ice: delay less
[ Upstream commit 88bb432a55
]
Shorten the delay for SQ responses, but increase the number of loops.
Max delay time is unchanged, but some operations complete much more
quickly.
In the process, add a new define to make the delay count and delay time
more explicit. Add comments to make things more explicit.
This fixes a problem with VF resets failing on with many VFs.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
parent
571f8b20d2
commit
50786d47f2
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@ -948,7 +948,7 @@ ice_sq_send_cmd(struct ice_hw *hw, struct ice_ctl_q_info *cq,
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if (ice_sq_done(hw, cq))
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break;
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mdelay(1);
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udelay(ICE_CTL_Q_SQ_CMD_USEC);
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total_delay++;
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} while (total_delay < cq->sq_cmd_timeout);
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@ -31,8 +31,9 @@ enum ice_ctl_q {
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ICE_CTL_Q_MAILBOX,
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};
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/* Control Queue default settings */
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#define ICE_CTL_Q_SQ_CMD_TIMEOUT 250 /* msecs */
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/* Control Queue timeout settings - max delay 250ms */
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#define ICE_CTL_Q_SQ_CMD_TIMEOUT 2500 /* Count 2500 times */
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#define ICE_CTL_Q_SQ_CMD_USEC 100 /* Check every 100usec */
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struct ice_ctl_q_ring {
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void *dma_head; /* Virtual address to DMA head */
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