On Mon, 2024-06-17 at 11:18 -0400, Trevor Gamblin wrote: > The current error handling for calls such as devm_clk_get_enabled() in > the adi-axi-dac probe() function means that, if a property such as > 'clocks' (for example) is not present in the devicetree when booting a > kernel with the driver enabled, the resulting error message will be > vague, e.g.: > > > adi_axi_dac 44a00000.dac: probe with driver adi_axi_dac failed with error -2 > > Change the devm_clk_get_enabled(), devm_regmap_init_mmio(), and > devm_iio_backend_register() checks to use dev_err_probe() with some > context for easier debugging. > > After the change: > > > adi_axi_dac 44a00000.dac: error -ENOENT: failed to get clock > > adi_axi_dac 44a00000.dac: probe with driver adi_axi_dac failed with error -2 > > Suggested-by: Nuno Sa <nuno.sa@xxxxxxxxxx> > Tested-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx> > Signed-off-by: Trevor Gamblin <tgamblin@xxxxxxxxxxxx> > --- > Added Angelo as Tested-by since he tested the patch on an internal > setup. > --- Reviewed-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
