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authorWeijie Gao <weijie.gao@mediatek.com>2019-09-25 17:45:25 +0800
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>2019-10-25 17:20:44 +0200
commit43405e009be86436affdf355f1e0549bdb6c9b9b (patch)
treece8879707b9d209faa9aa83641eb41d4b3756293 /configs/at91sam9g10ek_dataflash_cs0_defconfig
parent54a6b8e793dd8baf1621cd0c5d6eeeaa542bb329 (diff)
spi: mt7621-spi: restore default register value after each xfer
Currently this driver uses a different way to implement the spi xfer, by modifying some fields of two registers, which is incompatible with the MTK's original SDK linux driver. This will cause the flash data being damaged by the SDK driver. This patch lets the mt7621_spi_set_cs() restore the original register fields after cs deactivated. Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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