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staging: dwc2: add missing shift
This line extracted the available queue space without properly shifting it. Since the code only cared wether it was zero or not, it worked as expected without the shift, but adding shift makes the code cleaner. While we're here, store the result in a helper variable that was already declared to increase readability a bit more. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1020,7 +1020,9 @@ static void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg)
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qh_ptr = hsotg->periodic_sched_assigned.next;
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while (qh_ptr != &hsotg->periodic_sched_assigned) {
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tx_status = readl(hsotg->regs + HPTXSTS);
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if ((tx_status & TXSTS_QSPCAVAIL_MASK) == 0) {
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qspcavail = (tx_status & TXSTS_QSPCAVAIL_MASK) >>
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TXSTS_QSPCAVAIL_SHIFT;
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if (qspcavail == 0) {
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no_queue_space = 1;
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break;
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}
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