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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-11-03 07:52:57 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-11-03 07:52:57 -0800 |
commit | 38dc63459f185795b24a39f3f4921a433ea9980b (patch) | |
tree | 205a8abc9b20c4f5573e4d2fbc03e74388cef2bc /drivers/pcmcia/cs.c | |
parent | 1d510750941a53a1d3049c1d33c75d6dfcd78618 (diff) | |
parent | 2ddac2a6a8f13e95664fe7ad1b728ac84fb1bd07 (diff) | |
download | linux-38dc63459f185795b24a39f3f4921a433ea9980b.tar.bz2 |
Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM: Remove some debug messages producing too much noise
PM: Fix warning on suspend errors
PM / Hibernate: Add newline to load_image() fail path
PM / Hibernate: Fix error handling in save_image()
PM / Hibernate: Fix blkdev refleaks
PM / yenta: Split resume into early and late parts (rev. 4)
Diffstat (limited to 'drivers/pcmcia/cs.c')
-rw-r--r-- | drivers/pcmcia/cs.c | 69 |
1 files changed, 43 insertions, 26 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 934d4bee39a0..698d75cda084 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -98,10 +98,13 @@ EXPORT_SYMBOL(pcmcia_socket_list_rwsem); * These functions check for the appropriate struct pcmcia_soket arrays, * and pass them to the low-level functions pcmcia_{suspend,resume}_socket */ +static int socket_early_resume(struct pcmcia_socket *skt); +static int socket_late_resume(struct pcmcia_socket *skt); static int socket_resume(struct pcmcia_socket *skt); static int socket_suspend(struct pcmcia_socket *skt); -int pcmcia_socket_dev_suspend(struct device *dev) +static void pcmcia_socket_dev_run(struct device *dev, + int (*cb)(struct pcmcia_socket *)) { struct pcmcia_socket *socket; @@ -110,29 +113,34 @@ int pcmcia_socket_dev_suspend(struct device *dev) if (socket->dev.parent != dev) continue; mutex_lock(&socket->skt_mutex); - socket_suspend(socket); + cb(socket); mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); +} +int pcmcia_socket_dev_suspend(struct device *dev) +{ + pcmcia_socket_dev_run(dev, socket_suspend); return 0; } EXPORT_SYMBOL(pcmcia_socket_dev_suspend); -int pcmcia_socket_dev_resume(struct device *dev) +void pcmcia_socket_dev_early_resume(struct device *dev) { - struct pcmcia_socket *socket; + pcmcia_socket_dev_run(dev, socket_early_resume); +} +EXPORT_SYMBOL(pcmcia_socket_dev_early_resume); - down_read(&pcmcia_socket_list_rwsem); - list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { - if (socket->dev.parent != dev) - continue; - mutex_lock(&socket->skt_mutex); - socket_resume(socket); - mutex_unlock(&socket->skt_mutex); - } - up_read(&pcmcia_socket_list_rwsem); +void pcmcia_socket_dev_late_resume(struct device *dev) +{ + pcmcia_socket_dev_run(dev, socket_late_resume); +} +EXPORT_SYMBOL(pcmcia_socket_dev_late_resume); +int pcmcia_socket_dev_resume(struct device *dev) +{ + pcmcia_socket_dev_run(dev, socket_resume); return 0; } EXPORT_SYMBOL(pcmcia_socket_dev_resume); @@ -546,29 +554,24 @@ static int socket_suspend(struct pcmcia_socket *skt) return 0; } -/* - * Resume a socket. If a card is present, verify its CIS against - * our cached copy. If they are different, the card has been - * replaced, and we need to tell the drivers. - */ -static int socket_resume(struct pcmcia_socket *skt) +static int socket_early_resume(struct pcmcia_socket *skt) { - int ret; - - if (!(skt->state & SOCKET_SUSPEND)) - return -EBUSY; - skt->socket = dead_socket; skt->ops->init(skt); skt->ops->set_socket(skt, &skt->socket); + if (skt->state & SOCKET_PRESENT) + skt->resume_status = socket_setup(skt, resume_delay); + return 0; +} +static int socket_late_resume(struct pcmcia_socket *skt) +{ if (!(skt->state & SOCKET_PRESENT)) { skt->state &= ~SOCKET_SUSPEND; return socket_insert(skt); } - ret = socket_setup(skt, resume_delay); - if (ret == 0) { + if (skt->resume_status == 0) { /* * FIXME: need a better check here for cardbus cards. */ @@ -596,6 +599,20 @@ static int socket_resume(struct pcmcia_socket *skt) return 0; } +/* + * Resume a socket. If a card is present, verify its CIS against + * our cached copy. If they are different, the card has been + * replaced, and we need to tell the drivers. + */ +static int socket_resume(struct pcmcia_socket *skt) +{ + if (!(skt->state & SOCKET_SUSPEND)) + return -EBUSY; + + socket_early_resume(skt); + return socket_late_resume(skt); +} + static void socket_remove(struct pcmcia_socket *skt) { dev_printk(KERN_NOTICE, &skt->dev, |