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authorKoen Vandeputte <koen.vandeputte@ncentric.com>2019-01-07 11:59:49 +0100
committerKoen Vandeputte <koen.vandeputte@ncentric.com>2019-01-07 17:09:06 +0100
commit630d8b87a570b87ec3a0a2f950e87f674d381800 (patch)
tree6993d0bcd5874ad6e45a0729861781e7adf646f8 /target/linux/brcm2708/modules.mk
parent2d4f09404db6423355bc96a087f9555fe77a055c (diff)
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cns3xxx: use actual size reads for PCIe
upstream commit 802b7c06adc7 ("ARM: cns3xxx: Convert PCI to use generic config accessors") reimplemented cns3xxx_pci_read_config() using pci_generic_config_read32(), which preserved the property of only doing 32-bit reads. It also replaced cns3xxx_pci_write_config() with pci_generic_config_write(), so it changed writes from always being 32 bits to being the actual size, which works just fine. Due to: - The documentation does not mention that only 32 bit access is allowed. - Writes are already executed using the actual size - Extensive testing shows that 8b, 16b and 32b reads work as intended It makes perfectly sense to also swap 32 bit reading in favor of actual size. Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
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