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Commit 470718bf authored by Venkat Gopalakrishnan's avatar Venkat Gopalakrishnan Committed by Gerrit - the friendly Code Review server
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mmc: sdhci_msm: keep a reference to the sdhc host instance 



Keep a reference to the sdhc host instance to retrieve all the
necessary data structures in case of a crash for debugging.

Change-Id: Ic8d696d53cf48290dbcc92f1567650989dd45755
Signed-off-by: default avatarVenkat Gopalakrishnan <venkatg@codeaurora.org>
parent 85125f66

drivers/mmc/host/sdhci-msm.c

+6 −0
Original line number Diff line number Diff line
@@ -207,6 +207,9 @@ static const u32 tuning_block_128[] = { 
	0xFFFFBBBB, 0xFFFF77FF, 0xFF7777FF, 0xEEDDBB77

};



/* global to hold each slot instance for debug */

static struct sdhci_msm_host *sdhci_slot[2];



static int disable_slots;

/* root can write, others read */

module_param(disable_slots, int, S_IRUGO|S_IWUSR);
@@ -3823,6 +3826,9 @@ static int sdhci_msm_probe(struct platform_device *pdev) 
			goto pltfm_free;

		}



		if (ret <= 2)

			sdhci_slot[ret-1] = msm_host;



		msm_host->pdata = sdhci_msm_populate_pdata(&pdev->dev,

							   msm_host);

		if (!msm_host->pdata) {