Messages in this thread Patch in this message | | | From | "Ben Dooks (Codethink)" <> | Subject | [PATCH] irqchip/gic-v3-its: fix u64 to __le64 warnings | Date | Thu, 17 Oct 2019 12:29:55 +0100 |
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The its_cmd_block struct can either have u64 or __le64 data in it, so make a anonymous union to remove the sparse warnings when converting to/from these.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> --- Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <maz@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/irqchip/irq-gic-v3-its.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 62e54f1a248b..f2b585905ba0 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -289,7 +289,10 @@ struct its_cmd_desc { * The ITS command block, which is what the ITS actually parses. */ struct its_cmd_block { - u64 raw_cmd[4]; + union { + u64 raw_cmd[4]; + __le64 raw_cmd_le[4]; + }; }; #define ITS_CMD_QUEUE_SZ SZ_64K @@ -398,10 +401,10 @@ static void its_encode_vpt_size(struct its_cmd_block *cmd, u8 vpt_size) static inline void its_fixup_cmd(struct its_cmd_block *cmd) { /* Let's fixup BE commands */ - cmd->raw_cmd[0] = cpu_to_le64(cmd->raw_cmd[0]); - cmd->raw_cmd[1] = cpu_to_le64(cmd->raw_cmd[1]); - cmd->raw_cmd[2] = cpu_to_le64(cmd->raw_cmd[2]); - cmd->raw_cmd[3] = cpu_to_le64(cmd->raw_cmd[3]); + cmd->raw_cmd_le[0] = cpu_to_le64(cmd->raw_cmd[0]); + cmd->raw_cmd_le[1] = cpu_to_le64(cmd->raw_cmd[1]); + cmd->raw_cmd_le[2] = cpu_to_le64(cmd->raw_cmd[2]); + cmd->raw_cmd_le[3] = cpu_to_le64(cmd->raw_cmd[3]); } static struct its_collection *its_build_mapd_cmd(struct its_node *its, -- 2.23.0
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