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linux/drivers/base/regmap
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Qianfeng Rong f4672dc6e9
regmap: use int type to store negative error codes 
Change the 'ret' variable from unsigned int to int to store negative error
codes or zero returned by regmap_field_read() and regmap_read(), and change
'-1' to 'negative errno' in the comments.

Storing the negative error codes in unsigned type, doesn't cause an issue
at runtime but it's ugly as pants. Additionally, assigning negative error
codes to unsigned type may trigger a GCC warning when the -Wsign-conversion
flag is enabled.

No effect on runtime.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Message-ID: <20250828150702.193288-1-rongqianfeng@vivo.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-08-28 17:18:40 +02:00
..
internal.h regmap: Reorder 'struct regmap' 2025-02-03 00:38:32 +00:00
Kconfig regmap: Move selecting for REGMAP_MDIO and REGMAP_IRQ 2025-05-20 10:25:08 +01:00
Makefile regmap: Provide a ram backed regmap with raw support 2023-06-12 14:47:54 +01:00
regcache-flat.c regcache: use map->alloc_flags also for allocating cache 2024-08-28 13:52:29 +01:00
regcache-maple.c regmap: cache: mapple: use kmalloc_array() to replace kmalloc() 2024-12-02 00:31:15 +00:00
regcache-rbtree.c regmap: cache: rbtree: use krealloc_array() to replace krealloc() 2024-12-02 00:31:16 +00:00
regcache.c regcache: Use sort()'s default swap() implementation 2025-04-30 09:38:31 +09:00
regmap-ac97.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-debugfs.c regmap: get rid of redundant debugfs_file_{get,put}() 2025-07-04 13:18:13 +01:00
regmap-fsi.c regmap: Add FSI bus support 2022-11-25 19:17:02 +00:00
regmap-i2c.c regmap-i2c: add missing MODULE_DESCRIPTION() macro 2024-06-14 15:23:14 +01:00
regmap-i3c.c regmap: Drop capitalisation in MODULE_DESCRIPTION() 2024-04-10 22:45:52 +01:00
regmap-irq.c regmap: irq: Avoid lockdep warnings with nested regmap-irq chips 2025-08-01 13:37:07 +01:00
regmap-kunit.c regmap: kunit: Constify regmap_range_cfg array 2025-06-08 23:35:03 +01:00
regmap-mdio.c regmap: Drop capitalisation in MODULE_DESCRIPTION() 2024-04-10 22:45:52 +01:00
regmap-mmio.c regmap: mmio: Add missing MODULE_DESCRIPTION() 2025-08-10 21:09:27 +01:00
regmap-ram.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-raw-ram.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-sccb.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-sdw-mbq.c regmap: sdw-mbq: Add support for SDCA deferred controls 2025-01-07 20:21:00 +00:00
regmap-sdw.c regmap: Drop capitalisation in MODULE_DESCRIPTION() 2024-04-10 22:45:52 +01:00
regmap-slimbus.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-spi-avmm.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-spi.c regmap: spi: Fix potential off-by-one when calculating reserved size 2024-06-05 22:23:52 +01:00
regmap-spmi.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap-w1.c regmap: add missing MODULE_DESCRIPTION() macros 2024-06-24 13:38:40 +01:00
regmap.c regmap: use int type to store negative error codes 2025-08-28 17:18:40 +02:00
trace.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00