platform/x86: int1092: Fix non sequential device mode handling

SAR information from BIOS may come in non sequential pattern.

To overcome the issue, a check is made to extract the right SAR
information using the device mode which is currently being used.

Remove .owner field if calls are used which set it automatically.
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci

Signed-off-by: Shravan S <s.shravan@intel.com>
Link: https://lore.kernel.org/r/20211006073525.1332925-1-s.shravan@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index 7041c6591a53f60ff2481b20005d2da8b3cbb4c1..6d61359150738fd5a2dc8d7000d8fbd695c349c0 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9302,7 +9302,7 @@ S:        Maintained
 F:     drivers/platform/x86/intel/atomisp2/led.c
 
 INTEL BIOS SAR INT1092 DRIVER
-M:     Shravan S <s.shravan@intel.com>
+M:     Shravan Sudhakar <s.shravan@intel.com>
 M:     Intel Corporation <linuxwwan@intel.com>
 L:     platform-driver-x86@vger.kernel.org
 S:     Maintained

diff --git a/drivers/platform/x86/intel/int1092/intel_sar.c b/drivers/platform/x86/intel/int1092/intel_sar.c
index 379560fe5df96db2fad30d809e2d94db6730e75d..e03943e6380a6dfec2438c379d27674f0d69293b 100644 (file)
--- a/drivers/platform/x86/intel/int1092/intel_sar.c
+++ b/drivers/platform/x86/intel/int1092/intel_sar.c
@@ -42,12 +42,20 @@ static void update_sar_data(struct wwan_sar_context *context)
 
        if (config->device_mode_info &&
            context->sar_data.device_mode < config->total_dev_mode) {
-               struct wwan_device_mode_info *dev_mode =
-                       &config->device_mode_info[context->sar_data.device_mode];
-
-               context->sar_data.antennatable_index = dev_mode->antennatable_index;
-               context->sar_data.bandtable_index = dev_mode->bandtable_index;
-               context->sar_data.sartable_index = dev_mode->sartable_index;
+               int itr = 0;
+
+               for (itr = 0; itr < config->total_dev_mode; itr++) {
+                       if (context->sar_data.device_mode ==
+                               config->device_mode_info[itr].device_mode) {
+                               struct wwan_device_mode_info *dev_mode =
+                               &config->device_mode_info[itr];
+
+                               context->sar_data.antennatable_index = dev_mode->antennatable_index;
+                               context->sar_data.bandtable_index = dev_mode->bandtable_index;
+                               context->sar_data.sartable_index = dev_mode->sartable_index;
+                               break;
+                       }
+               }
        }
 }
 
@@ -305,7 +313,6 @@ static struct platform_driver sar_driver = {
        .remove = sar_remove,
        .driver = {
                .name = DRVNAME,
-               .owner = THIS_MODULE,
                .acpi_match_table = ACPI_PTR(sar_device_ids)
        }
 };
@@ -313,4 +320,4 @@ module_platform_driver(sar_driver);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Platform device driver for INTEL MODEM BIOS SAR");
-MODULE_AUTHOR("Shravan S <s.shravan@intel.com>");
+MODULE_AUTHOR("Shravan Sudhakar <s.shravan@intel.com>");