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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>
This commit is contained in:
Russell King 2016-01-04 15:37:41 -06:00 committed by Greg Kroah-Hartman
parent 462a1196a5
commit cdf091ca2c
1 changed files with 3 additions and 3 deletions
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6
drivers/tty/serial/amba-pl011.c
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@ -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)
;
}