Re: [PATCH v2 1/2] soc: renesas: rcar-mfis: convert spinlock to raw_spinlock
Geert Uytterhoeven <[email protected]>
| Newsgroups | org.kernel.vger.linux-renesas-soc |
|---|---|
| Message-ID | <CAMuHMdV+wsQQSjPkdfegoGtkAfqSxzb2V2Z12-h8ZpqDgNEW4g@mail.gmail.com> |
On Sat, 18 Jul 2026 at 20:24, Wolfram Sang <[email protected]> wrote: > With the upcoming hwspinlock support for this driver, mfis_write() can > also be accessed from atomic contexts. Convert the spinlock guarding the > unprotect register to a raw_spinlock, so we will avoid potential > deadlocks with preempt_rt. > > Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> i.e. will queue in renesas-devel for v7.4. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] 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