited to 'drivers/platform/x86')
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 29ad2734644..b3bfce95383 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -516,9 +516,9 @@ static acpi_handle ec_handle; #define TPACPI_HANDLE(object, parent, paths...) \ static acpi_handle object##_handle; \ - static acpi_handle *object##_parent = &parent##_handle; \ - static char *object##_path; \ - static char *object##_paths[] = { paths } + static const acpi_handle *object##_parent __initdata = \ + &parent##_handle; \ + static char *object##_paths[] __initdata = { paths } TPACPI_HANDLE(ecrd, ec, "ECRD"); /* 570 */ TPACPI_HANDLE(ecwr, ec, "ECWR"); /* 570 */ @@ -673,11 +673,11 @@ static int issue_thinkpad_cmos_command(int cmos_cmd) #define TPACPI_ACPIHANDLE_INIT(object) \ drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \ - object##_paths, ARRAY_SIZE(object##_paths), &object##_path) + object##_paths, ARRAY_SIZE(object##_paths)) -static void drv_acpi_handle_init(char *name, - acpi_handle *handle, acpi_handle parent, - char **paths, int num_paths, char **path) +static void __init drv_acpi_handle_init(const char *name, + acpi_handle *handle, const acpi_handle parent, + char **paths, const int num_paths) { int i; acpi_status status; @@ -688,10 +688,9 @@ static void drv_acpi_handle_init(char *name, for (i = 0; i < num_paths; i++) { status = acpi_get_handle(parent, paths[i], handle); if (ACPI_SUCCESS(status)) { - *path = paths[i]; dbg_printk(TPACPI_DBG_INIT, "Found ACPI handle %s for %s\n", - *path, name); + paths[i], name); return; } } |