linux-kernel - [PATCH v1] mod_devicetable: Bump auxiliary_device

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Message-Id: <20251031190234.224813-1-raag.jadav@intel.com>
Date: Sat,  1 Nov 2025 00:32:34 +0530
From: Raag Jadav <raag.jadav@...el.com>
To: kees@...nel.org,
	broonie@...nel.org,
	gregkh@...uxfoundation.org,
	arnd@...db.de,
	andriy.shevchenko@...ux.intel.com
Cc: linux-kernel@...r.kernel.org,
	Raag Jadav <raag.jadav@...el.com>
Subject: [PATCH v1] mod_devicetable: Bump auxiliary_device_id name size

Since auxiliary device id string is formed using the combination of parent
and child device names, it may require more than 32 bytes if both the names
are long enough. Bump the size to 40 bytes to satisfy such cases.

Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Raag Jadav <raag.jadav@...el.com>
---
Triggered by [1].

[1] https://lore.kernel.org/r/aQSwWLVKH_3TthTW@smile.fi.intel.com

 include/linux/mod_devicetable.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 6077972e8b45..24eb5a88a5c5 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -867,7 +867,7 @@ struct mhi_device_id {
 	kernel_ulong_t driver_data;
 };
 
-#define AUXILIARY_NAME_SIZE 32
+#define AUXILIARY_NAME_SIZE 40
 #define AUXILIARY_MODULE_PREFIX "auxiliary:"
 
 struct auxiliary_device_id {
-- 
2.34.1