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authorBen Dooks (Codethink) <ben.dooks@codethink.co.uk>2019-10-17 14:29:55 +0300
committerMarc Zyngier <maz@kernel.org>2019-11-10 21:47:45 +0300
commit2bbdfcc54ba857ce5da9a5741379dd03ba94c947 (patch)
treea8e181d6c55fee9f6cee16d53b4520d12c48bd29 /drivers/irqchip
parent2c542426128a4e3d247939f868d19279ad48cb1f (diff)
downloadlinux-2bbdfcc54ba857ce5da9a5741379dd03ba94c947.tar.xz
irqchip/gic-v3-its: Fix u64 to __le64 warnings
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
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 787e8eec9a7f..021e0c70e87c 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -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,