Re: [Cbe-oss-dev] [patch 02/13] powerpc: add hvc backend for rtas
From: Arnd Bergmann <arnd@arndb.de>
Date: 2006-03-23 22:36:33
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lkml
Am Thursday 23 March 2006 22:32 schrieb Olof Johansson:
quoted
+static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, int count) +{ +=A0=A0=A0=A0=A0int done; + +=A0=A0=A0=A0=A0/* if there is more than one character to be displayed,=
wait a bit */
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+=A0=A0=A0=A0=A0for (done =3D 0; done < count; done++) {=20 +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0int result; +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0result =3D rtas_call(rtascons_p=
ut_char_token, 1, 1, NULL, buf[done]);
quoted
+=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0if (result)=20 +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0break;Why introduce a scope-local variable just to check it? =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0if(rtas_call(...)) =A0 wo=
uld be cleaner. I don't like doing the important stuff inside of another expression, and I prefer conditions not to have side-effects. If nobody else has a strong opinion on it, I'd prefer to leave it. BTW, who is the current maintainer of hvc_console? Ryan is working on glibc nowadays, right?
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+=A0=A0=A0=A0=A0/* Really the fun isn't over until the worker thread br=
eaks down
quoted
and the +=A0=A0=A0=A0=A0 * tty cleans up */ +=A0=A0=A0=A0=A0if (hvc_rtas_dev) +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0hvc_remove(hvc_rtas_dev); +} +module_exit(hvc_rtas_exit); /* before drivers/char/hvc_console.c */Cryptic comment?
No idea how what it was about, I'll remove it. Arnd <><