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Commit 0c2d6dd7 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: ipa: ZLT issue workaround"

parents 925c467b 95644cdf

drivers/platform/msm/ipa/ipa_client.c

+5 −1
Original line number Diff line number Diff line
@@ -256,6 +256,10 @@ int ipa_connect(const struct ipa_connect_params *in, struct ipa_sps_params *sps, 
	IPADBG("Data FIFO pa=0x%x, size=%d\n", ep->connect.data.phys_base,

	       ep->connect.data.size);



	if (ipa_ctx->ipa_hw_type == IPA_HW_v2_0 &&

					IPA_CLIENT_IS_USB_CONS(in->client))

		ep->connect.event_thresh = IPA_USB_EVENT_THRESHOLD;

	else

		ep->connect.event_thresh = IPA_EVENT_THRESHOLD;

	ep->connect.options = SPS_O_AUTO_ENABLE;    /* BAM-to-BAM */

drivers/platform/msm/ipa/ipa_i.h

+7 −0
Original line number Diff line number Diff line
@@ -129,6 +129,13 @@ 


#define IPA_EVENT_THRESHOLD 0x10



/*

 * Due to ZLT issue with USB 3.0 core, IPA BAM threashold need to be set

 * to max packet size + 1. After setting the threshold, USB core

 * will not be notified on ZLTs

 */

#define IPA_USB_EVENT_THRESHOLD 0x4001



#define IPA_RX_POOL_CEIL 32

#define IPA_RX_SKB_SIZE 1792

include/uapi/linux/msm_ipa.h

+6 −0
Original line number Diff line number Diff line
@@ -156,6 +156,12 @@ enum ipa_client_type { 
	IPA_CLIENT_MAX,

};



#define IPA_CLIENT_IS_USB_CONS(client) \

	((client) == IPA_CLIENT_USB_CONS || \

	(client) == IPA_CLIENT_USB2_CONS || \

	(client) == IPA_CLIENT_USB3_CONS || \

	(client) == IPA_CLIENT_USB4_CONS)



/**

 * enum ipa_ip_type - Address family: IPv4 or IPv6

 */