[PATCH] coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug

[James Clark]

On 27/02/2023 23:54, Steve Clevenger wrote:
> In etm4_enable_hw, fix for() loop range to represent address comparator pairs.
> 
> Signed-off-by: Steve Clevenger <scclevenger at os.amperecomputing.com>
> ---
>  drivers/hwtracing/coresight/coresight-etm4x-core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
> index 1ea8f173cca0..104333c2c8a3 100644
> --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
> +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
> @@ -472,7 +472,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
>  		if (etm4x_sspcicrn_present(drvdata, i))
>  			etm4x_relaxed_write32(csa, config->ss_pe_cmp[i], TRCSSPCICRn(i));
>  	}
> -	for (i = 0; i < drvdata->nr_addr_cmp; i++) {
> +	for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
>  		etm4x_relaxed_write64(csa, config->addr_val[i], TRCACVRn(i));
>  		etm4x_relaxed_write64(csa, config->addr_acc[i], TRCACATRn(i));
>  	}

Reviewed-by: James Clark <james.clark at arm.com>

Are there other ones in coresight-etm3x-sysfs.c:reset_store() and
coresight-etm3x-core.c:etm_enable_hw()? Or is etm3 different?