These functions are used in various drivers, including the latest
version of the 8250 driver. The latter causes the following build
failure.
drivers/tty/serial/8250/8250_core.c: In function 'mem32be_serial_out':
drivers/tty/serial/8250/8250_core.c:456:2: error:
implicit declaration of function 'iowrite32be'
drivers/tty/serial/8250/8250_core.c: In function 'mem32be_serial_in':
drivers/tty/serial/8250/8250_core.c:462:2: error:
implicit declaration of function 'ioread32be'
Cc: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes: c627f2ceb6 ("serial: 8250: Add support for big-endian MMIO
accesses")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rob Herring <robh@kernel.org>
write{b,w,l}_relaxed are implemented by some architectures in order to
permit memory-mapped I/O accesses with weaker barrier semantics than the
non-relaxed variants.
This patch adds dummy macros for the write accessors to frv, in the same
vein as the dummy definitions for the relaxed read accessors.
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
frv uses a version of pci_iomap that simply
casts and returns back the start address.
Looking closely, both ioremap and ioport_map seem to
do this on this platform, so the generic pci_iomap
will DTRT automatically.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
