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| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2017-10-06 20:59:05 +0200 |
|---|---|---|
| committer |   Sudeep Holla <sudeep.holla@arm.com> | 2017-10-09 10:20:02 +0100 |
| commit | 430594c1c7f5051f0d99ed9d08d086d20587cdd1 (patch) | |
| tree | c13dcc1666c941644cfe3937a6696a39db6129a2 /drivers/firmware | |
| parent | firmware: arm_scpi: remove all single element structures (diff) | |
| download | linux-dev-430594c1c7f5051f0d99ed9d08d086d20587cdd1.tar.xz linux-dev-430594c1c7f5051f0d99ed9d08d086d20587cdd1.zip | |
firmware: arm_scpi: silence sparse warnings
At several positions in the code sparse complains about incorrect access
to __iomem annotated memory. Fix this and make sparse happy.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_scpi.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index f0c37a4ecddf..dfb373c8ba2a 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -405,19 +405,20 @@ static void scpi_process_cmd(struct scpi_chan *ch, u32 cmd) unsigned int len; if (scpi_info->is_legacy) { - struct legacy_scpi_shared_mem *mem = ch->rx_payload; + struct legacy_scpi_shared_mem __iomem *mem = + ch->rx_payload; /* RX Length is not replied by the legacy Firmware */ len = match->rx_len; - match->status = le32_to_cpu(mem->status); + match->status = ioread32(&mem->status); memcpy_fromio(match->rx_buf, mem->payload, len); } else { - struct scpi_shared_mem *mem = ch->rx_payload; + struct scpi_shared_mem __iomem *mem = ch->rx_payload; len = min(match->rx_len, CMD_SIZE(cmd)); - match->status = le32_to_cpu(mem->status); + match->status = ioread32(&mem->status); memcpy_fromio(match->rx_buf, mem->payload, len); } @@ -431,11 +432,11 @@ static void scpi_process_cmd(struct scpi_chan *ch, u32 cmd) static void scpi_handle_remote_msg(struct mbox_client *c, void *msg) { struct scpi_chan *ch = container_of(c, struct scpi_chan, cl); - struct scpi_shared_mem *mem = ch->rx_payload; + struct scpi_shared_mem __iomem *mem = ch->rx_payload; u32 cmd = 0; if (!scpi_info->is_legacy) - cmd = le32_to_cpu(mem->command); + cmd = ioread32(&mem->command); scpi_process_cmd(ch, cmd); } @@ -445,7 +446,7 @@ static void scpi_tx_prepare(struct mbox_client *c, void *msg) unsigned long flags; struct scpi_xfer *t = msg; struct scpi_chan *ch = container_of(c, struct scpi_chan, cl); - struct scpi_shared_mem *mem = ch->tx_payload; + struct scpi_shared_mem __iomem *mem = ch->tx_payload; if (t->tx_buf) { if (scpi_info->is_legacy) @@ -464,7 +465,7 @@ static void scpi_tx_prepare(struct mbox_client *c, void *msg) } if (!scpi_info->is_legacy) - mem->command = cpu_to_le32(t->cmd); + iowrite32(t->cmd, &mem->command); } static struct scpi_xfer *get_scpi_xfer(struct scpi_chan *ch) |