Replace the open-coded of_address_to_resource() in get_of_data() and the
later ioremap() of the memory region with a single
devm_platform_get_and_ioremap_resource() call in probe(). This requests
the region and maps it once, instead of mapping it without a region
request, and removes the redundant second ioremap.
Similarly replace irq_of_parse_and_map() with platform_get_irq(), which
returns a negative errno on failure (including -EPROBE_DEFER) instead of
0.
Both substitutions are equivalent for a DT-backed platform device. The
remaining OF accessors are now covered by linux/of.h, so the unused
linux/of_address.h and linux/of_irq.h includes are dropped.
No functional change; the GPCM window is not claimed by any other driver
(fsl_lbc only of_iomap()s its own registers, and sibling eLBC-window
drivers use distinct windows), so the new region request cannot conflict.
Built for powerpc (allmodconfig + CONFIG_UIO_FSL_ELBC_GPCM) with LLVM=1;
drivers/uio/uio_fsl_elbc_gpcm.o compiles cleanly.
Assisted-by: opencode:hy3-free
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260722204827.510133-1-rosenp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
c8295feb75