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Commit fef55ac3 authored by Mohammed Siddiq's avatar Mohammed Siddiq
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cnss2: Add delay for pci link training retries 



Add delay for pci link training retries during pci resume
done for pci link recovery.

Change-Id: Idb32ec833dbf5828afecaafb7197c3f40529a839
Signed-off-by: default avatarMohammed Siddiq <msiddiq@codeaurora.org>
parent 402c8854

drivers/net/wireless/cnss2/pci.c

+3 −0
Original line number Diff line number Diff line
@@ -73,6 +73,7 @@ static DEFINE_SPINLOCK(time_sync_lock); 
#define POWER_ON_RETRY_DELAY_MS			200



#define LINK_TRAINING_RETRY_MAX_TIMES		3

#define LINK_TRAINING_RETRY_DELAY_MS		500



#define HANG_DATA_LENGTH		384

#define HST_HANG_DATA_OFFSET		((3 * 1024 * 1024) - HANG_DATA_LENGTH)
@@ -679,6 +680,8 @@ static int cnss_set_pci_link(struct cnss_pci_data *pci_priv, bool link_up) 
			    link_up ? "resume" : "suspend", ret);

		if (link_up && retry++ < LINK_TRAINING_RETRY_MAX_TIMES) {

			cnss_pr_dbg("Retry PCI link training #%d\n", retry);

			if (pci_priv->pci_link_down_ind)

				msleep(LINK_TRAINING_RETRY_DELAY_MS * retry);

			goto retry;

		}

	}