Re: [linux-kernel] Re: [patch 1/2] x86: define outb_pic and inb_picto stop using outb_p and inb_p

From: David P. Reed
Date: Mon Feb 18 2008 - 12:31:23 EST


Alan Cox wrote:
+unsigned char inb_pic(unsigned int port)
+{
+ /* delay for some accesses to PIC on motherboard or in chipset must be
+ at least one microsecond, but be safe here. */
+ unsigned char value = inb(port);
+ udelay(2);
+ return value;
+}

inline it. Its almost no instructions

Will do. Assume you desire inlining of the outb_pic, and also the inb_pit and outb_pit routines. Didn't do it because the code is slightly bigger than the call.
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