lkml.org 
[lkml]   [2019]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCHv6 6/6] coresight: debug: Add Unique Component Identifier (UCI) table
From
Date


On 31/01/2019 14:22, Sai Prakash Ranjan wrote:
> Add UCI table for coresight CPU debug module. This patch adds
> the UCI entries for Kryo CPUs found on MSM8996 which shares
> the same PIDs as ETMs.
>
> Without this, below error is observed on MSM8996:

nit: Subject doesn't match the patch contents. You could simply say :

coresight: cpu-debug: Add support for Qualcomm Kryo


>
> [ 5.429867] OF: graph: no port node found in /soc/debug@3810000
> [ 5.429938] coresight-etm4x: probe of 3810000.debug failed with error -22
> [ 5.435415] coresight-cpu-debug 3810000.debug: Coresight debug-CPU0 initialized
> [ 5.446474] OF: graph: no port node found in /soc/debug@3910000
> [ 5.448927] coresight-etm4x: probe of 3910000.debug failed with error -22
> [ 5.454681] coresight-cpu-debug 3910000.debug: Coresight debug-CPU1 initialized
> [ 5.487765] OF: graph: no port node found in /soc/debug@3a10000
> [ 5.488007] coresight-etm4x: probe of 3a10000.debug failed with error -22
> [ 5.493024] coresight-cpu-debug 3a10000.debug: Coresight debug-CPU2 initialized
> [ 5.501802] OF: graph: no port node found in /soc/debug@3b10000
> [ 5.512901] coresight-etm4x: probe of 3b10000.debug failed with error -22
> [ 5.513192] coresight-cpu-debug 3b10000.debug: Coresight debug-CPU3 initialized
>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
>
> ---
> For testing, all dependent patches are in below tree:
> * https://github.com/saiprakash-ranjan/linux/tree/coresight-next
>
> This patch depends on UCI support by Mike Leach in below link:
> * https://lore.kernel.org/lkml/20190130234051.2294-1-mike.leach@linaro.org/
> ---
> .../hwtracing/coresight/coresight-cpu-debug.c | 33 +++++++++----------
> 1 file changed, 16 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c
> index e8819d750938..915d86a39cee 100644
> --- a/drivers/hwtracing/coresight/coresight-cpu-debug.c
> +++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c
> @@ -655,24 +655,23 @@ static int debug_remove(struct amba_device *adev)
> return 0;
> }
>
> +static struct amba_cs_uci_id uci_id_debug[] = {

As Stephen mentioned, this must be "const".

Rest looks fine.

Suzuki

\
 
 \ /
  Last update: 2019-01-31 19:02    [W:0.084 / U:13.304 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site