Messages in this thread | | | From | Brian Norris <> | Subject | [PATCH 0/5] mtd: migrate 'of_node' handling to core, not in mtd_part_parser_data | Date | Mon, 26 Oct 2015 19:31:05 -0700 |
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Hi,
I noticed that, for MTD drivers that want to support DT partition parsing (essentially all recent ones), it's a bit awkward to set the tell MTD which DT node to use. I also noticed that this info is duplicated in a few places; namely, some sub-subsystems (like SPI NOR and NAND) need their own field to track the DT node, so let's have the propagate the 'MTD' DT node down for us.
Besides simplifying the boilerplate throughout MTD, this series also has the side effect of producing 'of_node' symlinks in sysfs. e.g.:
# ls -al /sys/class/mtd/mtd0/of_node lrwxrwxrwx 1 root root 0 Oct 26 19:17 /sys/class/mtd/mtd0/of_node -> ../../../../firmware/devicetree/base/spi@ff130000/flash@0
For NAND, this potentially has some other bigger initial side effects, since nand_dt_init() handles a bit more automagically for drivers that defined their ->flash_node. But these drivers should probably convert anyway. So, please test your favorite driver!
Thanks, Brian
Brian Norris (5): mtd: ofpart: grab device tree node directly from master device node mtd: nand: drop unnecessary partition parser data mtd: spi-nor: drop unnecessary partition parser data mtd: drop unnecessary partition parser data mtd: drop 'of_node' partition parser data
drivers/mtd/devices/m25p80.c | 8 ++------ drivers/mtd/devices/mtd_dataflash.c | 5 ++--- drivers/mtd/devices/spear_smi.c | 6 ++---- drivers/mtd/devices/st_spi_fsm.c | 5 ++--- drivers/mtd/maps/lantiq-flash.c | 5 ++--- drivers/mtd/maps/physmap_of.c | 5 ++--- drivers/mtd/nand/atmel_nand.c | 7 +++---- drivers/mtd/nand/brcmnand/brcmnand.c | 3 +-- drivers/mtd/nand/davinci_nand.c | 10 +++------- drivers/mtd/nand/fsl_elbc_nand.c | 5 ++--- drivers/mtd/nand/fsl_ifc_nand.c | 5 ++--- drivers/mtd/nand/fsl_upm.c | 5 ++--- drivers/mtd/nand/fsmc_nand.c | 7 +++---- drivers/mtd/nand/gpio.c | 8 +++----- drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 5 ++--- drivers/mtd/nand/hisi504_nand.c | 5 ++--- drivers/mtd/nand/lpc32xx_mlc.c | 7 +++---- drivers/mtd/nand/lpc32xx_slc.c | 7 +++---- drivers/mtd/nand/mpc5121_nfc.c | 5 ++--- drivers/mtd/nand/mxc_nand.c | 5 ++--- drivers/mtd/nand/nand_base.c | 3 +++ drivers/mtd/nand/ndfc.c | 5 ++--- drivers/mtd/nand/omap2.c | 6 ++---- drivers/mtd/nand/orion_nand.c | 6 ++---- drivers/mtd/nand/plat_nand.c | 5 ++--- drivers/mtd/nand/pxa3xx_nand.c | 10 +++++----- drivers/mtd/nand/sh_flctl.c | 6 ++---- drivers/mtd/nand/socrates_nand.c | 5 ++--- drivers/mtd/nand/sunxi_nand.c | 4 +--- drivers/mtd/nand/vf610_nfc.c | 6 +----- drivers/mtd/ofpart.c | 12 ++++-------- drivers/mtd/onenand/omap2.c | 8 +++----- drivers/mtd/spi-nor/fsl-quadspi.c | 4 +--- drivers/mtd/spi-nor/nxp-spifi.c | 4 +--- drivers/mtd/spi-nor/spi-nor.c | 1 + drivers/staging/mt29f_spinand/mt29f_spinand.c | 5 ++--- include/linux/mtd/partitions.h | 2 -- 37 files changed, 79 insertions(+), 131 deletions(-)
-- 2.6.0.rc2.230.g3dd15c0
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