Re: [PATCH] m68k/mac: Use '030 reset method on SE/30

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Hi Finn,

On Sat, Dec 22, 2018 at 4:07 AM Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx> wrote:
The comment says that calling the ROM routine doesn't work. But testing
shows that the 68030 fall-back reset method does work, so just use that.

Tested-by: Stan Johnson <userm57@xxxxxxxxx>
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>

Thanks for your patch!

--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -410,9 +410,8 @@ void mac_poweroff(void)

 void mac_reset(void)
 {
-       if (macintosh_config->adb_type == MAC_ADB_II) {
-               unsigned long flags;
-
+       if (macintosh_config->adb_type == MAC_ADB_II &&
+           macintosh_config->ident != MAC_MODEL_SE30) {
                /* need ROMBASE in booter */
                /* indeed, plus need to MAP THE ROM !! */

@@ -422,17 +421,8 @@ void mac_reset(void)
                /* works on some */
                rom_reset = (void *) (mac_bi_data.rombase + 0xa);

-               if (macintosh_config->ident == MAC_MODEL_SE30) {
-                       /*
-                        * MSch: Machines known to crash on ROM reset ...
-                        */
-               } else {
-                       local_irq_save(flags);
-
-                       rom_reset();
-
-                       local_irq_restore(flags);

I guess you removed the call to local_irq_restore() because you never
get there anyway?

-               }
+               local_irq_disable();
+               rom_reset();
 #ifdef CONFIG_ADB_CUDA
        } else if (macintosh_config->adb_type == MAC_ADB_EGRET ||
                   macintosh_config->adb_type == MAC_ADB_CUDA) {

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



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