From e2748b416798be31f035c8314787bf1867005b57 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Sun, 6 Sep 2015 17:15:47 +0800 Subject: [PATCH] imx: mx6: correct enable_fec_anatop_clock We should follow 'read->set/clr bit->write' flow for enable_fec_anatop_clock, otherwise we may overridden configuration before enable_fec_anatop_clock. Signed-off-by: Peng Fan Cc: Stefano Babic Cc: Cc: Fabio Estevam --- arch/arm/cpu/armv7/mx6/clock.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index ba6cc75a7b..11efd12c9a 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -535,6 +535,8 @@ int enable_fec_anatop_clock(int fec_id, enum enet_freq freq) if (freq < ENET_25MHZ || freq > ENET_125MHZ) return -EINVAL; + reg = readl(&anatop->pll_enet); + if (fec_id == 0) { reg &= ~BM_ANADIG_PLL_ENET_DIV_SELECT; reg |= BF_ANADIG_PLL_ENET_DIV_SELECT(freq); -- 2.25.1