From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
Date: Mon, 10 Jul 2017 08:40:29 +0300
Subject: [PATCH] crypto: caam/qi - fix compilation with
 CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
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References: bnc#1060662
Patch-mainline: v4.12.12
Git-commit: 1ed289f7b78c34565a33dbe6f8c482e71f493934

commit 1ed289f7b78c34565a33dbe6f8c482e71f493934 upstream.

caam/qi driver fails to compile when CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y.
Fix it by making the offending local per_cpu variable global.

Fixes: 67c2315def06c ("crypto: caam - add Queue Interface (QI) backend support")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/crypto/caam/qi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c
index 1990ed460c46..53aed5816416 100644
--- a/drivers/crypto/caam/qi.c
+++ b/drivers/crypto/caam/qi.c
@@ -55,6 +55,7 @@ struct caam_qi_pcpu_priv {
 } ____cacheline_aligned;
 
 static DEFINE_PER_CPU(struct caam_qi_pcpu_priv, pcpu_qipriv);
+static DEFINE_PER_CPU(int, last_cpu);
 
 /*
  * caam_qi_priv - CAAM QI backend private params
@@ -392,7 +393,6 @@ struct caam_drv_ctx *caam_drv_ctx_init(struct device *qidev,
 	dma_addr_t hwdesc;
 	struct caam_drv_ctx *drv_ctx;
 	const cpumask_t *cpus = qman_affine_cpus();
-	static DEFINE_PER_CPU(int, last_cpu);
 
 	num_words = desc_len(sh_desc);
 	if (num_words > MAX_SDLEN) {
-- 
2.14.2