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authorBin Meng <bmeng.cn@gmail.com>2021-09-27 15:21:23 +0800
committerAlistair Francis <alistair.francis@wdc.com>2021-10-07 08:41:33 +1000
commitb7af62ae2ca4a5f36a36d98e37d59e96fb3f8ef5 (patch)
tree047c1e4cf7ff7c4942f13d758a32902f0ef380f8 /.editorconfig
parent31ca70b5ff7c6ac600211f60e3ab024642fe5abb (diff)
hw/dma: sifive_pdma: Fix Control.claim bit detection
At present the codes detect whether the DMA channel is claimed by: claimed = !!s->chan[ch].control & CONTROL_CLAIM; As ! has higher precedence over & (bitwise and), this is essentially claimed = (!!s->chan[ch].control) & CONTROL_CLAIM; which is wrong, as any non-zero bit set in the control register will produce a result of a claimed channel. Fixes: de7c7988d25d ("hw/dma: sifive_pdma: reset Next* registers when Control.claim is set") Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210927072124.1564129-1-bmeng.cn@gmail.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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