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| author | Robin Gong <b38343@freescale.com> | 2015-05-21 10:45:03 +0800 |
|---|---|---|
| committer | Robin Gong <b38343@freescale.com> | 2015-07-31 15:28:56 +0800 |
| commit | 8f48bb71889fa1380cece2034242d182097b6e9d (patch) | |
| tree | 5ce41cfe3abc3e382372280e5d617c51c75c23e7 | |
| parent | d482c54a9fbf458fdb2270cf990d8ec727823bb1 (diff) | |
| download | u-boot-imx-8f48bb71889fa1380cece2034242d182097b6e9d.zip u-boot-imx-8f48bb71889fa1380cece2034242d182097b6e9d.tar.gz u-boot-imx-8f48bb71889fa1380cece2034242d182097b6e9d.tar.bz2 | |
MLK-10957: ARM: mx6qp: do not turn off PU
There is narrow window that PRE driver is ready but GPU driver probe later,
and the later GPU driver turn on PU may cause 'PRE hang' issue. To simplify
thing, do not turn off PU in u-boot.
Signed-off-by: Robin Gong <b38343@freescale.com>
(cherry picked from commit 6b0787b726e2ff32210d742d93ecd3f4bb2ae402)
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index eba3756..7266d10 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -495,7 +495,8 @@ int arch_cpu_init(void) #endif #if !defined(CONFIG_MX6UL) - imx_set_vddpu_power_down(); + if (!is_mx6dqp()) + imx_set_vddpu_power_down(); #endif #ifdef CONFIG_APBH_DMA |