On Fri, 14. Feb 22:44, Manivannan Sadhasivam wrote: > On Thu, Feb 13, 2025 at 02:24:16PM +0300, Vitalii Mordan wrote: > > If owl_port->clk was enabled in owl_uart_probe(), it must be disabled in > > all error paths to ensure proper cleanup. However, if uart_add_one_port() > > returns an error in owl_uart_probe(), the owl_port->clk clock will not be > > disabled. > > > > Use the devm_clk_get_enabled() helper function to ensure proper call > > balance for owl_port->clk. > > > > Do not use newly introduced APIs to fix old bugs. The bug should be fixed > separately to allow backporting and the conversion should be done on top. These relatively new helpers are already available in all currently supported stable kernels including 5.4.y. Commit 7ef9651e9792 ("clk: Provide new devm_clk helpers for prepared and enabled clocks") was conveniently backported there as a dependency for the similar bug fixes.