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authorBin Meng <bmeng.cn@gmail.com>2021-07-28 18:28:56 +0800
committerBin Meng <bmeng.cn@gmail.com>2021-08-02 15:11:40 +0800
commit4dc82797585d87b61ec7b11bf54f8d302532cd55 (patch)
tree859732c04118c794ef4044b4c10570b77865643b /drivers/timer/tsc_timer.c
parent5371593aed56ee11cbb6cc6ac8d058fcd9b8f58c (diff)
spi: ich: Limit slave->max_read_size
Since commit 43c145b8b3ee ("spi: ich: Correct max-size bug in ich_spi_adjust_size()") (in v2020.04-rc1), SPI flash read no longer works with ICH SPI controller in software sequencer mode. ICH controller can only transfer a small number of bytes at once. Before commit 43c145b8b3ee, the logic happens to make sure data.nbytes is limited to slave->max_write_size but after commit 43c145b8b3ee data.nbytes is no longer limited because slave->max_read_size is not initialized with a valid number. Fixes: 43c145b8b3ee ("spi: ich: Correct max-size bug in ich_spi_adjust_size()") Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/timer/tsc_timer.c')
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