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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(82310400026)(376014)(1800799024)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2025 15:56:27.8168 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2280706d-40fe-402c-47aa-08dda76e31b4 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A102.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB7860 When CONFIG_MODULES is not defined, 'adap->owner->name' used in amd_isp4 platform driver will not be valid and is resulting in build failures. ../drivers/platform/x86/amd/amd_isp4.c: In function 'is_isp_i2c_adapter': ../drivers/platform/x86/amd/amd_isp4.c:154:35: error: invalid use of undefined type 'struct module' 154 | return !strcmp(adap->owner->name, "i2c_designware_amdisp"); | ^~ To fix this issue, need to make changes both in platform and i2c driver modules. * In the amd_isp4 x86/platform driver, replace 'adap->owner->name' with 'adap->name', this removes the hard dependency on 'struct module'. * In i2c amdisp driver, initialize unique name to i2c adapter and also make a change in i2c-designware-common to avoid overwriting with generic name when adap->name[] is already set. --- Changes v3 -> v4: * Update MAINTAINERS file with the new isp4_misc.h added * Fix typo error Changes v2 -> v3: * Update commit text for patch 1/3 Changes v1 -> v2: * Replace snprintf with scnprintf * Add new isp4 specific misc header file to include the adapter name * Remove 'Fixes' and 'Link' tags from i2c patches --- Pratap Nirujogi (3): i2c: designware: Initialize adapter name only when not set i2c: amd-isp: Initialize unique adapter name platform/x86: Use i2c adapter name to fix build errors MAINTAINERS | 1 + drivers/i2c/busses/i2c-designware-amdisp.c | 2 ++ drivers/i2c/busses/i2c-designware-master.c | 5 +++-- drivers/platform/x86/amd/amd_isp4.c | 3 ++- include/linux/soc/amd/isp4_misc.h | 12 ++++++++++++ 5 files changed, 20 insertions(+), 3 deletions(-) create mode 100644 include/linux/soc/amd/isp4_misc.h