[PATCH 2/2] firewire: endianess annotations

From: Stefan Richter
Date: Sat Feb 23 2008 - 06:26:53 EST


Kills warnings from 'make C=1 CHECKFLAGS="-D__CHECK_ENDIAN__" modules':

drivers/firewire/fw-transaction.c:771:10: warning: incorrect type in assignment (different base types)
drivers/firewire/fw-transaction.c:771:10: expected unsigned int [unsigned] [usertype] <noident>
drivers/firewire/fw-transaction.c:771:10: got restricted unsigned int [usertype] <noident>
drivers/firewire/fw-transaction.h:93:10: warning: incorrect type in assignment (different base types)
drivers/firewire/fw-transaction.h:93:10: expected unsigned int [unsigned] [usertype] <noident>
drivers/firewire/fw-transaction.h:93:10: got restricted unsigned int [usertype] <noident>
drivers/firewire/fw-ohci.c:1490:8: warning: restricted degrades to integer
drivers/firewire/fw-ohci.c:1490:35: warning: restricted degrades to integer
drivers/firewire/fw-ohci.c:1516:5: warning: cast to restricted type

Signed-off-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
Cc: linuxppc-dev@xxxxxxxxxx
---
drivers/firewire/fw-ohci.c | 4 ++--
drivers/firewire/fw-transaction.c | 2 +-
drivers/firewire/fw-transaction.h | 6 +++---
3 files changed, 6 insertions(+), 6 deletions(-)

Index: linux/drivers/firewire/fw-ohci.c
===================================================================
--- linux.orig/drivers/firewire/fw-ohci.c
+++ linux/drivers/firewire/fw-ohci.c
@@ -1487,7 +1487,7 @@ static int handle_ir_dualbuffer_packet(s
void *p, *end;
int i;

- if (db->first_res_count > 0 && db->second_res_count > 0) {
+ if (db->first_res_count != 0 && db->second_res_count != 0) {
if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) {
/* This descriptor isn't done yet, stop iteration. */
return 0;
@@ -1513,7 +1513,7 @@ static int handle_ir_dualbuffer_packet(s
memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4);
i += ctx->base.header_size;
ctx->excess_bytes +=
- (le32_to_cpu(*(u32 *)(p + 4)) >> 16) & 0xffff;
+ (le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff;
p += ctx->base.header_size + 4;
}
ctx->header_length = i;
Index: linux/drivers/firewire/fw-transaction.c
===================================================================
--- linux.orig/drivers/firewire/fw-transaction.c
+++ linux/drivers/firewire/fw-transaction.c
@@ -751,7 +751,7 @@ handle_topology_map(struct fw_card *card
void *payload, size_t length, void *callback_data)
{
int i, start, end;
- u32 *map;
+ __be32 *map;

if (!TCODE_IS_READ_REQUEST(tcode)) {
fw_send_response(card, request, RCODE_TYPE_ERROR);
Index: linux/drivers/firewire/fw-transaction.h
===================================================================
--- linux.orig/drivers/firewire/fw-transaction.h
+++ linux/drivers/firewire/fw-transaction.h
@@ -85,12 +85,12 @@
static inline void
fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
{
- u32 *dst = _dst;
- u32 *src = _src;
+ u32 *dst = _dst;
+ __be32 *src = _src;
int i;

for (i = 0; i < size / 4; i++)
- dst[i] = cpu_to_be32(src[i]);
+ dst[i] = be32_to_cpu(src[i]);
}

static inline void

--
Stefan Richter
-=====-==--- --=- =-===
http://arcgraph.de/sr/

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