From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pa0-x22c.google.com ([2607:f8b0:400e:c03::22c]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZsMvc-0005Dq-0B for linux-mtd@lists.infradead.org; Sat, 31 Oct 2015 03:34:04 +0000 Received: by padhy1 with SMTP id hy1so85124973pad.0 for ; Fri, 30 Oct 2015 20:33:43 -0700 (PDT) From: Brian Norris To: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Brian Norris , Boris Brezillon , Ezequiel Garcia , Marek Vasut , Scott Wood , Josh Wu , Robert Jarzmik , Kyungmin Park , Han Xu Subject: [PATCH v2 00/11] mtd: migrate 'of_node' handling to core, not in mtd_part_parser_data Date: Fri, 30 Oct 2015 20:33:19 -0700 Message-Id: <1446262410-45754-1-git-send-email-computersforpeace@gmail.com> List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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! v1 -> v2: * add helper functions for getting/setting the MTD/SPI-NOR/NAND DT node * fix some build errors * drop spi_nor's flash_node field (just use the MTD of_node) Regards, Brian Brian Norris (11): mtd: add get/set of_node/flash_node helpers mtd: ofpart: grab device tree node directly from master device node mtd: {nand,spi-nor}: assign MTD of_node mtd: nand: convert to nand_set_flash_node() mtd: spi-nor: convert to spi_nor_{get,set}_flash_node() mtd: nand: drop unnecessary partition parser data mtd: spi-nor: drop unnecessary partition parser data mtd: spi-nor: drop flash_node field mtd: drop unnecessary partition parser data mtd: ofpart: drop 'of_node' partition parser data mtd: physmap_of: assign parent for the concatenated MTD drivers/mtd/devices/m25p80.c | 10 +++------- 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 | 6 +++--- drivers/mtd/nand/atmel_nand.c | 7 +++---- drivers/mtd/nand/brcmnand/brcmnand.c | 5 ++--- 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 | 9 ++++----- 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 | 6 ++---- drivers/mtd/nand/vf610_nfc.c | 8 ++------ drivers/mtd/ofpart.c | 12 ++++-------- drivers/mtd/onenand/omap2.c | 8 +++----- drivers/mtd/spi-nor/fsl-quadspi.c | 6 ++---- drivers/mtd/spi-nor/nxp-spifi.c | 6 ++---- drivers/mtd/spi-nor/spi-nor.c | 2 +- drivers/staging/mt29f_spinand/mt29f_spinand.c | 5 ++--- include/linux/mtd/mtd.h | 11 +++++++++++ include/linux/mtd/nand.h | 11 +++++++++++ include/linux/mtd/partitions.h | 2 -- include/linux/mtd/spi-nor.h | 13 +++++++++++-- 40 files changed, 120 insertions(+), 141 deletions(-) -- 2.6.0.rc2.230.g3dd15c0