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Commit 9a956773 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "scsi: ufs: Add new debugfs entry to crash on ufs error"

parents 928ffd43 93da75e9

drivers/scsi/ufs/ufs-debugfs.c

+6 −0
Original line number Diff line number Diff line
@@ -1767,6 +1767,12 @@ void ufsdbg_add_debugfs(struct ufs_hba *hba) 
		goto err;

	}



	if (!debugfs_create_bool("crash_on_err",

		0600, hba->debugfs_files.debugfs_root,

		&hba->crash_on_err))

		goto err;





	ufsdbg_setup_fault_injection(hba);



	ufshcd_vops_add_debugfs(hba, hba->debugfs_files.debugfs_root);

drivers/scsi/ufs/ufshcd.c

+5 −0
Original line number Diff line number Diff line
@@ -5130,6 +5130,8 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd) 
		ufshcd_print_pwr_info(hba);

		ufshcd_print_host_regs(hba);

		ufshcd_print_cmd_log(hba);

		if (hba->crash_on_err)

			BUG_ON(1);

	}



	ufshcd_save_tstamp_of_last_dme_cmd(hba);
@@ -7702,6 +7704,9 @@ static int ufshcd_abort(struct scsi_cmnd *cmd) 
		ufshcd_print_host_state(hba);

		ufshcd_print_pwr_info(hba);

		ufshcd_print_trs(hba, 1 << tag, true);

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

		if (hba->crash_on_err)

			BUG_ON(1);

	} else {

		ufshcd_print_trs(hba, 1 << tag, false);

	}

drivers/scsi/ufs/ufshcd.h

+1 −0
Original line number Diff line number Diff line
@@ -813,6 +813,7 @@ struct ufs_hba { 
	void *priv;

	unsigned int irq;

	bool is_irq_enabled;

	bool crash_on_err;



	u32 dev_ref_clk_gating_wait;

	u32 dev_ref_clk_freq;