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| author | Peng Fan <Peng.Fan@freescale.com> | 2015-09-06 17:15:47 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-10-02 10:42:31 +0200 |
| commit | e2748b416798be31f035c8314787bf1867005b57 (patch) | |
| tree | 291846157cc479fd821710e176822f877a8d2ec9 /arch/arm | |
| parent | 1f8836396de8215b7f460616926052b32597bb29 (diff) | |
| download | u-boot-imx-e2748b416798be31f035c8314787bf1867005b57.zip u-boot-imx-e2748b416798be31f035c8314787bf1867005b57.tar.gz u-boot-imx-e2748b416798be31f035c8314787bf1867005b57.tar.bz2 | |
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 <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Cc: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index ba6cc75..11efd12 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); |