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authorSimon Glass <sjg@chromium.org>2016-03-06 19:27:52 -0700
committerBin Meng <bmeng.cn@gmail.com>2016-03-17 10:27:23 +0800
commit319dba1f4d7bf2c82be1c5b0858c4b1c3d8b4cfe (patch)
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parent17c43f1a42135cdca28991658615323c2ca92e37 (diff)
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pci: Add functions to update PCI configuration registers
It is common to read a config register value, clear and set some bits, then write back the updated value. Add functions to do this in one step, for convenience. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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