From bbb58a1210c6fdc68b09f7b9e12096c2a1886aa1 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 18 Jan 2012 12:32:37 +0000 Subject: [PATCH] PCMCIA: sa11x0: cerf: convert reset handling to use GPIO subsystem Rather than accessing GPSR and GPCR directly, use the GPIO subsystem instead. Acked-by: Dominik Brodowski Signed-off-by: Russell King --- arch/arm/mach-sa1100/include/mach/cerf.h | 2 +- drivers/pcmcia/sa1100_cerf.c | 19 ++++++++++++++----- 2 files changed, 15 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-sa1100/include/mach/cerf.h b/arch/arm/mach-sa1100/include/mach/cerf.h index 0e49545a3723..88fd9c006ce0 100644 --- a/arch/arm/mach-sa1100/include/mach/cerf.h +++ b/arch/arm/mach-sa1100/include/mach/cerf.h @@ -16,7 +16,7 @@ #define CERF_GPIO_CF_BVD2 19 #define CERF_GPIO_CF_BVD1 20 -#define CERF_GPIO_CF_RESET GPIO_GPIO (21) +#define CERF_GPIO_CF_RESET 21 #define CERF_GPIO_CF_IRQ 22 #define CERF_GPIO_CF_CD 23 diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c index 9d0424ea9a4f..50df0e682b68 100644 --- a/drivers/pcmcia/sa1100_cerf.c +++ b/drivers/pcmcia/sa1100_cerf.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include @@ -21,6 +22,12 @@ static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { + int ret; + + ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET"); + if (ret) + return ret; + skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD; skt->stat[SOC_STAT_CD].name = "CF_CD"; skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1; @@ -33,6 +40,11 @@ static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt) return 0; } +static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free(CERF_GPIO_CF_RESET); +} + static void cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { @@ -57,11 +69,7 @@ cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, return -1; } - if (state->flags & SS_RESET) { - GPSR = CERF_GPIO_CF_RESET; - } else { - GPCR = CERF_GPIO_CF_RESET; - } + gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET)); return 0; } @@ -69,6 +77,7 @@ cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, static struct pcmcia_low_level cerf_pcmcia_ops = { .owner = THIS_MODULE, .hw_init = cerf_pcmcia_hw_init, + .hw_shutdown = cerf_pcmcia_hw_shutdown, .socket_state = cerf_pcmcia_socket_state, .configure_socket = cerf_pcmcia_configure_socket, }; -- 2.34.1