diff options
author | Marek Vasut <marek.vasut@gmail.com> | 2011-01-15 19:11:16 +0100 |
---|---|---|
committer | Eric Miao <eric.y.miao@gmail.com> | 2011-03-16 16:32:46 +0800 |
commit | e27af7edda008d225ad542c3b6645483683a7e91 (patch) | |
tree | 75564362a6b20a98930c9e01594ffda33153e3d6 /drivers/pcmcia | |
parent | 235a175c401ab2d79d63f08257acebe1558a0621 (diff) | |
download | talos-obmc-linux-e27af7edda008d225ad542c3b6645483683a7e91.tar.gz talos-obmc-linux-e27af7edda008d225ad542c3b6645483683a7e91.zip |
ARM: pxa: Use gpio arrays in vpac270_pcmcia driver
Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r-- | drivers/pcmcia/pxa2xx_vpac270.c | 107 |
1 files changed, 29 insertions, 78 deletions
diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c index 55627eccee8e..c13f4111e334 100644 --- a/drivers/pcmcia/pxa2xx_vpac270.c +++ b/drivers/pcmcia/pxa2xx_vpac270.c @@ -22,6 +22,19 @@ #include "soc_common.h" +static struct gpio vpac270_pcmcia_gpios[] = { + { GPIO84_VPAC270_PCMCIA_CD, GPIOF_IN, "PCMCIA Card Detect" }, + { GPIO35_VPAC270_PCMCIA_RDY, GPIOF_IN, "PCMCIA Ready" }, + { GPIO107_VPAC270_PCMCIA_PPEN, GPIOF_INIT_LOW, "PCMCIA PPEN" }, + { GPIO11_VPAC270_PCMCIA_RESET, GPIOF_INIT_LOW, "PCMCIA Reset" }, +}; + +static struct gpio vpac270_cf_gpios[] = { + { GPIO17_VPAC270_CF_CD, GPIOF_IN, "CF Card Detect" }, + { GPIO12_VPAC270_CF_RDY, GPIOF_IN, "CF Ready" }, + { GPIO16_VPAC270_CF_RESET, GPIOF_INIT_LOW, "CF Reset" }, +}; + static struct pcmcia_irqs cd_irqs[] = { { .sock = 0, @@ -40,96 +53,34 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) int ret; if (skt->nr == 0) { - ret = gpio_request(GPIO84_VPAC270_PCMCIA_CD, "PCMCIA CD"); - if (ret) - goto err1; - ret = gpio_direction_input(GPIO84_VPAC270_PCMCIA_CD); - if (ret) - goto err2; - - ret = gpio_request(GPIO35_VPAC270_PCMCIA_RDY, "PCMCIA RDY"); - if (ret) - goto err2; - ret = gpio_direction_input(GPIO35_VPAC270_PCMCIA_RDY); - if (ret) - goto err3; - - ret = gpio_request(GPIO107_VPAC270_PCMCIA_PPEN, "PCMCIA PPEN"); - if (ret) - goto err3; - ret = gpio_direction_output(GPIO107_VPAC270_PCMCIA_PPEN, 0); - if (ret) - goto err4; - - ret = gpio_request(GPIO11_VPAC270_PCMCIA_RESET, "PCMCIA RESET"); - if (ret) - goto err4; - ret = gpio_direction_output(GPIO11_VPAC270_PCMCIA_RESET, 0); - if (ret) - goto err5; + ret = gpio_request_array(vpac270_pcmcia_gpios, + ARRAY_SIZE(vpac270_pcmcia_gpios)); skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY); - return soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1); - -err5: - gpio_free(GPIO11_VPAC270_PCMCIA_RESET); -err4: - gpio_free(GPIO107_VPAC270_PCMCIA_PPEN); -err3: - gpio_free(GPIO35_VPAC270_PCMCIA_RDY); -err2: - gpio_free(GPIO84_VPAC270_PCMCIA_CD); -err1: - return ret; - + if (!ret) + ret = soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1); } else { - ret = gpio_request(GPIO17_VPAC270_CF_CD, "CF CD"); - if (ret) - goto err6; - ret = gpio_direction_input(GPIO17_VPAC270_CF_CD); - if (ret) - goto err7; - - ret = gpio_request(GPIO12_VPAC270_CF_RDY, "CF RDY"); - if (ret) - goto err7; - ret = gpio_direction_input(GPIO12_VPAC270_CF_RDY); - if (ret) - goto err8; - - ret = gpio_request(GPIO16_VPAC270_CF_RESET, "CF RESET"); - if (ret) - goto err8; - ret = gpio_direction_output(GPIO16_VPAC270_CF_RESET, 0); - if (ret) - goto err9; + ret = gpio_request_array(vpac270_cf_gpios, + ARRAY_SIZE(vpac270_cf_gpios)); skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY); - return soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1); - -err9: - gpio_free(GPIO16_VPAC270_CF_RESET); -err8: - gpio_free(GPIO12_VPAC270_CF_RDY); -err7: - gpio_free(GPIO17_VPAC270_CF_CD); -err6: - return ret; - + if (!ret) + ret = soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1); } + + return ret; } static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - gpio_free(GPIO11_VPAC270_PCMCIA_RESET); - gpio_free(GPIO107_VPAC270_PCMCIA_PPEN); - gpio_free(GPIO35_VPAC270_PCMCIA_RDY); - gpio_free(GPIO84_VPAC270_PCMCIA_CD); - gpio_free(GPIO16_VPAC270_CF_RESET); - gpio_free(GPIO12_VPAC270_CF_RDY); - gpio_free(GPIO17_VPAC270_CF_CD); + if (skt->nr == 0) + gpio_request_array(vpac270_pcmcia_gpios, + ARRAY_SIZE(vpac270_pcmcia_gpios)); + else + gpio_request_array(vpac270_cf_gpios, + ARRAY_SIZE(vpac270_cf_gpios)); } static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, |