linux-kernel - [PATCH 2/3] pnp: isapnp: Export isapnp_read

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Message-ID: <20250124105900.27592-3-dpenkler@gmail.com>
Date: Fri, 24 Jan 2025 11:58:59 +0100
From: Dave Penkler <dpenkler@...il.com>
To: gregkh@...uxfoundation.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: Dave Penkler <dpenkler@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Jaroslav Kysela <perex@...ex.cz>,
	Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 2/3] pnp: isapnp: Export isapnp_read_byte again

The build of drivers/staging/gpib/hp_82341 driver was failing
with:

ERROR: modpost: "isapnp_read_byte"
[drivers/staging/gpib/hp_82341/hp_82341.ko] undefined!

because the symbol was not exported for modules.

There were no errors building with allyesconfig

The symbol was removed by
Link: https://lore.kernel.org/all/20051030202734.GN4180@stusta.de/
because it was no longer used by any mainline modules.

Export the symbol again.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Closes: https://lore.kernel.org/r/20241014162054.2b91b5af@canb.auug.org.au
Cc: Jaroslav Kysela <perex@...ex.cz> (maintainer:ISAPNP)
Cc: Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Dave Penkler <dpenkler@...il.com>
---
 drivers/pnp/isapnp/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index c43d8ad02529..d2ff76e74a05 100644
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -843,6 +843,7 @@ EXPORT_SYMBOL(isapnp_protocol);
 EXPORT_SYMBOL(isapnp_present);
 EXPORT_SYMBOL(isapnp_cfg_begin);
 EXPORT_SYMBOL(isapnp_cfg_end);
+EXPORT_SYMBOL(isapnp_read_byte);
 EXPORT_SYMBOL(isapnp_write_byte);
 
 static int isapnp_get_resources(struct pnp_dev *dev)
-- 
2.47.1