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authorPaul Burton <paul.burton@imgtec.com>2015-05-24 16:11:33 +0100
committerRalf Baechle <ralf@linux-mips.org>2015-06-21 21:53:12 +0200
commite06b86a33ad9a225d6336f2489cdd79aeaa9d59b (patch)
treead484b9facecd02ee2a9e800d978c41c67b64179 /arch/mips/jz4740/platform.c
parent1f4b840983ffbd7053b5c2219deaf62b4b8a3c12 (diff)
downloadlinux-e06b86a33ad9a225d6336f2489cdd79aeaa9d59b.tar.gz
linux-e06b86a33ad9a225d6336f2489cdd79aeaa9d59b.tar.xz
MIPS: JZ4740: replace use of jz4740_clock_bdata
Replace uses of the jz4740_clock_bdata struct with calls to clk_get_rate for the appropriate clock. This is in preparation for migrating the clocks towards common clock framework & devicetree. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: linux-mips@linux-mips.org Cc: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: linux-kernel@vger.kernel.org Cc: Apelete Seketeli <apelete@seketeli.net> Patchwork: https://patchwork.linux-mips.org/patch/10149/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/jz4740/platform.c')
-rw-r--r--arch/mips/jz4740/platform.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c
index 0b12f273cb2e..2a5c7c7d0735 100644
--- a/arch/mips/jz4740/platform.c
+++ b/arch/mips/jz4740/platform.c
@@ -13,6 +13,7 @@
*
*/
+#include <linux/clk.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
@@ -308,9 +309,17 @@ static struct platform_device jz4740_uart_device = {
void jz4740_serial_device_register(void)
{
struct plat_serial8250_port *p;
+ struct clk *ext_clk;
+ unsigned long ext_rate;
+
+ ext_clk = clk_get(NULL, "ext");
+ if (IS_ERR(ext_clk))
+ panic("unable to get ext clock");
+ ext_rate = clk_get_rate(ext_clk);
+ clk_put(ext_clk);
for (p = jz4740_uart_data; p->flags != 0; ++p)
- p->uartclk = jz4740_clock_bdata.ext_rate;
+ p->uartclk = ext_rate;
platform_device_register(&jz4740_uart_device);
}