Hi Biju, On Mon, May 22, 2023 at 12:19 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote: > As per the HW manual, set the XTOSCB bit as follows: > > If using an external clock signal, set the XTOSCB bit as 1 to > disable the crystal oscillator. > > If using an external crystal, the XTOSCB bit needs to be set at 0 > to enable the crystal oscillator. > > Add isl1208_set_xtoscb() to set XTOSCB bit based on the clock-names > property. Fallback is enabling the internal crystal oscillator. > > While at it, introduce a variable "sr" for reading the status register > in probe() as it is reused for writing. > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > --- > v4->v5: > * Fixed the typo in commit description. > * Replaced the variable int_osc_en->xtosb_val for isl1208_set_xtoscb() and > changed the data type from bool->u8. You might as well just use int. > * Replaced devm_clk_get->devm_clk_get_optional() in probe. > * IS_ERR() related error is propagated and check for NULL to find out > if a clock is present. Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds