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Commit 27a9992e authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
Browse files

Merge "msm: ipa4: Dump IPA registers during panic handling"

parents 88a2cdc6 818c2911

drivers/platform/msm/ipa/ipa_v3/ipa.c

+4 −1
Original line number Diff line number Diff line
@@ -374,7 +374,7 @@ static int ipa3_active_clients_panic_notifier(struct notifier_block *this, 
{

	ipa3_active_clients_log_print_table(active_clients_table_buf,

			IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE);

	IPAERR("%s", active_clients_table_buf);

	IPAERR("%s\n", active_clients_table_buf);



	return NOTIFY_DONE;

}
@@ -4273,6 +4273,9 @@ static int ipa3_panic_notifier(struct notifier_block *this, 
	if (res)

		IPAERR("uC panic handler failed %d\n", res);



	if (atomic_read(&ipa3_ctx->ipa3_active_clients.cnt) != 0)

		ipahal_print_all_regs();



	return NOTIFY_DONE;

}

drivers/platform/msm/ipa/ipa_v3/ipa_debugfs.c

+14 −0
Original line number Diff line number Diff line
@@ -1889,6 +1889,16 @@ static ssize_t ipa3_pm_ex_read_stats(struct file *file, char __user *ubuf, 
	return simple_read_from_buffer(ubuf, count, ppos, dbg_buff, cnt);

}



static ssize_t ipa3_read_ipahal_regs(struct file *file, char __user *ubuf,

		size_t count, loff_t *ppos)

{

	IPA_ACTIVE_CLIENTS_INC_SIMPLE();

	ipahal_print_all_regs();

	IPA_ACTIVE_CLIENTS_DEC_SIMPLE();



	return 0;

}



static void ipa_dump_status(struct ipahal_pkt_status *status)

{

	IPA_DUMP_STATUS_FIELD(status_opcode);
@@ -2155,6 +2165,10 @@ static const struct ipa3_debugfs_file debugfs_files[] = { 
		"enable_low_prio_print", IPA_WRITE_ONLY_MODE, NULL, {

			.write = ipa3_enable_ipc_low,

		}

	}, {

		"ipa_dump_regs", IPA_READ_ONLY_MODE, NULL, {

			.read = ipa3_read_ipahal_regs,

		}

	}

};

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+1 −0
Original line number Diff line number Diff line
@@ -2133,6 +2133,7 @@ int __ipa3_release_hdr(u32 hdr_hdl); 
int __ipa3_release_hdr_proc_ctx(u32 proc_ctx_hdl);

int _ipa_read_ep_reg_v3_0(char *buf, int max_len, int pipe);

int _ipa_read_ep_reg_v4_0(char *buf, int max_len, int pipe);

int _ipa_read_ipahal_regs(void);

void _ipa_enable_clks_v3_0(void);

void _ipa_disable_clks_v3_0(void);

struct device *ipa3_get_dma_dev(void);

drivers/platform/msm/ipa/ipa_v3/ipahal/ipahal_i.h

+9 −0
Original line number Diff line number Diff line
@@ -46,6 +46,15 @@ 
			IPAHAL_DRV_NAME " %s:%d " fmt, ## args); \

	} while (0)



#define IPAHAL_DBG_REG(fmt, args...) \

	do { \

		pr_err(fmt, ## args); \

		IPA_IPC_LOGGING(ipa_get_ipc_logbuf(), \

			" %s:%d " fmt, ## args); \

		IPA_IPC_LOGGING(ipa_get_ipc_logbuf_low(), \

			" %s:%d " fmt, ## args); \

	} while (0)



#define IPAHAL_ERR_RL(fmt, args...) \

		do { \

			pr_err_ratelimited_ipa(IPAHAL_DRV_NAME " %s:%d " fmt, \

drivers/platform/msm/ipa/ipa_v3/ipahal/ipahal_reg.c

+330 −118

File changed.

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