summaryrefslogtreecommitdiff
path: root/arch/mips/alchemy/common/platform.c
diff options
context:
space:
mode:
authorManuel Lauss <manuel.lauss@gmail.com>2014-07-23 18:36:49 +0400
committerRalf Baechle <ralf@linux-mips.org>2014-07-30 16:09:02 +0400
commit5a2fb71e7329dbcefbd08db8e44055c72ed52e90 (patch)
treea589bacbe525cd520104bda0da11ea302d268686 /arch/mips/alchemy/common/platform.c
parent474402291a0ad4778a4e5fdff6ae507b2a26d809 (diff)
downloadlinux-5a2fb71e7329dbcefbd08db8e44055c72ed52e90.tar.xz
MIPS: Alchemy: platform: use clk framework for uarts
Use the clock framework to get the rate of the peripheral clock. Remove the now obsolete get_uart_baud_base function. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7468/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/alchemy/common/platform.c')
-rw-r--r--arch/mips/alchemy/common/platform.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index fb89d213523b..d77a64f4c78b 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -11,6 +11,7 @@
* warranty of any kind, whether express or implied.
*/
+#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
@@ -99,10 +100,20 @@ static struct platform_device au1xx0_uart_device = {
static void __init alchemy_setup_uarts(int ctype)
{
- unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
+ long uartclk;
int s = sizeof(struct plat_serial8250_port);
int c = alchemy_get_uarts(ctype);
struct plat_serial8250_port *ports;
+ struct clk *clk = clk_get(NULL, ALCHEMY_PERIPH_CLK);
+
+ if (IS_ERR(clk))
+ return;
+ if (clk_prepare_enable(clk)) {
+ clk_put(clk);
+ return;
+ }
+ uartclk = clk_get_rate(clk);
+ clk_put(clk);
ports = kzalloc(s * (c + 1), GFP_KERNEL);
if (!ports) {