Messages in this thread | | | From | Jesse Barnes <> | Subject | Re: [PATCH] add legacy I/O port & memory APIs to /proc/bus/pci | Date | Thu, 16 Dec 2004 10:56:12 -0800 |
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On Thursday, December 16, 2004 10:45 am, David Mosberger wrote: > >>>>> On Thu, 16 Dec 2004 08:50:19 -0800, Jesse Barnes > >>>>> <jbarnes@engr.sgi.com> said: > > Jesse> +int ia64_pci_legacy_read(struct pci_dev *dev, u16 port, u32 *val, > u8 size) Jesse> +{ > Jesse> + int ret = 0; > Jesse> : > Jesse> + case 1: > Jesse> + addr = (unsigned long *)paddr; > Jesse> + *val = (u8)(*(volatile u8 *)(addr)); > Jesse> + break; > Jesse> + case 2: > Jesse> + addr = (unsigned long *)paddr; > Jesse> + *val = (u16)(*(volatile u16 *)(addr)); > Jesse> + break; > Jesse> : > Jesse> +} > > Jesse> +int ia64_pci_legacy_write(struct pci_dev *dev, u16 port, u32 val, > u8 size) Jesse> +{ > Jesse> + switch (size) { > Jesse> + case 1: > Jesse> + addr = (unsigned long *)paddr; > Jesse> + *(volatile u8 *)(addr) = (u8)(val); > Jesse> + break; > Jesse> + case 2: > Jesse> + addr = (unsigned long *)paddr; > Jesse> + *(volatile u16 *)(addr) = (u16)(val); > Jesse> + break; > Jesse> : > Jesse> + } > > No offense, but what's up with this castamania?
Leftovers from other code. I don't actually use this stuff on sn2, someone with a DIG test box will have to verify it (willy pointed out that I should probably just be using the appropriate inX our outX routine here instead, which makes sense).
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