linux-kernel - [PATCH 01/13] powerpc/powernv: remove get_cxl

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Message-Id: <20210128181421.2279-2-hch@lst.de>
Date:   Thu, 28 Jan 2021 19:14:09 +0100
From:   Christoph Hellwig <hch@....de>
To:     Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Jessica Yu <jeyu@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>,
        Joe Lawrence <joe.lawrence@...hat.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        dri-devel@...ts.freedesktop.org, live-patching@...r.kernel.org,
        linux-kbuild@...r.kernel.org
Subject: [PATCH 01/13] powerpc/powernv: remove get_cxl_module

The static inline get_cxl_module function is entirely unused since commit
8bf6b91a5125a ("Revert "powerpc/powernv: Add support for the cxl kernel
api on the real phb"), so remove it.

Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Andrew Donnellan <ajd@...ux.ibm.com>
---
 arch/powerpc/platforms/powernv/pci-cxl.c | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-cxl.c b/arch/powerpc/platforms/powernv/pci-cxl.c
index 8c739c94ed28d6..53172862d23bd3 100644
--- a/arch/powerpc/platforms/powernv/pci-cxl.c
+++ b/arch/powerpc/platforms/powernv/pci-cxl.c
@@ -150,25 +150,3 @@ int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq,
 	return 0;
 }
 EXPORT_SYMBOL(pnv_cxl_ioda_msi_setup);
-
-#if IS_MODULE(CONFIG_CXL)
-static inline int get_cxl_module(void)
-{
-	struct module *cxl_module;
-
-	mutex_lock(&module_mutex);
-
-	cxl_module = find_module("cxl");
-	if (cxl_module)
-		__module_get(cxl_module);
-
-	mutex_unlock(&module_mutex);
-
-	if (!cxl_module)
-		return -ENODEV;
-
-	return 0;
-}
-#else
-static inline int get_cxl_module(void) { return 0; }
-#endif
-- 
2.29.2