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| author | Kristian Høgsberg <krh@redhat.com> | 2007-05-07 20:33:33 -0400 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-05-10 18:24:13 +0200 |
| commit | 6a5033be96edb3536d158072ee796393fdffe1ca (patch) | |
| tree | 10542c8435a0c5e42ccf18bde012adaf16016d10 /drivers/firewire/fw-card.c | |
| parent | c781c06d119d04601727f2fbc30151e6760d536d (diff) | |
| download | linux-6a5033be96edb3536d158072ee796393fdffe1ca.tar.gz linux-6a5033be96edb3536d158072ee796393fdffe1ca.tar.bz2 linux-6a5033be96edb3536d158072ee796393fdffe1ca.zip | |
firewire: Convert card_rwsem to a regular mutex.
Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire/fw-card.c')
| -rw-r--r-- | drivers/firewire/fw-card.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index b2aa85555a7a..3322d6169bd1 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -19,7 +19,7 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/device.h> -#include <linux/rwsem.h> +#include <linux/mutex.h> #include <linux/crc-itu-t.h> #include "fw-transaction.h" #include "fw-topology.h" @@ -38,7 +38,7 @@ int fw_compute_block_crc(u32 *block) return length; } -static DECLARE_RWSEM(card_rwsem); +static DEFINE_MUTEX(card_mutex); static LIST_HEAD(card_list); static LIST_HEAD(descriptor_list); @@ -154,7 +154,7 @@ fw_core_add_descriptor (struct fw_descriptor *desc) if (i != desc->length) return -EINVAL; - down_write(&card_rwsem); + mutex_lock(&card_mutex); list_add_tail (&desc->link, &descriptor_list); descriptor_count++; @@ -162,7 +162,7 @@ fw_core_add_descriptor (struct fw_descriptor *desc) descriptor_count++; update_config_roms(); - up_write(&card_rwsem); + mutex_unlock(&card_mutex); return 0; } @@ -171,7 +171,7 @@ EXPORT_SYMBOL(fw_core_add_descriptor); void fw_core_remove_descriptor (struct fw_descriptor *desc) { - down_write(&card_rwsem); + mutex_lock(&card_mutex); list_del(&desc->link); descriptor_count--; @@ -179,7 +179,7 @@ fw_core_remove_descriptor (struct fw_descriptor *desc) descriptor_count--; update_config_roms(); - up_write(&card_rwsem); + mutex_unlock(&card_mutex); } EXPORT_SYMBOL(fw_core_remove_descriptor); @@ -418,10 +418,10 @@ fw_card_add(struct fw_card *card, */ fw_card_get(card); - down_write(&card_rwsem); + mutex_lock(&card_mutex); config_rom = generate_config_rom (card, &length); list_add_tail(&card->link, &card_list); - up_write(&card_rwsem); + mutex_unlock(&card_mutex); return card->driver->enable(card, config_rom, length); } @@ -505,9 +505,9 @@ fw_core_remove_card(struct fw_card *card) PHY_LINK_ACTIVE | PHY_CONTENDER, 0); fw_core_initiate_bus_reset(card, 1); - down_write(&card_rwsem); + mutex_lock(&card_mutex); list_del(&card->link); - up_write(&card_rwsem); + mutex_unlock(&card_mutex); /* Set up the dummy driver. */ card->driver = &dummy_driver; |