diff options
| author |   Ruchika Kharwar <ruchika@ti.com> | 2013-07-08 10:28:57 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-26 15:55:44 -0700 |
| commit | 76bac1987ca181d54f8c9456d20997cb1020af2d (patch) | |
| tree | 680b931935ce8538c593b71cec9b3c61d3ff5abf /drivers/tty/serial/omap-serial.c | |
| parent | OMAP: UART: Keep the TX fifo full when possible (diff) | |
| download | linux-dev-76bac1987ca181d54f8c9456d20997cb1020af2d.tar.xz linux-dev-76bac1987ca181d54f8c9456d20997cb1020af2d.zip | |
OMAP: UART: Fix the revision register read.
The revision register is a 32 bit register. The serial_in() function reads
only the lower 16 bits of the register. This leads to an incorrect computation
of the Module revision.
Signed-off-by: Ruchika Kharwar <ruchika@ti.com>
[oleksandr.savchenko@ti.com: add some whitespaces]
Signed-off-by: Alexander Savchenko <oleksandr.savchenko@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 9271a1dceec3..9b6fc54967f2 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1344,7 +1344,7 @@ static void omap_serial_fill_features_erratas(struct uart_omap_port *up) u32 mvr, scheme; u16 revision, major, minor; - mvr = serial_in(up, UART_OMAP_MVER); + mvr = readl(up->port.membase + (UART_OMAP_MVER << up->port.regshift)); /* Check revision register scheme */ scheme = mvr >> OMAP_UART_MVR_SCHEME_SHIFT; |