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[5.10,136/188] soc/fsl: qbman: fix conflicting alignment attributes

Message ID 20210412084018.164719291@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman April 12, 2021, 8:40 a.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>


[ Upstream commit 040f31196e8b2609613f399793b9225271b79471 ]

When building with W=1, gcc points out that the __packed attribute
on struct qm_eqcr_entry conflicts with the 8-byte alignment
attribute on struct qm_fd inside it:

drivers/soc/fsl/qbman/qman.c:189:1: error: alignment 1 of 'struct qm_eqcr_entry' is less than 8 [-Werror=packed-not-aligned]

I assume that the alignment attribute is the correct one, and
that qm_eqcr_entry cannot actually be unaligned in memory,
so add the same alignment on the outer struct.

Fixes: c535e923bb97 ("soc/fsl: Introduce DPAA 1.x QMan device driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Link: https://lore.kernel.org/r/20210323131530.2619900-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Signed-off-by: Sasha Levin <sashal@kernel.org>

---
 drivers/soc/fsl/qbman/qman.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.30.2
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Patch

diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 9888a7061873..feb97470699d 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -186,7 +186,7 @@  struct qm_eqcr_entry {
 	__be32 tag;
 	struct qm_fd fd;
 	u8 __reserved3[32];
-} __packed;
+} __packed __aligned(8);
 #define QM_EQCR_VERB_VBIT		0x80
 #define QM_EQCR_VERB_CMD_MASK		0x61	/* but only one value; */
 #define QM_EQCR_VERB_CMD_ENQUEUE	0x01