powerpc/eeh: Drop redundant spinlock initialization

[ Upstream commit 3def164a5cedad9117859dd4610cae2cc59cb6d2 ]

slot_errbuf_lock has declared and initialized by DEFINE_SPINLOCK,
so we don't need to spin_lock_init again, drop it.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1652232476-9696-1-git-send-email-baihaowen@meizu.com
Stable-dep-of: 9aafbfa5f57a ("powerpc/pseries/eeh: use correct API for error log size")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 09fafcf..08ce7e4 100644 (file)
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -845,8 +845,7 @@ static int __init eeh_pseries_init(void)
                return -EINVAL;
        }
 
-       /* Initialize error log lock and size */
-       spin_lock_init(&slot_errbuf_lock);
+       /* Initialize error log size */
        eeh_error_buf_size = rtas_token("rtas-error-log-max");
        if (eeh_error_buf_size == RTAS_UNKNOWN_SERVICE) {
                pr_info("%s: unknown EEH error log size\n",