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Subject[PATCH] irqchip/gic-v3-its: fix u64 to __le64 warnings
Date
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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