evie/android_kernel_oneplus_msm8998
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mmc: sdhci_msm: keep a reference to the sdhc host instance

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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: Venkat Gopalakrishnan <venkatg@codeaurora.org>
This commit is contained in:
Venkat Gopalakrishnan 2015-09-30 18:46:18 -07:00 • committed by Subhash Jadavani
parent 38c20819fc
commit 4c7ffe38b3
1 changed files with 6 additions and 0 deletions
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6
drivers/mmc/host/sdhci-msm.c
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@ -212,6 +212,9 @@ 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);
@ -3852,6 +3855,9 @@ 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) {