# Re: \[PATCH\] omapfb: Fix linker error in

- From: Tomi Valkeinen \<hidden\>
- Date: 2011-03-02 07:58:49 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2011/03/13461206
- Thread: https://ratatoskr.run/linux-fbdev/2011/03/13461208/t.md

```text
On Tue, 2011-03-01 at 02:40 -0600, Jarkko Nikula wrote:
> There is a linker error from lcd_2430sdp.c if CONFIG_TWL4030_CORE is not
> set. This can be triggered on OMAP2 builds when OMAP3 or OMAP4 are not set.
> 
> drivers/built-in.o: In function `sdp2430_panel_disable':
> drivers/video/omap/lcd_2430sdp.c:123: undefined reference to `twl_i2c_write_u8'
> drivers/video/omap/lcd_2430sdp.c:124: undefined reference to `twl_i2c_write_u8'
> drivers/built-in.o: In function `sdp2430_panel_enable':
> drivers/video/omap/lcd_2430sdp.c:110: undefined reference to `twl_i2c_write_u8'
> drivers/video/omap/lcd_2430sdp.c:112: undefined reference to `twl_i2c_write_u8'
> 
> Fix this by selecting the TWL4030_CORE for MACH_OMAP_2430SDP when building
> with CONFIG_FB_OMAP as there is no own Kconfig entry for lcd_2430 and it is
> compiled always when both MACH_OMAP_2430SDP and FB_OMAP are set.

Thanks, applied.

 Tomi


```