Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 94386db8 authored by Praveen Kurapati's avatar Praveen Kurapati
Browse files

msm: ipa3: Add proper checks for low lat pipe and 32-bit specific 



For some targets lowlat support is not present.
Add changes to check if low lat support is present
or not. Also for 32-bit targets observed count shift error.
Added proper checks to overcome the issue.

Change-Id: Iab3b7d460b48ce8ff4e98da297eb2e7b69e3db13
Signed-off-by: default avatarPraveen Kurapati <pkurapat@codeaurora.org>
parent 68c091ef

drivers/platform/msm/gsi/gsi_dbg.c

+3 −2
Original line number Diff line number Diff line
@@ -681,8 +681,9 @@ static ssize_t gsi_read_gsi_hw_profiling_stats(struct file *file, 
		totalCycles = stats.mcs_busy_cnt + stats.mcs_idle_cnt +

			stats.bp_and_pending_cnt;

		if (totalCycles != 0)

			util = (100 * (stats.mcs_busy_cnt + stats.bp_and_pending_cnt)) /

			totalCycles;

			util = div_u64(

				100 * (stats.mcs_busy_cnt + stats.bp_and_pending_cnt),

				totalCycles);

		else

			util = 0;

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

+8 −5
Original line number Diff line number Diff line
@@ -7629,13 +7629,16 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, 
			goto fail_wwan_init;

		}



		if (ipa3_ctx->rmnet_ctl_enable) {

			result = ipa3_rmnet_ctl_init();

			if (result) {

			IPAERR(":ipa3_rmnet_ctl_init err=%d\n", -result);

				IPAERR(":ipa3_rmnet_ctl_init err=%d\n",

					-result);

				result = -ENODEV;

				goto fail_rmnet_ctl_init;

			}

		}

	}

	mutex_init(&ipa3_ctx->app_clock_vote.mutex);



	return 0;

drivers/platform/msm/ipa/ipa_v3/ipa_wdi3_i.c

+1 −1
Original line number Diff line number Diff line
@@ -484,7 +484,7 @@ static int ipa3_wdi_gsi_db(phys_addr_t* db_addr, struct ipa3_ep_context *ep_ctx) 
	/* write channel scratch */

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

	gsi_ch_scratch.wdi3.db_addr_wp_lsb = (u32)mem.phys_base;

	gsi_ch_scratch.wdi3.db_addr_wp_msb = (u32)(mem.phys_base >> 32);

	gsi_ch_scratch.wdi3.db_addr_wp_msb = (u32)((mem.phys_base & 0xFFFFFFFF00000000) >> 32);

	IPADBG("gsi written lsb value  0x%x\n", gsi_ch_scratch.wdi3.db_addr_wp_lsb);

	IPADBG("gsi written msb value  0x%x\n", gsi_ch_scratch.wdi3.db_addr_wp_msb);

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

+5 −3
Original line number Diff line number Diff line
@@ -2755,9 +2755,11 @@ static int ipa3_wwan_remove(struct platform_device *pdev) 


	IPAWANINFO("rmnet_ipa started deinitialization\n");

	mutex_lock(&rmnet_ipa3_ctx->pipe_handle_guard);

	if (ipa3_ctx->rmnet_ctl_enable) {

		ret = ipa3_teardown_apps_low_lat_pipes();

		if (ret < 0)

			IPAWANERR("Failed to teardown IPA->APPS qmap pipe\n");

	}

	ret = ipa3_teardown_sys_pipe(rmnet_ipa3_ctx->ipa3_to_apps_hdl);

	if (ret < 0)

		IPAWANERR("Failed to teardown IPA->APPS pipe\n");