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Commit e653f0f2 authored by Jinesh K. Jayakumar's avatar Jinesh K. Jayakumar
Browse files

msm: ipa: create debugfs root during pre-init 



Create debugfs root for IPA during driver pre-init since the ethernet
offload subsystem init need to create sub-directories under it.

CRs-Fixed: 2304918
Change-Id: Id2f2e43ae23d0cacb8c4d2bafd219cffbaf50774
Signed-off-by: default avatarJinesh K. Jayakumar <jineshk@codeaurora.org>
parent 1df57774

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

+3 −1
Original line number Diff line number Diff line
@@ -4901,7 +4901,7 @@ static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p, 


	ipa3_register_panic_hdlr();



	ipa3_debugfs_init();

	ipa3_debugfs_post_init();



	mutex_lock(&ipa3_ctx->lock);

	ipa3_ctx->ipa_initialization_complete = true;
@@ -5649,6 +5649,8 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, 
		goto fail_device_create;

	}



	ipa3_debugfs_pre_init();



	/* Create a wakeup source. */

	wakeup_source_init(&ipa3_ctx->w_lock, "IPA_WS");

	spin_lock_init(&ipa3_ctx->wakelock_ref_cnt.spinlock);

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

+16 −7
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2272,16 +2272,24 @@ static const struct ipa3_debugfs_file debugfs_files[] = { 
	}

};



void ipa3_debugfs_init(void)

void ipa3_debugfs_pre_init(void)

{

	dent = debugfs_create_dir("ipa", 0);

	if (IS_ERR_OR_NULL(dent)) {

		IPAERR("fail to create folder in debug_fs.\n");

		dent = NULL;

	}

}



void ipa3_debugfs_post_init(void)

{

	const size_t debugfs_files_num =

		sizeof(debugfs_files) / sizeof(struct ipa3_debugfs_file);

	size_t i;

	struct dentry *file;



	dent = debugfs_create_dir("ipa", 0);

	if (IS_ERR(dent)) {

		IPAERR("fail to create folder in debug_fs.\n");

	if (IS_ERR_OR_NULL(dent)) {

		IPAERR("debugs root not created\n");

		return;

	}
@@ -2358,7 +2366,7 @@ void ipa3_debugfs_init(void) 


void ipa3_debugfs_remove(void)

{

	if (IS_ERR(dent)) {

	if (dent == NULL) {

		IPAERR("Debugfs:folder was not created.\n");

		return;

	}
@@ -2376,6 +2384,7 @@ struct dentry *ipa_debugfs_get_root(void) 
EXPORT_SYMBOL(ipa_debugfs_get_root);



#else /* !CONFIG_DEBUG_FS */

void ipa3_debugfs_init(void) {}

void ipa3_debugfs_pre_init(void) {}

void ipa3_debugfs_post_init(void) {}

void ipa3_debugfs_remove(void) {}

#endif

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

+3 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2434,7 +2434,8 @@ int ipa3_generate_hw_rule(enum ipa_ip_type ip, 
int ipa3_init_hw(void);

struct ipa3_rt_tbl *__ipa3_find_rt_tbl(enum ipa_ip_type ip, const char *name);

int ipa3_set_single_ndp_per_mbim(bool enable);

void ipa3_debugfs_init(void);

void ipa3_debugfs_pre_init(void);

void ipa3_debugfs_post_init(void);

void ipa3_debugfs_remove(void);



void ipa3_dump_buff_internal(void *base, dma_addr_t phy_base, u32 size);