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Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Do not pass retlen to hardware driver read/write functions. Update it in
spi-nor generic driver instead.
Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by Cyrille Pitchen <cyrille.pitchen@atmel.com>
Acked-by: Michal Suchanek <hramrach@gmail.com>
Tested-by: Michal Suchanek <hramrach@gmail.com>
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Add checking of SPI transfer errors and return them from read/write
functions. Also return the amount of data transferred.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Change the return value of spi-nor device read and write methods to
allow returning amount of data transferred and errors as
read(2)/write(2) does.
Also, start handling positive returns in spi_nor_read(), since we want
to convert drivers to start returning the read-length both via *retlen
and the return code. (We don't need to do the same transition process
for spi_nor_write(), since ->write() didn't used to have a return code
at all.)
Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by Cyrille Pitchen <cyrille.pitchen@atmel.com>
Acked-by: Michal Suchanek <hramrach@gmail.com>
Tested-by: Michal Suchanek <hramrach@gmail.com>
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WARNING: drivers/mtd/spi-nor/mtk-quadspi.o(.text+0x77e): Section mismatch in reference from the function mtk_nor_drv_probe() to the function .init.text:mtk_nor_init()
The function mtk_nor_drv_probe() references
the function __init mtk_nor_init().
This is often because mtk_nor_drv_probe lacks a __init
annotation or the annotation of mtk_nor_init is wrong.
Drop the bogus __init from mtk_nor_init() to kill this warning.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Move write data register before excute command to avoid
missing first byte write to nor flash
Signed-off-by: Bayi Cheng <bayi.cheng@mediatek.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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As of commit 807f16d4db95 ("mtd: core: set some defaults when
dev.parent is set"), the MTD core will set this for us.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Bayi Cheng <bayi.cheng@mediatek.com>
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Add spi nor flash driver for mediatek controller
Signed-off-by: Bayi Cheng <bayi.cheng@mediatek.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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