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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-13 23:06:09 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-21 14:27:02 +0000 |
| commit | 3b61436a792517848ee386bd2ccf4fc3a75f1a0f (patch) | |
| tree | 86c0b6149e5bbdf488aee3f2eb479cc37905e358 /drivers/pcmcia | |
| parent | 76346a4eabf85a44dc425c0197ba46a8884e6090 (diff) | |
| download | linux-stable-3b61436a792517848ee386bd2ccf4fc3a75f1a0f.tar.gz linux-stable-3b61436a792517848ee386bd2ccf4fc3a75f1a0f.tar.bz2 linux-stable-3b61436a792517848ee386bd2ccf4fc3a75f1a0f.zip | |
PCMCIA: sa11x0: shannon: convert to use new irq/gpio management
Convert Shannon socket driver to use the new irq/gpio management.
This is slightly more involved because we have to touch the private
platform header file to modify the GPIO bitmasks to be GPIO numbers.
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/sa1100_shannon.c | 54 |
1 files changed, 17 insertions, 37 deletions
diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c index 7ff1b43540b8..7552d8591a29 100644 --- a/drivers/pcmcia/sa1100_shannon.c +++ b/drivers/pcmcia/sa1100_shannon.c @@ -15,39 +15,35 @@ #include <asm/irq.h> #include "sa1100_generic.h" -static struct pcmcia_irqs irqs[] = { - { 0, SHANNON_IRQ_GPIO_EJECT_0, "PCMCIA_CD_0" }, - { 1, SHANNON_IRQ_GPIO_EJECT_1, "PCMCIA_CD_1" }, -}; - static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { /* All those are inputs */ - GPDR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | - SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1); - GAFR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | - SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1); - - skt->socket.pci_irq = skt->nr ? SHANNON_IRQ_GPIO_RDY_1 : SHANNON_IRQ_GPIO_RDY_0; - - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} + GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) | + GPIO_GPIO(SHANNON_GPIO_EJECT_1) | + GPIO_GPIO(SHANNON_GPIO_RDY_0) | + GPIO_GPIO(SHANNON_GPIO_RDY_1)); + + if (skt->nr == 0) { + skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0; + skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0"; + skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0; + skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0"; + } else { + skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1; + skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1"; + skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1; + skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1"; + } -static void shannon_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + return 0; } static void shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - unsigned long levels = GPLR; - switch (skt->nr) { case 0: - state->detect = (levels & SHANNON_GPIO_EJECT_0) ? 0 : 1; - state->ready = (levels & SHANNON_GPIO_RDY_0) ? 1 : 0; state->wrprot = 0; /* Not available on Shannon. */ state->bvd1 = 1; state->bvd2 = 1; @@ -56,8 +52,6 @@ shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt, break; case 1: - state->detect = (levels & SHANNON_GPIO_EJECT_1) ? 0 : 1; - state->ready = (levels & SHANNON_GPIO_RDY_1) ? 1 : 0; state->wrprot = 0; /* Not available on Shannon. */ state->bvd1 = 1; state->bvd2 = 1; @@ -92,25 +86,11 @@ shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return 0; } -static void shannon_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - -static void shannon_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -{ - soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); -} - static struct pcmcia_low_level shannon_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = shannon_pcmcia_hw_init, - .hw_shutdown = shannon_pcmcia_hw_shutdown, .socket_state = shannon_pcmcia_socket_state, .configure_socket = shannon_pcmcia_configure_socket, - - .socket_init = shannon_pcmcia_socket_init, - .socket_suspend = shannon_pcmcia_socket_suspend, }; int __devinit pcmcia_shannon_init(struct device *dev) |