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ieee1394: mark bus_info_data was a __be32 array

PATCH In review Harvey Harrison 2 participants 4 messages Dec 13, 2008 – Dec 14, 2008

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#0 lore raw

PATCH 3/4 ieee1394: mark bus_info_data was a __be32 array

Two access functions get_max_rom and set_hw_config_rom are changed to take __be32 as well. Only bus_info_data was ever passed in so this is OK. All other uses of bus_info_data treated it as a be32 value already.

---
 drivers/ieee1394/csr1212.h  |    4 ++--
 drivers/ieee1394/hosts.h    |    2 +-
 drivers/ieee1394/nodemgr.c  |    2 +-
 drivers/ieee1394/ohci1394.c |    2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)
drivers/ieee1394/csr1212.h +2 -2
index 043039f..55ab4cc 100644
@@ -181,7 +181,7 @@ struct csr1212_csr_rom_cache {
 struct csr1212_csr {
 	size_t bus_info_len;	/* bus info block length in bytes */
 	size_t crc_len;		/* crc length in bytes */
-	u32 *bus_info_data;	/* bus info data incl bus name and EUI */
+	__be32 *bus_info_data;	/* bus info data incl bus name and EUI */
 
 	void *private;		/* private, bus specific data */
 	struct csr1212_bus_ops *ops;
@@ -215,7 +215,7 @@ struct csr1212_bus_ops {
 	/* This function is used by csr1212 to determine the max read request
 	 * supported by a remote node when reading the ConfigROM space.  Must
 	 * return 0, 1, or 2 per IEEE 1212.  */
-	int (*get_max_rom) (u32 *bus_info, void *private);
+	int (*get_max_rom) (__be32 *bus_info, void *private);
 };
 
 
drivers/ieee1394/hosts.h +1 -1
index dd22995..49c3590 100644
@@ -154,7 +154,7 @@ struct hpsb_host_driver {
 	 * to set the hardware ConfigROM if the hardware supports handling
 	 * reads to the ConfigROM on its own. */
 	void (*set_hw_config_rom)(struct hpsb_host *host,
-				  quadlet_t *config_rom);
+				  __be32 *config_rom);
 
 	/* This function shall implement packet transmission based on
 	 * packet->type.  It shall CRC both parts of the packet (unless
drivers/ieee1394/nodemgr.c +1 -1
index 175a9d4..92c8b8d 100644
@@ -115,7 +115,7 @@ static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length,
 	return error;
 }
 
-static int nodemgr_get_max_rom(quadlet_t *bus_info_data, void *__ci)
+static int nodemgr_get_max_rom(__be32 *bus_info_data, void *__ci)
 {
 	return (be32_to_cpu(bus_info_data[2]) >> 8) & 0x3;
 }
drivers/ieee1394/ohci1394.c +1 -1
index 066726b..b3116d0 100644
@@ -2973,7 +2973,7 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
 	return 0;
 }
 
-static void ohci_set_hw_config_rom(struct hpsb_host *host, quadlet_t *config_rom)
+static void ohci_set_hw_config_rom(struct hpsb_host *host, __be32 *config_rom)
 {
 	struct ti_ohci *ohci = host->hostdata;
 
Signature · 1 line
1.6.1.rc2.306.ge5d5e
#1 lore raw
Quoted 4 lines · Harvey Harrison

Two access functions get_max_rom and set_hw_config_rom are changed to take __be32 as well. Only bus_info_data was ever passed in so this is OK. All other uses of bus_info_data treated it as a be32 value already.

I pushed the following out to linux1394-2.6.git:

Harvey Harrison (6):
ieee1394: pcilynx: trivial endian annotation
ieee1394: replace CSR_SET_BUS_INFO_GENERATION macro
ieee1394: mark bus_info_data as a __be32 array
ieee1394: eth1394: trivial sparse annotations
ieee1394: dv1394 annotate frame input/output structs as little endian
ieee1934: dv1394: interrupt enabling/disabling broken on big-endian

Note, I dropped two hunks from "mark bus_info_data..." due to another change which I posted only a few hours ago. Please check:
http://git.kernel.org/?p=linux/kernel/git/ieee1394/linux1394-2.6.git;a=commitdiff;h=d88b81b772c6db76eb3b9f9564034f55d0dcdd09
This interfered with your patch:
http://git.kernel.org/?p=linux/kernel/git/ieee1394/linux1394-2.6.git;a=commitdiff;h=6b09b72cbdcba8da71b85651eb37e0156aa65def

I pulled your patches into my master branch but not yet into my for-next branch (awaiting possible feedback on what I enqueued before your patches).

Signature · 3 lines
Stefan Richter
-=====-==--- ==-- -===-
http://arcgraph.de/sr/
#2 lore raw
Quoted 16 lines · Stefan Richter
Quoted 4 lines · Harvey Harrison

Two access functions get_max_rom and set_hw_config_rom are changed to take __be32 as well. Only bus_info_data was ever passed in so this is OK. All other uses of bus_info_data treated it as a be32 value already.

I pushed the following out to linux1394-2.6.git:

Harvey Harrison (6):
ieee1394: pcilynx: trivial endian annotation
ieee1394: replace CSR_SET_BUS_INFO_GENERATION macro
ieee1394: mark bus_info_data as a __be32 array
ieee1394: eth1394: trivial sparse annotations
ieee1394: dv1394 annotate frame input/output structs as little endian
ieee1934: dv1394: interrupt enabling/disabling broken on big-endian

Quoted 8 lines

Note, I dropped two hunks from "mark bus_info_data..." due to another change which I posted only a few hours ago. Please check:
http://git.kernel.org/?p=linux/kernel/git/ieee1394/linux1394-2.6.git;a=commitdiff;h=d88b81b772c6db76eb3b9f9564034f55d0dcdd09
This interfered with your patch:
http://git.kernel.org/?p=linux/kernel/git/ieee1394/linux1394-2.6.git;a=commitdiff;h=6b09b72cbdcba8da71b85651eb37e0156aa65def

I pulled your patches into my master branch but not yet into my for-next branch (awaiting possible feedback on what I enqueued before your patches).

Looks OK to me, I needed to change the definition of get_max_rom to take a be32 as it was only ever passed the bus_info_data, now that the other patch removes that function entirely, the two hunks you dropped are no longer needed.

Cheers,

Harvey

#3 lore raw
Quoted 2 lines · Harvey Harrison
Quoted 1 line · Stefan Richter

I dropped two hunks from "mark bus_info_data..." due to another change

...

Quoted 4 lines

Looks OK to me, I needed to change the definition of get_max_rom to take a be32 as it was only ever passed the bus_info_data, now that the other patch removes that function entirely, the two hunks you dropped are no longer needed.

Ah, I wanted to remove get_max_rom from the changelog as well but then forgot it...

Signature · 3 lines
Stefan Richter
-=====-==--- ==-- -===-
http://arcgraph.de/sr/