diff options
34 files changed, 107 insertions, 100 deletions
diff --git a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml index 331e564f29dc..058253d6d889 100644 --- a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml +++ b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml @@ -29,6 +29,24 @@ properties: "#size-cells": true + compression: + $ref: /schemas/types.yaml#/definitions/string + description: | + Compression algorithm used to store the data in this partition, chosen + from a list of well-known algorithms. + + The contents are compressed using this algorithm. + + enum: + - none + - bzip2 + - gzip + - lzop + - lz4 + - lzma + - xz + - zstd + patternProperties: "@[0-9a-f]+$": $ref: partition.yaml# @@ -64,6 +82,7 @@ examples: uimage@100000 { reg = <0x0100000 0x200000>; + compress = "lzma"; }; }; diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 11b06fefaa0e..c10693ba265b 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -422,9 +422,25 @@ read_pri_intelext(struct map_info *map, __u16 adr) extra_size = 0; /* Protection Register info */ - if (extp->NumProtectionFields) + if (extp->NumProtectionFields) { + struct cfi_intelext_otpinfo *otp = + (struct cfi_intelext_otpinfo *)&extp->extra[0]; + extra_size += (extp->NumProtectionFields - 1) * - sizeof(struct cfi_intelext_otpinfo); + sizeof(struct cfi_intelext_otpinfo); + + if (extp_size >= sizeof(*extp) + extra_size) { + int i; + + /* Do some byteswapping if necessary */ + for (i = 0; i < extp->NumProtectionFields - 1; i++) { + otp->ProtRegAddr = le32_to_cpu(otp->ProtRegAddr); + otp->FactGroups = le16_to_cpu(otp->FactGroups); + otp->UserGroups = le16_to_cpu(otp->UserGroups); + otp++; + } + } + } } if (extp->MinorVersion >= '1') { diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c index e8dd6496927e..f9d3e32ef8e9 100644 --- a/drivers/mtd/chips/map_ram.c +++ b/drivers/mtd/chips/map_ram.c @@ -70,12 +70,16 @@ static struct mtd_info *map_ram_probe(struct map_info *map) mtd->_read = mapram_read; mtd->_write = mapram_write; mtd->_panic_write = mapram_write; - mtd->_point = mapram_point; mtd->_sync = mapram_nop; - mtd->_unpoint = mapram_unpoint; mtd->flags = MTD_CAP_RAM; mtd->writesize = 1; + /* Disable direct access when NO_XIP is set */ + if (map->phys != NO_XIP) { + mtd->_point = mapram_point; + mtd->_unpoint = mapram_unpoint; + } + mtd->erasesize = PAGE_SIZE; while(mtd->size & (mtd->erasesize - 1)) mtd->erasesize >>= 1; diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c index 3af50db8b21b..74f559bf8dfb 100644 --- a/drivers/mtd/devices/bcm47xxsflash.c +++ b/drivers/mtd/devices/bcm47xxsflash.c @@ -357,19 +357,17 @@ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev) return 0; } -static int bcm47xxsflash_bcma_remove(struct platform_device *pdev) +static void bcm47xxsflash_bcma_remove(struct platform_device *pdev) { struct bcm47xxsflash *b47s = platform_get_drvdata(pdev); mtd_device_unregister(&b47s->mtd); iounmap(b47s->window); - - return 0; } static struct platform_driver bcma_sflash_driver = { .probe = bcm47xxsflash_bcma_probe, - .remove = bcm47xxsflash_bcma_remove, + .remove_new = bcm47xxsflash_bcma_remove, .driver = { .name = "bcma_sflash", }, diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 22e73dd6118b..a2b643af7019 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -2046,7 +2046,7 @@ err_probe: * * Returns 0 */ -static int docg3_release(struct platform_device *pdev) +static void docg3_release(struct platform_device *pdev) { struct docg3_cascade *cascade = platform_get_drvdata(pdev); struct docg3 *docg3 = cascade->floors[0]->priv; @@ -2058,7 +2058,6 @@ static int docg3_release(struct platform_device *pdev) doc_release_device(cascade->floors[floor]); bch_free(docg3->cascade->bch); - return 0; } #ifdef CONFIG_OF @@ -2076,7 +2075,7 @@ static struct platform_driver g3_driver = { }, .suspend = docg3_suspend, .resume = docg3_resume, - .remove = docg3_release, + .remove_new = docg3_release, }; module_platform_driver_probe(g3_driver, docg3_probe); diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index 208bd4d871f4..1bf192f229d7 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -388,20 +388,18 @@ static int phram_probe(struct platform_device *pdev) PAGE_SIZE); } -static int phram_remove(struct platform_device *pdev) +static void phram_remove(struct platform_device *pdev) { struct phram_mtd_list *phram = platform_get_drvdata(pdev); mtd_device_unregister(&phram->mtd); phram_unmap(phram); kfree(phram); - - return 0; } static struct platform_driver phram_driver = { .probe = phram_probe, - .remove = phram_remove, + .remove_new = phram_remove, .driver = { .name = "phram", .of_match_table = of_match_ptr(phram_of_match), diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c index 36e060386e59..66044f4f5bad 100644 --- a/drivers/mtd/devices/powernv_flash.c +++ b/drivers/mtd/devices/powernv_flash.c @@ -265,14 +265,12 @@ static int powernv_flash_probe(struct platform_device *pdev) * * Returns 0 */ -static int powernv_flash_release(struct platform_device *pdev) +static void powernv_flash_release(struct platform_device *pdev) { struct powernv_flash *data = dev_get_drvdata(&(pdev->dev)); /* All resources should be freed automatically */ WARN_ON(mtd_device_unregister(&data->mtd)); - - return 0; } static const struct of_device_id powernv_flash_match[] = { @@ -285,7 +283,7 @@ static struct platform_driver powernv_flash_driver = { .name = "powernv_flash", .of_match_table = powernv_flash_match, }, - .remove = powernv_flash_release, + .remove_new = powernv_flash_release, .probe = powernv_flash_probe, }; diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c index 0a35e5236ae5..1574296d47e2 100644 --- a/drivers/mtd/devices/spear_smi.c +++ b/drivers/mtd/devices/spear_smi.c @@ -1031,7 +1031,7 @@ err: * * free all allocations and delete the partitions. */ -static int spear_smi_remove(struct platform_device *pdev) +static void spear_smi_remove(struct platform_device *pdev) { struct spear_smi *dev; struct spear_snor_flash *flash; @@ -1048,8 +1048,6 @@ static int spear_smi_remove(struct platform_device *pdev) /* clean up mtd stuff */ WARN_ON(mtd_device_unregister(&flash->mtd)); } - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -1095,7 +1093,7 @@ static struct platform_driver spear_smi_driver = { .pm = &spear_smi_pm_ops, }, .probe = spear_smi_probe, - .remove = spear_smi_remove, + .remove_new = spear_smi_remove, }; module_platform_driver(spear_smi_driver); diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index 95530cbbb1e0..3268de5fc780 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -2097,13 +2097,11 @@ static int stfsm_probe(struct platform_device *pdev) return mtd_device_register(&fsm->mtd, NULL, 0); } -static int stfsm_remove(struct platform_device *pdev) +static void stfsm_remove(struct platform_device *pdev) { struct stfsm *fsm = platform_get_drvdata(pdev); WARN_ON(mtd_device_unregister(&fsm->mtd)); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -2134,7 +2132,7 @@ MODULE_DEVICE_TABLE(of, stfsm_match); static struct platform_driver stfsm_driver = { .probe = stfsm_probe, - .remove = stfsm_remove, + .remove_new = stfsm_remove, .driver = { .name = "st-spi-fsm", .of_match_table = stfsm_match, diff --git a/drivers/mtd/hyperbus/hbmc-am654.c b/drivers/mtd/hyperbus/hbmc-am654.c index a6161ce340d4..dbe3eb361cca 100644 --- a/drivers/mtd/hyperbus/hbmc-am654.c +++ b/drivers/mtd/hyperbus/hbmc-am654.c @@ -229,7 +229,7 @@ disable_mux: return ret; } -static int am654_hbmc_remove(struct platform_device *pdev) +static void am654_hbmc_remove(struct platform_device *pdev) { struct am654_hbmc_priv *priv = platform_get_drvdata(pdev); struct am654_hbmc_device_priv *dev_priv = priv->hbdev.priv; @@ -241,8 +241,6 @@ static int am654_hbmc_remove(struct platform_device *pdev) if (dev_priv->rx_chan) dma_release_channel(dev_priv->rx_chan); - - return 0; } static const struct of_device_id am654_hbmc_dt_ids[] = { @@ -256,7 +254,7 @@ MODULE_DEVICE_TABLE(of, am654_hbmc_dt_ids); static struct platform_driver am654_hbmc_platform_driver = { .probe = am654_hbmc_probe, - .remove = am654_hbmc_remove, + .remove_new = am654_hbmc_remove, .driver = { .name = "hbmc-am654", .of_match_table = am654_hbmc_dt_ids, diff --git a/drivers/mtd/hyperbus/rpc-if.c b/drivers/mtd/hyperbus/rpc-if.c index ef32fca5f785..b22aa57119f2 100644 --- a/drivers/mtd/hyperbus/rpc-if.c +++ b/drivers/mtd/hyperbus/rpc-if.c @@ -154,20 +154,18 @@ out_disable_rpm: return error; } -static int rpcif_hb_remove(struct platform_device *pdev) +static void rpcif_hb_remove(struct platform_device *pdev) { struct rpcif_hyperbus *hyperbus = platform_get_drvdata(pdev); hyperbus_unregister_device(&hyperbus->hbdev); pm_runtime_disable(hyperbus->rpc.dev); - - return 0; } static struct platform_driver rpcif_platform_driver = { .probe = rpcif_hb_probe, - .remove = rpcif_hb_remove, + .remove_new = rpcif_hb_remove, .driver = { .name = "rpc-if-hyperflash", }, diff --git a/drivers/mtd/lpddr/lpddr2_nvm.c b/drivers/mtd/lpddr/lpddr2_nvm.c index f4e5174b2449..9169e1155dbb 100644 --- a/drivers/mtd/lpddr/lpddr2_nvm.c +++ b/drivers/mtd/lpddr/lpddr2_nvm.c @@ -476,11 +476,9 @@ static int lpddr2_nvm_probe(struct platform_device *pdev) /* * lpddr2_nvm driver remove method */ -static int lpddr2_nvm_remove(struct platform_device *pdev) +static void lpddr2_nvm_remove(struct platform_device *pdev) { WARN_ON(mtd_device_unregister(dev_get_drvdata(&pdev->dev))); - - return 0; } /* Initialize platform_driver data structure for lpddr2_nvm */ @@ -489,7 +487,7 @@ static struct platform_driver lpddr2_nvm_drv = { .name = "lpddr2_nvm", }, .probe = lpddr2_nvm_probe, - .remove = lpddr2_nvm_remove, + .remove_new = lpddr2_nvm_remove, }; module_platform_driver(lpddr2_nvm_drv); diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c index 3c3939bc2dad..14e36ae71958 100644 --- a/drivers/mtd/lpddr/lpddr_cmds.c +++ b/drivers/mtd/lpddr/lpddr_cmds.c @@ -61,7 +61,7 @@ struct mtd_info *lpddr_cmdset(struct map_info *map) mtd->_point = lpddr_point; mtd->_unpoint = lpddr_unpoint; } - mtd->size = 1 << lpddr->qinfo->DevSizeShift; + mtd->size = 1ULL << lpddr->qinfo->DevSizeShift; mtd->erasesize = 1 << lpddr->qinfo->UniformBlockSizeShift; mtd->writesize = 1 << lpddr->qinfo->BufSizeShift; diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c index a1da1c8973c0..124b13c5d747 100644 --- a/drivers/mtd/maps/lantiq-flash.c +++ b/drivers/mtd/maps/lantiq-flash.c @@ -166,8 +166,7 @@ err_destroy: return err; } -static int -ltq_mtd_remove(struct platform_device *pdev) +static void ltq_mtd_remove(struct platform_device *pdev) { struct ltq_mtd *ltq_mtd = platform_get_drvdata(pdev); @@ -175,7 +174,6 @@ ltq_mtd_remove(struct platform_device *pdev) mtd_device_unregister(ltq_mtd->mtd); map_destroy(ltq_mtd->mtd); } - return 0; } static const struct of_device_id ltq_mtd_match[] = { @@ -186,7 +184,7 @@ MODULE_DEVICE_TABLE(of, ltq_mtd_match); static struct platform_driver ltq_mtd_driver = { .probe = ltq_mtd_probe, - .remove = ltq_mtd_remove, + .remove_new = ltq_mtd_remove, .driver = { .name = "ltq-nor", .of_match_table = ltq_mtd_match, diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c index 78710fbc8e7f..cc846b732eeb 100644 --- a/drivers/mtd/maps/physmap-core.c +++ b/drivers/mtd/maps/physmap-core.c @@ -30,6 +30,7 @@ #include <linux/slab.h> #include <linux/device.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> @@ -37,7 +38,7 @@ #include <linux/mtd/concat.h> #include <linux/mtd/cfi_endian.h> #include <linux/io.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/pm_runtime.h> #include <linux/gpio/consumer.h> @@ -62,7 +63,7 @@ struct physmap_flash_info { unsigned int win_order; }; -static int physmap_flash_remove(struct platform_device *dev) +static void physmap_flash_remove(struct platform_device *dev) { struct physmap_flash_info *info; struct physmap_flash_data *physmap_data; @@ -88,7 +89,6 @@ static int physmap_flash_remove(struct platform_device *dev) pm_runtime_put(&dev->dev); pm_runtime_disable(&dev->dev); - return 0; } static void physmap_set_vpp(struct map_info *map, int state) @@ -296,14 +296,9 @@ static const char * const *of_get_part_probes(struct platform_device *dev) static const char *of_select_probe_type(struct platform_device *dev) { struct device_node *dp = dev->dev.of_node; - const struct of_device_id *match; const char *probe_type; - match = of_match_device(of_flash_match, &dev->dev); - if (!match) - return NULL; - - probe_type = match->data; + probe_type = device_get_match_data(&dev->dev); if (probe_type) return probe_type; @@ -615,7 +610,7 @@ static void physmap_flash_shutdown(struct platform_device *dev) static struct platform_driver physmap_flash_driver = { .probe = physmap_flash_probe, - .remove = physmap_flash_remove, + .remove_new = physmap_flash_remove, .shutdown = physmap_flash_shutdown, .driver = { .name = "physmap-flash", diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c index 4c921dce7396..8b736f029f81 100644 --- a/drivers/mtd/maps/plat-ram.c +++ b/drivers/mtd/maps/plat-ram.c @@ -65,14 +65,14 @@ static inline void platram_setrw(struct platram_info *info, int to) * called to remove the device from the driver's control */ -static int platram_remove(struct platform_device *pdev) +static void platram_remove(struct platform_device *pdev) { struct platram_info *info = to_platram_info(pdev); dev_dbg(&pdev->dev, "removing device\n"); if (info == NULL) - return 0; + return; if (info->mtd) { mtd_device_unregister(info->mtd); @@ -84,8 +84,6 @@ static int platram_remove(struct platform_device *pdev) platram_setrw(info, PLATRAM_RO); kfree(info); - - return 0; } /* platram_probe @@ -207,7 +205,7 @@ MODULE_ALIAS("platform:mtd-ram"); static struct platform_driver platram_driver = { .probe = platram_probe, - .remove = platram_remove, + .remove_new = platram_remove, .driver = { .name = "mtd-ram", }, diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index 62a5bf41a6d7..f2a2d4706f1f 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -98,7 +98,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev) return 0; } -static int pxa2xx_flash_remove(struct platform_device *dev) +static void pxa2xx_flash_remove(struct platform_device *dev) { struct pxa2xx_flash_info *info = platform_get_drvdata(dev); @@ -109,7 +109,6 @@ static int pxa2xx_flash_remove(struct platform_device *dev) if (info->map.cached) iounmap(info->map.cached); kfree(info); - return 0; } #ifdef CONFIG_PM @@ -129,7 +128,7 @@ static struct platform_driver pxa2xx_flash_driver = { .name = "pxa2xx-flash", }, .probe = pxa2xx_flash_probe, - .remove = pxa2xx_flash_remove, + .remove_new = pxa2xx_flash_remove, .shutdown = pxa2xx_flash_shutdown, }; diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index d3d4e987c163..d4ce2376d33f 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -285,19 +285,17 @@ static int sa1100_mtd_probe(struct platform_device *pdev) return err; } -static int sa1100_mtd_remove(struct platform_device *pdev) +static void sa1100_mtd_remove(struct platform_device *pdev) { struct sa_info *info = platform_get_drvdata(pdev); struct flash_platform_data *plat = dev_get_platdata(&pdev->dev); sa1100_destroy(info, plat); - - return 0; } static struct platform_driver sa1100_mtd_driver = { .probe = sa1100_mtd_probe, - .remove = sa1100_mtd_remove, + .remove_new = sa1100_mtd_remove, .driver = { .name = "sa1100-mtd", }, diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c index 2bfdf1b7e18a..f58cfb15d6e8 100644 --- a/drivers/mtd/maps/sun_uflash.c +++ b/drivers/mtd/maps/sun_uflash.c @@ -118,7 +118,7 @@ static int uflash_probe(struct platform_device *op) return uflash_devinit(op, dp); } -static int uflash_remove(struct platform_device *op) +static void uflash_remove(struct platform_device *op) { struct uflash_dev *up = dev_get_drvdata(&op->dev); @@ -132,8 +132,6 @@ static int uflash_remove(struct platform_device *op) } kfree(up); - - return 0; } static const struct of_device_id uflash_match[] = { @@ -151,7 +149,7 @@ static struct platform_driver uflash_driver = { .of_match_table = uflash_match, }, .probe = uflash_probe, - .remove = uflash_remove, + .remove_new = uflash_remove, }; module_platform_driver(uflash_driver); diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 9bd661be3ae9..848ca4ae058d 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -1505,6 +1505,8 @@ int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, ret = mtd_read_oob(mtd, from, &ops); *retlen = ops.retlen; + WARN_ON_ONCE(*retlen != len && mtd_is_bitflip_or_eccerr(ret)); + return ret; } EXPORT_SYMBOL_GPL(mtd_read); diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 23483db8f30c..6811a714349d 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -426,7 +426,11 @@ int add_mtd_partitions(struct mtd_info *parent, mtd_add_partition_attrs(child); /* Look for subpartitions */ - parse_mtd_partitions(child, parts[i].types, NULL); + ret = parse_mtd_partitions(child, parts[i].types, NULL); + if (ret < 0) { + pr_err("Failed to parse subpartitions: %d\n", ret); + goto err_del_partitions; + } cur_offset = child->part.offset + child->part.size; } diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 3f494f7c7ecb..4cb478bbee4a 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -165,7 +165,7 @@ struct atmel_nand { struct atmel_pmecc_user *pmecc; struct gpio_desc *cdgpio; int numcs; - struct atmel_nand_cs cs[]; + struct atmel_nand_cs cs[] __counted_by(numcs); }; static inline struct atmel_nand *to_atmel_nand(struct nand_chip *chip) diff --git a/drivers/mtd/nand/raw/cadence-nand-controller.c b/drivers/mtd/nand/raw/cadence-nand-controller.c index 034ec564c2ed..f19bf06e9e05 100644 --- a/drivers/mtd/nand/raw/cadence-nand-controller.c +++ b/drivers/mtd/nand/raw/cadence-nand-controller.c @@ -15,8 +15,10 @@ #include <linux/module.h> #include <linux/mtd/mtd.h> #include <linux/mtd/rawnand.h> -#include <linux/of_device.h> #include <linux/iopoll.