Messages in this thread | | | Date | Thu, 16 Oct 2008 14:46:45 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] serial: Make uart_port's ioport "resource_size_t" |
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On Tue, 14 Oct 2008 12:26:21 -0400 Josh Boyer <jwboyer@linux.vnet.ibm.com> wrote:
> Recently uart_port's iobase was changed to be an 'unsigned > long' to avoid chopping off the upper 32-bits of the > address on 64-bit CPUs. However, there are CPUs that are > 32-bit but have a 64-bit address space. This changes > iobase to be 'resource_size_t' to accommodate those types > of systems. This also matches what is done for the mapbase > member of uart_port. > > Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> > > --- > > diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h > index e27f216..cb0185b 100644 > --- a/include/linux/serial_core.h > +++ b/include/linux/serial_core.h > @@ -241,7 +241,7 @@ typedef unsigned int __bitwise__ upf_t; > > struct uart_port { > spinlock_t lock; /* port lock */ > - unsigned long iobase; /* in/out[bwl] */ > + resource_size_t iobase; /* in/out[bwl] */ > unsigned char __iomem *membase; /* read/write[bwl] */ > unsigned int irq; /* irq number */ > unsigned int uartclk; /* base uart clock */
This will of course require that all now-broken printk()s be unbroken. I spot two in serial_core.c alone.
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