openwrtv4/target/linux/ar71xx/patches-4.4/634-MIPS-ath79-ar724x-clock-calculation-fixes.patch
Felix Fietkau 2530640f07 ar71xx: add support for linux 4.4
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48563
2016-01-30 13:19:53 +00:00

22 lines
618 B
Diff

--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -26,7 +26,7 @@
#include "common.h"
#define AR71XX_BASE_FREQ 40000000
-#define AR724X_BASE_FREQ 5000000
+#define AR724X_BASE_FREQ 40000000
#define AR913X_BASE_FREQ 5000000
static struct clk *clks[3];
@@ -103,8 +103,8 @@ static void __init ar724x_clocks_init(vo
div = ((pll >> AR724X_PLL_FB_SHIFT) & AR724X_PLL_FB_MASK);
freq = div * ref_rate;
- div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK);
- freq *= div;
+ div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK) * 2;
+ freq /= div;
cpu_rate = freq;