For boards using sm501/sm502 on PCI bus some driver functions normaly defined in the board code are not needed and empty. Provide weak default functions for them and do not enforce board code to define empty functions.
Signed-off-by: Anatolij Gustschin agust@denx.de --- drivers/video/sm501.c | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/drivers/video/sm501.c b/drivers/video/sm501.c index 544e0a0..40606db 100644 --- a/drivers/video/sm501.c +++ b/drivers/video/sm501.c @@ -95,6 +95,34 @@ static struct pci_device_id sm501_pci_tbl[] = { }; #endif
+/* + * We do not enforce board code to provide empty/unused + * functions for this driver and define weak default + * functions here. + */ +unsigned int __board_video_init (void) +{ + return 0; +} + +unsigned int board_video_init (void) + __attribute__((weak, alias("__board_video_init"))); + +unsigned int __board_video_get_fb (void) +{ + return 0; +} + +unsigned int board_video_get_fb (void) + __attribute__((weak, alias("__board_video_get_fb"))); + +void __board_validate_screen (unsigned int base) +{ +} + +void board_validate_screen (unsigned int base) + __attribute__((weak, alias("__board_validate_screen"))); + /*----------------------------------------------------------------------------- * video_hw_init -- *-----------------------------------------------------------------------------