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Commit bd2deda1 authored by Satyajit Desai's avatar Satyajit Desai
Browse files

coresight-tpdm: Fix for re-programming TPDM 



Fix to disable MCMB TPDM. On reprogramming the TPDM
we do not clear the old configuration for lane enable and
lane trigger.

Change-Id: I3606f0f2c372e29c27db89e2c0363785939c0842
Signed-off-by: default avatarSatyajit Desai <sadesai@codeaurora.org>
parent 75411bc2

drivers/hwtracing/coresight/coresight-tpdm.c

+6 −4
Original line number Diff line number Diff line
@@ -605,9 +605,10 @@ static void __tpdm_enable_mcmb(struct tpdm_drvdata *drvdata) 
	else

		val = val | BIT(1);



	val = val | (BMVAL(mcmb->mcmb_trig_lane, 0, 3) << 18);



	val = val | (mcmb->mcmb_lane_select << 10);

	val = val & ~BM(18, 20);

	val = val | (BMVAL(mcmb->mcmb_trig_lane, 0, 2) << 18);

	val = val & ~BM(10, 17);

	val = val | (BMVAL(mcmb->mcmb_lane_select, 0, 7) << 10);



	tpdm_writel(drvdata, val, TPDM_CMB_CR);

	/* Set the enable bit */
@@ -710,7 +711,8 @@ static void __tpdm_disable(struct tpdm_drvdata *drvdata) 
	if (test_bit(TPDM_DS_DSB, drvdata->enable_ds))

		__tpdm_disable_dsb(drvdata);



	if (test_bit(TPDM_DS_CMB, drvdata->enable_ds))

	if (test_bit(TPDM_DS_CMB, drvdata->enable_ds) ||

		test_bit(TPDM_DS_MCMB, drvdata->enable_ds))

		__tpdm_disable_cmb(drvdata);



	if (drvdata->clk_enable)