From: Harvey Harrison set_bit expects unsigned int, and we start with a u32 anyway. drivers/acpi/toshiba_acpi.c:397:14: warning: incorrect type in argument 1 (different signedness) drivers/acpi/toshiba_acpi.c:397:14: expected unsigned int [usertype] *word drivers/acpi/toshiba_acpi.c:397:14: got int * drivers/acpi/toshiba_acpi.c:399:14: warning: incorrect type in argument 1 (different signedness) drivers/acpi/toshiba_acpi.c:399:14: expected unsigned int [usertype] *word drivers/acpi/toshiba_acpi.c:399:14: got int * drivers/acpi/toshiba_acpi.c:401:14: warning: incorrect type in argument 1 (different signedness) drivers/acpi/toshiba_acpi.c:401:14: expected unsigned int [usertype] *word drivers/acpi/toshiba_acpi.c:401:14: got int * Signed-off-by: Harvey Harrison Cc: Henrique de Moraes Holschuh Cc: Matthew Garrett Cc: Andi Kleen Signed-off-by: Andrew Morton --- drivers/acpi/toshiba_acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN drivers/acpi/toshiba_acpi.c~acpi-toshiba_acpic-fix-sparse-signedness-mismatch-warnings drivers/acpi/toshiba_acpi.c --- a/drivers/acpi/toshiba_acpi.c~acpi-toshiba_acpic-fix-sparse-signedness-mismatch-warnings +++ a/drivers/acpi/toshiba_acpi.c @@ -548,7 +548,7 @@ static unsigned long write_video(const c hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result); if (hci_result == HCI_SUCCESS) { - int new_video_out = video_out; + unsigned int new_video_out = video_out; if (lcd_out != -1) _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out); if (crt_out != -1) _