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Commit 84099693 authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: ipa: disable prefetch for MHI 



MHI might be configured to MBIM aggregation.
For this to work TX prefetch needs to be disabled.

Change-Id: I52510f3a7fbe90d5a472703363136e6e909d301c
Acked-by: default avatarAdy Abraham <adya@qti.qualcomm.com>
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent af3795d2

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

+6 −1
Original line number Original line Diff line number Diff line
@@ -4535,13 +4535,18 @@ static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p, 




	/*

	/*

	 * IPAv3.5 and above requires to disable prefetch for USB in order

	 * IPAv3.5 and above requires to disable prefetch for USB in order

	 * to allow MBIM to work, currently MBIM is not needed in MHI mode.

	 * to allow MBIM to work.

	 */

	 */

	if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5

	if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5

		&& ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) &&

		&& ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) &&

		(!ipa3_ctx->ipa_config_is_mhi))

		(!ipa3_ctx->ipa_config_is_mhi))

		ipa3_disable_prefetch(IPA_CLIENT_USB_CONS);

		ipa3_disable_prefetch(IPA_CLIENT_USB_CONS);





	if ((ipa3_ctx->ipa_hw_type >= IPA_HW_v3_5

		&& ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) &&

		(ipa3_ctx->ipa_config_is_mhi))

		ipa3_disable_prefetch(IPA_CLIENT_MHI_CONS);



	memset(&gsi_props, 0, sizeof(gsi_props));

	memset(&gsi_props, 0, sizeof(gsi_props));

	gsi_props.ver = ipa3_get_gsi_ver(resource_p->ipa_hw_type);

	gsi_props.ver = ipa3_get_gsi_ver(resource_p->ipa_hw_type);

	gsi_props.ee = resource_p->ee;

	gsi_props.ee = resource_p->ee;