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authorRussell King <rmk+kernel@arm.linux.org.uk>2016-01-04 21:37:41 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-01-07 05:02:45 (GMT)
commitcdf091ca2c3d6875e5f0fca28de4a6ca2f5273e6 (patch)
tree4d7783757d062607d747ecf4305a0fd675285d9c /drivers/tty/serial
parent462a1196a578fc6f52c26427070a75e044bbf9b1 (diff)
downloadlinux-cdf091ca2c3d6875e5f0fca28de4a6ca2f5273e6.tar.xz
tty: amba-pl011: fix earlycon register offsets
The REG_x macros are indices into a table, not register offsets. Since earlycon does not have access to the vendor data, we can currently only support standard ARM PL011 devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Huang Shijie <shijie.huang@arm.com> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/amba-pl011.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 3b24aea..a7d7ab0 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2301,10 +2301,10 @@ static struct console amba_console = {
static void pl011_putc(struct uart_port *port, int c)
{
- while (readl(port->membase + REG_FR) & UART01x_FR_TXFF)
+ while (readl(port->membase + UART01x_FR) & UART01x_FR_TXFF)
;
- writeb(c, port->membase + REG_DR);
- while (readl(port->membase + REG_FR) & UART01x_FR_BUSY)
+ writeb(c, port->membase + UART01x_DR);
+ while (readl(port->membase + UART01x_FR) & UART01x_FR_BUSY)
;
}