Always wait 'command done' interrupt status bit before proceeding next command.
Sponsored by: DARPA, AFRL
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4799d48568
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fdbf76c383
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=272736
@ -348,9 +348,10 @@ dwmmc_tasklet(struct dwmmc_softc *sc)
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if (cmd == NULL)
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return;
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if (cmd->error != MMC_ERR_NONE) {
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dwmmc_next_operation(sc);
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} else if (!cmd->data && sc->cmd_done) {
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if (!sc->cmd_done)
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return;
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if (cmd->error != MMC_ERR_NONE || !cmd->data) {
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dwmmc_next_operation(sc);
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} else if (cmd->data && sc->dto_rcvd) {
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if ((cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK ||
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@ -394,11 +395,8 @@ dwmmc_intr(void *arg)
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dprintf("data err 0x%08x cmd 0x%08x\n",
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reg, cmd->opcode);
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cmd->error = MMC_ERR_FAILED;
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dma_done(sc, cmd);
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dma_stop(sc);
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DWMMC_UNLOCK(sc);
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return;
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}
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if (reg & SDMMC_INTMASK_CMD_DONE) {
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