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mtip32xx: minor performance tweak
When checking for command completions if the register value is zero, proceed to next register. Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -970,6 +970,8 @@ static inline void mtip_process_sdbf(struct driver_data *dd)
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/* walk all bits in all slot groups */
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/* walk all bits in all slot groups */
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for (group = 0; group < dd->slot_groups; group++) {
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for (group = 0; group < dd->slot_groups; group++) {
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completed = readl(port->completed[group]);
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completed = readl(port->completed[group]);
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if (!completed)
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continue;
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/* clear completed status register in the hardware.*/
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/* clear completed status register in the hardware.*/
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writel(completed, port->completed[group]);
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writel(completed, port->completed[group]);
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