firmware: arm_ffa: Add missing rwlock_init() in ffa_setup_partitions()

[ Upstream commit 59b2e242b13192e50bf47df3780bf8a7e2260e98 ]

Add the missing rwlock initialization for the individual FF-A partition
information in ffa_setup_partitions().

Fixes: 0184450b8b1e ("firmware: arm_ffa: Add schedule receiver callback mechanism")
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20240108-ffa_fixes_6-8-v1-1-75bf7035bc50@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index 6146b2927d5c56af6bc3b9722c1789f29a4498fe..ed1d6a24934ecaab9faa887333ccb96e17779165 100644 (file)
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -1226,6 +1226,7 @@ static void ffa_setup_partitions(void)
                        ffa_device_unregister(ffa_dev);
                        continue;
                }
+               rwlock_init(&info->rw_lock);
                xa_store(&drv_info->partition_info, tpbuf->id, info, GFP_KERNEL);
        }
        drv_info->partition_count = count;