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@@ -960,7 +960,7 @@ static int spi_transfer_one_message(struct spi_master *master,
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struct spi_transfer *xfer;
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bool keep_cs = false;
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int ret = 0;
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- unsigned long ms = 1;
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+ unsigned long long ms = 1;
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struct spi_statistics *statm = &master->statistics;
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struct spi_statistics *stats = &msg->spi->statistics;
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@@ -991,9 +991,13 @@ static int spi_transfer_one_message(struct spi_master *master,
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if (ret > 0) {
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ret = 0;
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- ms = xfer->len * 8 * 1000 / xfer->speed_hz;
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+ ms = 8LL * 1000LL * xfer->len;
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+ do_div(ms, xfer->speed_hz);
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ms += ms + 100; /* some tolerance */
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+ if (ms > UINT_MAX)
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+ ms = UINT_MAX;
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+
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ms = wait_for_completion_timeout(&master->xfer_completion,
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msecs_to_jiffies(ms));
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}
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@@ -1159,6 +1163,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread)
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if (ret < 0) {
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dev_err(&master->dev, "Failed to power device: %d\n",
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ret);
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+ mutex_unlock(&master->io_mutex);
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return;
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}
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}
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@@ -1174,6 +1179,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread)
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if (master->auto_runtime_pm)
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pm_runtime_put(master->dev.parent);
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+ mutex_unlock(&master->io_mutex);
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return;
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}
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}
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