Linux Framebuffer drivers for small TFT LCD display modules. Development has moved to https://git.kernel.org/cgit/linux/kernel/git/gregkh/staging.git/tree/drivers/staging/fbtft?h=staging-testing
my English is poor。
i want to add a driver called st7789v，but there is a common issue 。because when I insmod any other driver ，for example ，sudo modprobe fbtft_device name = ra88355。
i will get this error：
[92164.087222] fbtft: Unknown symbol fb_sys_write (err 0)
[92164.093095] fbtft: Unknown symbol sys_imageblit (err 0)
[92164.098845] fbtft: Unknown symbol sys_fillrect (err 0)
[92164.104753] fbtft: Unknown symbol sys_copyarea (err 0)
[92164.110506] fbtft: Unknown symbol fb_sys_read (err 0)
modprobe: ERROR: could not insert 'fbtft_device': Unknown symbol in module, or unknown parameter (see dmesg)
my English is poor。
i want to add a driver called st7789v，but there is a common issue 。because when I insmod any other driver ，for example ，sudo modprobe fbtft_device name = ra88355。 i will get this error： [92164.087222] fbtft: Unknown symbol fb_sys_write (err 0) [92164.093095] fbtft: Unknown symbol sys_imageblit (err 0) [92164.098845] fbtft: Unknown symbol sys_fillrect (err 0) [92164.104753] fbtft: Unknown symbol sys_copyarea (err 0) [92164.110506] fbtft: Unknown symbol fb_sys_read (err 0) modprobe: ERROR: could not insert 'fbtft_device': Unknown symbol in module, or unknown parameter (see dmesg)