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/property.h> #include <linux/slab.h> /* @@ -2995,15 +2997,11 @@ static int cadence_nand_dt_probe(struct platform_device *ofdev) struct cadence_nand_dt *dt; struct cdns_nand_ctrl *cdns_ctrl; int ret; - const struct of_device_id *of_id; const struct cadence_nand_dt_devdata *devdata; u32 val; - of_id = of_match_device(cadence_nand_dt_ids, &ofdev->dev); - if (of_id) { - ofdev->id_entry = of_id->data; - devdata = of_id->data; - } else { + devdata = device_get_match_data(&ofdev->dev); + if (!devdata) { pr_err("Failed to find the right device id.\n"); return -ENOMEM; } diff --git a/drivers/mtd/nand/raw/denali.h b/drivers/mtd/nand/raw/denali.h index ac46eb7956ce..5f2fab022fc5 100644 --- a/drivers/mtd/nand/raw/denali.h +++ b/drivers/mtd/nand/raw/denali.h @@ -328,7 +328,7 @@ struct denali_chip { struct nand_chip chip; struct list_head node; unsigned int nsels; - struct denali_chip_sel sels[]; + struct denali_chip_sel sels[] __counted_by(nsels); }; /** diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c index 6748226b8bd1..ce9ef4e65597 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c @@ -46,7 +46,7 @@ struct ingenic_nfc { struct nand_controller controller; unsigned int num_banks; struct list_head chips; - struct ingenic_nand_cs cs[]; + struct ingenic_nand_cs cs[] __counted_by(num_banks); }; struct ingenic_nand { diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index 2c94da7a3b3a..2e23e21451d1 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -348,7 +348,7 @@ struct marvell_nand_chip { int addr_cyc; int selected_die; unsigned int nsels; - struct marvell_nand_chip_sel sels[]; + struct marvell_nand_chip_sel sels[] __counted_by(nsels); }; static inline struct marvell_nand_chip *to_marvell_nand(struct nand_chip *chip) diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 25e3c1cb605e..378f28ce6a74 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -128,7 +128,7 @@ struct meson_nfc_nand_chip { u8 *data_buf; __le64 *info_buf; u32 nsels; - u8 sels[]; + u8 sels[] __counted_by(nsels); }; struct meson_nand_ecc { diff --git a/drivers/mtd/nand/raw/renesas-nand-controller.c b/drivers/mtd/nand/raw/renesas-nand-controller.c index 589021ea9eb2..c9a01feff8df 100644 --- a/drivers/mtd/nand/raw/renesas-nand-controller.c +++ b/drivers/mtd/nand/raw/renesas-nand-controller.c @@ -210,7 +210,7 @@ struct rnand_chip { u32 tim_gen_seq1; u32 tim_gen_seq2; u32 tim_gen_seq3; - struct rnand_chip_sel sels[]; + struct rnand_chip_sel sels[] __counted_by(nsels); }; struct rnandc { diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 9abf38049d35..4ec17c8bce5a 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -197,7 +197,7 @@ struct sunxi_nand_chip { u32 timing_cfg; u32 timing_ctl; int nsels; - struct sunxi_nand_chip_sel sels[]; + struct sunxi_nand_chip_sel sels[] __counted_by(nsels); }; static inline struct sunxi_nand_chip *to_sunxi_nand(struct nand_chip *nand) diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c index 3f783b8f76c9..f31d23219f91 100644 --- a/drivers/mtd/nand/raw/vf610_nfc.c +++ b/drivers/mtd/nand/raw/vf610_nfc.c @@ -29,8 +29,9 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/swab.h> @@ -810,7 +811,6 @@ static int vf610_nfc_probe(struct platform_device *pdev) struct mtd_info *mtd; struct nand_chip *chip; struct device_node *child; - const struct of_device_id *of_id; int err; int irq; @@ -840,12 +840,10 @@ static int vf610_nfc_probe(struct platform_device *pdev) return PTR_ERR(nfc->clk); } - of_id = of_match_device(vf610_nfc_dt_ids, &pdev->dev); - if (!of_id) + nfc->variant = (enum vf610_nfc_variant)device_get_match_data(&pdev->dev); + if (!nfc->variant) return -ENODEV; - nfc->variant = (uintptr_t)of_id->data; - for_each_available_child_of_node(nfc->dev->of_node, child) { if (of_device_is_compatible(child, "fsl,vf610-nfc-nandcs")) { diff --git a/drivers/mtd/spi-nor/controllers/hisi-sfc.c b/drivers/mtd/spi-nor/controllers/hisi-sfc.c index 5070d72835ec..89a7f0bbc4b3 100644 --- a/drivers/mtd/spi-nor/controllers/hisi-sfc.c +++ b/drivers/mtd/spi-nor/controllers/hisi-sfc.c @@ -468,13 +468,12 @@ static int hisi_spi_nor_probe(struct platform_device *pdev) return ret; } -static int hisi_spi_nor_remove(struct platform_device *pdev) +static void hisi_spi_nor_remove(struct platform_device *pdev) { struct hifmc_host *host = platform_get_drvdata(pdev); hisi_spi_nor_unregister_all(host); mutex_destroy(&host->lock); - return 0; } static const struct of_device_id hisi_spi_nor_dt_ids[] = { @@ -489,7 +488,7 @@ static struct platform_driver hisi_spi_nor_driver = { .of_match_table = hisi_spi_nor_dt_ids, }, .probe = hisi_spi_nor_probe, - .remove = hisi_spi_nor_remove, + .remove_new = hisi_spi_nor_remove, }; module_platform_driver(hisi_spi_nor_driver); diff --git a/drivers/mtd/spi-nor/controllers/nxp-spifi.c b/drivers/mtd/spi-nor/controllers/nxp-spifi.c index 5d8f47ab146f..5aee62f51031 100644 --- a/drivers/mtd/spi-nor/controllers/nxp-spifi.c +++ b/drivers/mtd/spi-nor/controllers/nxp-spifi.c @@ -431,13 +431,11 @@ static int nxp_spifi_probe(struct platform_device *pdev) return 0; } -static int nxp_spifi_remove(struct platform_device *pdev) +static void nxp_spifi_remove(struct platform_device *pdev) { struct nxp_spifi *spifi = platform_get_drvdata(pdev); mtd_device_unregister(&spifi->nor.mtd); - - return 0; } static const struct of_device_id nxp_spifi_match[] = { @@ -448,7 +446,7 @@ MODULE_DEVICE_TABLE(of, nxp_spifi_match); static struct platform_driver nxp_spifi_driver = { .probe = nxp_spifi_probe, - .remove = nxp_spifi_remove, + .remove_new = nxp_spifi_remove, .driver = { .name = "nxp-spifi", .of_match_table = nxp_spifi_match, diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index d88bb56c18e2..947410faf9e2 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -287,7 +287,7 @@ struct cfi_private { unsigned long chipshift; /* Because they're of the same type */ const char *im_name; /* inter_module name for cmdset_setup */ unsigned long quirks; - struct flchip chips[]; /* per-chip data structure for each chip */ + struct flchip chips[] __counted_by(numchips); /* per-chip data structure for each chip */ }; uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, diff --git a/include/linux/mtd/qinfo.h b/include/linux/mtd/qinfo.h index 2e3f43788d48..0421f12156b5 100644 --- a/include/linux/mtd/qinfo.h +++ b/include/linux/mtd/qinfo.h @@ -24,7 +24,7 @@ struct lpddr_private { struct qinfo_chip *qinfo; int numchips; unsigned long chipshift; - struct flchip chips[]; + struct flchip chips[] __counted_by(numchips); }; /* qinfo_query_info structure contains request information for |