2023-11-29 19:04:20

by Beniamin Sandu

[permalink] [raw]
Subject: [PATCH] firmware: stratix10-rsu: correctly report unsupported DCMF commands

On older firmware that doesn't support DCMF commands, driver will
otherwise report those as failed to read, instead of unsupported.

Signed-off-by: Beniamin Sandu <[email protected]>
---
drivers/firmware/stratix10-rsu.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/stratix10-rsu.c b/drivers/firmware/stratix10-rsu.c
index 4f7a7abada48..291a14db61c2 100644
--- a/drivers/firmware/stratix10-rsu.c
+++ b/drivers/firmware/stratix10-rsu.c
@@ -235,7 +235,9 @@ static void rsu_dcmf_version_callback(struct stratix10_svc_client *client,
priv->dcmf_version.dcmf1 = FIELD_GET(RSU_DCMF1_MASK, *value1);
priv->dcmf_version.dcmf2 = FIELD_GET(RSU_DCMF2_MASK, *value2);
priv->dcmf_version.dcmf3 = FIELD_GET(RSU_DCMF3_MASK, *value2);
- } else
+ } else if (data->status == BIT(SVC_STATUS_NO_SUPPORT))
+ dev_warn(client->dev, "Secure FW doesn't support DCMF version.")
+ else
dev_err(client->dev, "failed to get DCMF version\n");

complete(&priv->completion);
@@ -264,7 +266,9 @@ static void rsu_dcmf_status_callback(struct stratix10_svc_client *client,
*value);
priv->dcmf_status.dcmf3 = FIELD_GET(RSU_DCMF3_STATUS_MASK,
*value);
- } else
+ } else if (data->status == BIT(SVC_STATUS_NO_SUPPORT))
+ dev_warn(client->dev, "Secure FW doesn't support DCMF status.")
+ else
dev_err(client->dev, "failed to get DCMF status\n");

complete(&priv->completion);
--
2.34.1


2023-11-30 08:35:12

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH] firmware: stratix10-rsu: correctly report unsupported DCMF commands

Hi Beniamin,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.7-rc3 next-20231130]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Beniamin-Sandu/firmware-stratix10-rsu-correctly-report-unsupported-DCMF-commands/20231130-055016
base: linus/master
patch link: https://lore.kernel.org/r/20231129190336.247674-1-beniaminsandu%40gmail.com
patch subject: [PATCH] firmware: stratix10-rsu: correctly report unsupported DCMF commands
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20231130/[email protected]/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231130/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

drivers/firmware/stratix10-rsu.c: In function 'rsu_dcmf_version_callback':
>> drivers/firmware/stratix10-rsu.c:240:9: error: expected ';' before 'else'
240 | else
| ^~~~
drivers/firmware/stratix10-rsu.c: In function 'rsu_dcmf_status_callback':
drivers/firmware/stratix10-rsu.c:271:9: error: expected ';' before 'else'
271 | else
| ^~~~


vim +240 drivers/firmware/stratix10-rsu.c

217
218 /**
219 * rsu_dcmf_version_callback() - Callback from Intel service layer for getting
220 * the DCMF version
221 * @client: pointer to client
222 * @data: pointer to callback data structure
223 *
224 * Callback from Intel service layer for DCMF version number
225 */
226 static void rsu_dcmf_version_callback(struct stratix10_svc_client *client,
227 struct stratix10_svc_cb_data *data)
228 {
229 struct stratix10_rsu_priv *priv = client->priv;
230 unsigned long long *value1 = (unsigned long long *)data->kaddr1;
231 unsigned long long *value2 = (unsigned long long *)data->kaddr2;
232
233 if (data->status == BIT(SVC_STATUS_OK)) {
234 priv->dcmf_version.dcmf0 = FIELD_GET(RSU_DCMF0_MASK, *value1);
235 priv->dcmf_version.dcmf1 = FIELD_GET(RSU_DCMF1_MASK, *value1);
236 priv->dcmf_version.dcmf2 = FIELD_GET(RSU_DCMF2_MASK, *value2);
237 priv->dcmf_version.dcmf3 = FIELD_GET(RSU_DCMF3_MASK, *value2);
238 } else if (data->status == BIT(SVC_STATUS_NO_SUPPORT))
239 dev_warn(client->dev, "Secure FW doesn't support DCMF version.")
> 240 else
241 dev_err(client->dev, "failed to get DCMF version\n");
242
243 complete(&priv->completion);
244 }
245

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki