Commit 1bbe0a24 authored by Mao Jinlong's avatar Mao Jinlong Committed by Suzuki K Poulose
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coresight: etm4x: Set skip_power_up in etm4_init_arch_data function 



skip_power_up is used in etm4_init_arch_data when set lpoverride. So
need to set the value of it before calling using it.

Fixes: 5214b563 ("coresight: etm4x: Add support for sysreg only devices")
Signed-off-by: default avatarMao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240131105423.9519-1-quic_jinlmao@quicinc.com
parent 8e880414

drivers/hwtracing/coresight/coresight-etm4x-core.c

+5 −5
Original line number Diff line number Diff line
@@ -1196,6 +1196,7 @@ static void etm4_init_arch_data(void *info) 
	struct etm4_init_arg *init_arg = info;

	struct etmv4_drvdata *drvdata;

	struct csdev_access *csa;

	struct device *dev = init_arg->dev;

	int i;



	drvdata = dev_get_drvdata(init_arg->dev);
@@ -1209,6 +1210,10 @@ static void etm4_init_arch_data(void *info) 
	if (!etm4_init_csdev_access(drvdata, csa))

		return;



	if (!csa->io_mem ||

	    fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))

		drvdata->skip_power_up = true;



	/* Detect the support for OS Lock before we actually use it */

	etm_detect_os_lock(drvdata, csa);
@@ -2036,11 +2041,6 @@ static int etm4_add_coresight_dev(struct etm4_init_arg *init_arg) 
	if (!drvdata->arch)

		return -EINVAL;



	/* TRCPDCR is not accessible with system instructions. */

	if (!desc.access.io_mem ||

	    fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))

		drvdata->skip_power_up = true;



	major = ETM_ARCH_MAJOR_VERSION(drvdata->arch);

	minor = ETM_ARCH_MINOR_VERSION(drvdata->arch);