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misc: at24: replace memory_accessor with nvmem_device_read

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Now that the AT24 uses the NVMEM framework, replace the
memory_accessor in the setup() callback with nvmem API calls.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrew Lunn 2016-02-26 20:59:24 +01:00 • committed by Greg Kroah-Hartman
parent 1c4b6e2c75
commit bec3c11bad
6 changed files with 13 additions and 52 deletions
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11
include/linux/memory.h
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@ -136,17 +136,6 @@ extern struct memory_block *find_memory_block(struct mem_section *);
#define unregister_hotmemory_notifier(nb) ({ (void)(nb); })
#endif
/*
* 'struct memory_accessor' is a generic interface to provide
* in-kernel access to persistent memory such as i2c or SPI EEPROMs
*/
struct memory_accessor {
ssize_t (*read)(struct memory_accessor *, char *buf, off_t offset,
size_t count);
ssize_t (*write)(struct memory_accessor *, const char *buf,
off_t offset, size_t count);
};
/*
* Kernel text modification mutex, used for code patching. Users of this lock
* can sleep.