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| author | Rob Herring (Arm) <robh@kernel.org> | 2026-08-31 14:43:51 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2026-09-13 18:17:31 -0700 |
| commit | 55fc280e951ab2b39f3dcb640edc1b1eebc6d173 (patch) | |
| tree | f0b5f37b42fc13b9908a31b657c646b024231cdd /drivers/mtd/sm_ftl.h | |
| download | linux-stable-55fc280e951ab2b39f3dcb640edc1b1eebc6d173.tar.gz linux-stable-55fc280e951ab2b39f3dcb640edc1b1eebc6d173.zip | |
Input: tsc2007 - read "ti,poll-period" as u32grafted
The "ti,poll-period" property is documented as a normal uint32 cell.
The driver used a u64 helper, which makes the helper type disagree with
the schema even though the stored value is still small.
Read "ti,poll-period" with the u32 helper matching the documented DT
cell size.
Assisted-by: Codex:gpt-5-5
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260831194352.1185860-1-robh@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/mtd/sm_ftl.h')
| -rw-r--r-- | drivers/mtd/sm_ftl.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/mtd/sm_ftl.h b/drivers/mtd/sm_ftl.h new file mode 100644 index 000000000..1a1a54ce8 --- /dev/null +++ b/drivers/mtd/sm_ftl.h @@ -0,0 +1,87 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright © 2009 - Maxim Levitsky + * SmartMedia/xD translation layer + * + * Based loosly on ssfdc.c which is + * © 2005 Eptar srl + * Author: Claudio Lanconelli <lanconelli.claudio@eptar.com> + */ + +#include <linux/mtd/blktrans.h> +#include <linux/kfifo.h> +#include <linux/sched.h> +#include <linux/completion.h> +#include <linux/mtd/mtd.h> + + + +struct ftl_zone { + bool initialized; + int16_t *lba_to_phys_table; /* LBA to physical table */ + struct kfifo free_sectors; /* queue of free sectors */ +}; + +struct sm_ftl { + struct mtd_blktrans_dev *trans; + + struct mutex mutex; /* protects the structure */ + struct ftl_zone *zones; /* FTL tables for each zone */ + + /* Media information */ + int block_size; /* block size in bytes */ + int zone_size; /* zone size in blocks */ + int zone_count; /* number of zones */ + int max_lba; /* maximum lba in a zone */ + int smallpagenand; /* 256 bytes/page nand */ + bool readonly; /* is FS readonly */ + bool unstable; + int cis_block; /* CIS block location */ + int cis_boffset; /* CIS offset in the block */ + int cis_page_offset; /* CIS offset in the page */ + + /* Cache */ + int cache_block; /* block number of cached block */ + int cache_zone; /* zone of cached block */ + unsigned char *cache_data; /* cached block data */ + long unsigned int cache_data_invalid_bitmap; + bool cache_clean; + struct work_struct flush_work; + struct timer_list timer; + + /* Geometry stuff */ + int heads; + int sectors; + int cylinders; + + struct attribute_group *disk_attributes; + u8 cis_buffer[]; /* tmp buffer for cis reads */ +}; + +struct chs_entry { + unsigned long size; + unsigned short cyl; + unsigned char head; + unsigned char sec; +}; + + +#define SM_FTL_PARTN_BITS 3 + +#define sm_printk(format, ...) \ + printk(KERN_WARNING "sm_ftl" ": " format "\n", ## __VA_ARGS__) + +#define dbg(format, ...) \ + if (debug) \ + printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__) + +#define dbg_verbose(format, ...) \ + if (debug > 1) \ + printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__) + + +static int sm_erase_block(struct sm_ftl *ftl, int zone_num, uint16_t block, + int put_free); +static void sm_mark_block_bad(struct sm_ftl *ftl, int zone_num, int block); + +static int sm_recheck_media(struct sm_ftl *ftl); |
