On Thu, Nov 09, 2023 at 06:06:40PM +0530, Manikanta Guntupalli wrote: > Device number 204 has a range of minors on major number. > uart_register_driver is failing due to lack of minor numbers > when more number of uart ports used. So you need more than the 4 allocated to you? > So, use dynamic allocation > for major number to avoid minor number limitation on 204 major > number. > > https://docs.kernel.org/arch/arm/sa1100/serial_uart.html What does this break by doing this? Also, you forgot to update the documentation :( And how was this tested? What about older systems with static device nodes, are you sure none are out there for this old hardware anymore? thanks, greg k-h
