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Commit 097ca40f authored by Mohammed Javid's avatar Mohammed Javid
Browse files

msm: ipa: Fix to use GFP_DMA flag 



IPAv2 hardware works with 32 bit addressing,
so allocate a kernel memory using GFP_DMA flag
which is processed by IPA hardware.

Change-Id: I6f35e7f2179dc48f718221f6a3d228aca67c4154
Acked-by: default avatarAshok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: default avatarMohammed Javid <mjavid@codeaurora.org>
parent 7e3149cb

drivers/platform/msm/ipa/ipa_v2/ipa.c

+3 −2
Original line number Diff line number Diff line
@@ -1999,6 +1999,7 @@ static int ipa_q6_set_ex_path_dis_agg(void) 
	int index;

	struct ipa_register_write *reg_write;

	int retval;

	gfp_t flag = GFP_KERNEL | (ipa_ctx->use_dma_zone ? GFP_DMA : 0);



	desc = kcalloc(ipa_ctx->ipa_num_pipes, sizeof(struct ipa_desc),

			GFP_KERNEL);
@@ -2016,7 +2017,7 @@ static int ipa_q6_set_ex_path_dis_agg(void) 
		if (ipa_ctx->ep[ep_idx].valid &&

			ipa_ctx->ep[ep_idx].skip_ep_cfg) {

			BUG_ON(num_descs >= ipa_ctx->ipa_num_pipes);

			reg_write = kzalloc(sizeof(*reg_write), GFP_KERNEL);

			reg_write = kzalloc(sizeof(*reg_write), flag);



			if (!reg_write) {

				IPAERR("failed to allocate memory\n");
@@ -2049,7 +2050,7 @@ static int ipa_q6_set_ex_path_dis_agg(void) 
			continue;

		if (IPA_CLIENT_IS_Q6_NON_ZIP_CONS(client_idx) ||

			IPA_CLIENT_IS_Q6_ZIP_CONS(client_idx)) {

			reg_write = kzalloc(sizeof(*reg_write), GFP_KERNEL);

			reg_write = kzalloc(sizeof(*reg_write), flag);



			if (!reg_write) {

				IPAERR("failed to allocate memory\n");

drivers/platform/msm/ipa/ipa_v2/ipa_utils.c

+4 −4
Original line number Diff line number Diff line
@@ -4472,7 +4472,7 @@ int ipa_tag_process(struct ipa_desc desc[], 
	}



	/* IP_PACKET_INIT IC for tag status to be sent to apps */

	pkt_init = kzalloc(sizeof(*pkt_init), GFP_KERNEL);

	pkt_init = kzalloc(sizeof(*pkt_init), flag);

	if (!pkt_init) {

		IPAERR("failed to allocate memory\n");

		res = -ENOMEM;
@@ -4491,7 +4491,7 @@ int ipa_tag_process(struct ipa_desc desc[], 
	desc_idx++;



	/* NO-OP IC for ensuring that IPA pipeline is empty */

	reg_write_nop = kzalloc(sizeof(*reg_write_nop), GFP_KERNEL);

	reg_write_nop = kzalloc(sizeof(*reg_write_nop), flag);

	if (!reg_write_nop) {

		IPAERR("no mem\n");

		res = -ENOMEM;
@@ -4510,7 +4510,7 @@ int ipa_tag_process(struct ipa_desc desc[], 
	desc_idx++;



	/* status IC */

	status = kzalloc(sizeof(*status), GFP_KERNEL);

	status = kzalloc(sizeof(*status), flag);

	if (!status) {

		IPAERR("no mem\n");

		res = -ENOMEM;
@@ -4546,7 +4546,7 @@ int ipa_tag_process(struct ipa_desc desc[], 
	atomic_set(&comp->cnt, 2);



	/* dummy packet to send to IPA. packet payload is a completion object */

	dummy_skb = alloc_skb(sizeof(comp), GFP_KERNEL);

	dummy_skb = alloc_skb(sizeof(comp), flag);

	if (!dummy_skb) {

		IPAERR("failed to allocate memory\n");

		res = -ENOMEM;