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Commit 4b27bc5f authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "mmc: core: Add a new debugfs entry."

parents c0b89d91 704876da

drivers/mmc/core/debugfs.c

+5 −0
Original line number Diff line number Diff line
@@ -496,6 +496,11 @@ void mmc_add_host_debugfs(struct mmc_host *host) 
		&host->cmdq_thist_enabled))

		goto err_node;



	if (!debugfs_create_bool("crash_on_err",

		0600, root,

		&host->crash_on_err))

		goto err_node;



#ifdef CONFIG_MMC_RING_BUFFER

	if (!debugfs_create_file("ring_buffer", 0400,

				root, host, &mmc_ring_buffer_fops))

drivers/mmc/host/sdhci.c

+3 −0
Original line number Diff line number Diff line
@@ -157,6 +157,9 @@ void sdhci_dumpregs(struct sdhci_host *host) 
		host->ops->dump_vendor_regs(host);

	sdhci_dump_state(host);

	SDHCI_DUMP("============================================\n");

	/* crash the system upon setting this debugfs. */

	if (host->mmc->crash_on_err)

		BUG_ON(1);

}

EXPORT_SYMBOL_GPL(sdhci_dumpregs);

include/linux/mmc/host.h

+1 −0
Original line number Diff line number Diff line
@@ -710,6 +710,7 @@ struct mmc_host { 
	atomic_t rpmb_req_pending;

	struct mutex		rpmb_req_mutex;

	unsigned long		private[0] ____cacheline_aligned;

	bool crash_on_err;  /* crash the system on error */

};



struct device_node;