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irqchip/gic-v3-its: Fix u64 to __le64 warnings

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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>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191017112955.15853-1-ben.dooks@codethink.co.uk
This commit is contained in:
Ben Dooks (Codethink) 2019-10-17 12:29:55 +01:00 committed by Marc Zyngier
parent 2c54242612
commit 2bbdfcc54b
1 changed files with 8 additions and 5 deletions
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13
drivers/irqchip/irq-gic-v3-its.c
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@ -305,7 +305,10 @@ 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
@ -414,10 +417,10 @@ 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,