Re: [RFC 00/12] Misc patches for QCOM clocks

From: Stephen Boyd
Date: Thu Jul 27 2017 - 14:39:59 EST


On 07/27/2017 04:10 AM, Abhishek Sahu wrote:
> This patch series does the miscellaneous changes in different
> types of Qualcomm clock nodes which are required for IPQ8074 SoC.
> Following are the major changes in IPQ8074 for which the existing
> code does not have support.
>
> 1. Some of the IPQ8074 RCG2 has CFG_RCGR at offset 8 from
> CMD_RCGR instead of offset 4. Following are the register
> offsets of UBI RCG2 in Qualcomm IPQ8074.
>
> GCC_NSS_UBI0_CMD_RCGR: 0x1868100
> GCC_NSS_UBI0_CFG_RCGR: 0x1868108

That's insane. There's a hardware design mandate to not mess with the
register layout specifically for this reason. Amazing, but not
surprising that someone screwed it up.

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