[PATCH v1 5/5] PCI: brcmstb: Set RCB_{MPS,64B}_MODE bits

Bjorn Helgaas helgaas at kernel.org
Fri Oct 7 12:32:53 PDT 2022


On Thu, Oct 06, 2022 at 06:03:21PM -0400, Jim Quinlan wrote:
> Set RCB_MPS mode bit so that data for PCIe read requests up to the size of
> the Maximum Payload Size (MPS) are returned in one completion,

> and data for
> PCIe read requests greater than the MPS are split at the specified Read
> Completion Boundary setting.

I think this second part is required by PCIe r6.0, sec 2.3.1.1,
regardless of the setting of RCB_MPS, isn't it?

> Set RCB_64B so that read compeletion boudnary is 64B.

To match usage in spec and above and fix typos,

s/that read compeletion boudnary/the Read Completion Boundary/

Bjorn



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