[PATCH 1/7] ARM: PL011: include revision number in boot-time port printk
Russell King - ARM Linux
linux at arm.linux.org.uk
Mon Jan 3 05:08:18 EST 2011
Include the revision number of the PL011 primecell in the boot-time
port printk to allow proper identification of the peripheral.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
drivers/serial/amba-pl011.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 6ca7a44..2c07939 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -76,6 +76,7 @@ struct uart_amba_port {
unsigned int lcrh_rx; /* vendor-specific */
bool oversampling; /* vendor-specific */
bool autorts;
+ char type[12];
};
/* There is by now at least one vendor with differing details, so handle it */
@@ -622,7 +623,8 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
static const char *pl011_type(struct uart_port *port)
{
- return port->type == PORT_AMBA ? "AMBA/PL011" : NULL;
+ struct uart_amba_port *uap = (struct uart_amba_port *)port;
+ return uap->port.type == PORT_AMBA ? uap->type : NULL;
}
/*
@@ -872,6 +874,8 @@ static int pl011_probe(struct amba_device *dev, struct amba_id *id)
uap->port.flags = UPF_BOOT_AUTOCONF;
uap->port.line = i;
+ snprintf(uap->type, sizeof(uap->type), "PL011 rev%u", amba_rev(dev));
+
amba_ports[i] = uap;
amba_set_drvdata(dev, uap);
--
1.6.2.5
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