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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-13 18:06:09 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-02-21 09:27:02 -0500
commit3b61436a792517848ee386bd2ccf4fc3a75f1a0f (patch)
tree86c0b6149e5bbdf488aee3f2eb479cc37905e358 /drivers/pcmcia
parent76346a4eabf85a44dc425c0197ba46a8884e6090 (diff)
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.c54
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 @@
15#include <asm/irq.h> 15#include <asm/irq.h>
16#include "sa1100_generic.h" 16#include "sa1100_generic.h"
17 17
18static struct pcmcia_irqs irqs[] = {
19 { 0, SHANNON_IRQ_GPIO_EJECT_0, "PCMCIA_CD_0" },
20 { 1, SHANNON_IRQ_GPIO_EJECT_1, "PCMCIA_CD_1" },
21};
22
23static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt) 18static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
24{ 19{
25 /* All those are inputs */ 20 /* All those are inputs */
26 GPDR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | 21 GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) |
27 SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1); 22 GPIO_GPIO(SHANNON_GPIO_EJECT_1) |
28 GAFR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | 23 GPIO_GPIO(SHANNON_GPIO_RDY_0) |
29 SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1); 24 GPIO_GPIO(SHANNON_GPIO_RDY_1));
30 25
31 skt->socket.pci_irq = skt->nr ? SHANNON_IRQ_GPIO_RDY_1 : SHANNON_IRQ_GPIO_RDY_0; 26 if (skt->nr == 0) {
32 27 skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0;
33 return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); 28 skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0";
34} 29 skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0;
30 skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0";
31 } else {
32 skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1;
33 skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1";
34 skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1;
35 skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1";
36 }
35 37
36static void shannon_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) 38 return 0;
37{
38 soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
39} 39}
40 40
41static void 41static void
42shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt, 42shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
43 struct pcmcia_state *state) 43 struct pcmcia_state *state)
44{ 44{
45 unsigned long levels = GPLR;
46
47 switch (skt->nr) { 45 switch (skt->nr) {
48 case 0: 46 case 0:
49 state->detect = (levels & SHANNON_GPIO_EJECT_0) ? 0 : 1;
50 state->ready = (levels & SHANNON_GPIO_RDY_0) ? 1 : 0;
51 state->wrprot = 0; /* Not available on Shannon. */ 47 state->wrprot = 0; /* Not available on Shannon. */
52 state->bvd1 = 1; 48 state->bvd1 = 1;
53 state->bvd2 = 1; 49 state->bvd2 = 1;
@@ -56,8 +52,6 @@ shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
56 break; 52 break;
57 53
58 case 1: 54 case 1:
59 state->detect = (levels & SHANNON_GPIO_EJECT_1) ? 0 : 1;
60 state->ready = (levels & SHANNON_GPIO_RDY_1) ? 1 : 0;
61 state->wrprot = 0; /* Not available on Shannon. */ 55 state->wrprot = 0; /* Not available on Shannon. */
62 state->bvd1 = 1; 56 state->bvd1 = 1;
63 state->bvd2 = 1; 57 state->bvd2 = 1;
@@ -92,25 +86,11 @@ shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
92 return 0; 86 return 0;
93} 87}
94 88
95static void shannon_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
96{
97 soc_pcmcia_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
98}
99
100static void shannon_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
101{
102 soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
103}
104
105static struct pcmcia_low_level shannon_pcmcia_ops = { 89static struct pcmcia_low_level shannon_pcmcia_ops = {
106 .owner = THIS_MODULE, 90 .owner = THIS_MODULE,
107 .hw_init = shannon_pcmcia_hw_init, 91 .hw_init = shannon_pcmcia_hw_init,
108 .hw_shutdown = shannon_pcmcia_hw_shutdown,
109 .socket_state = shannon_pcmcia_socket_state, 92 .socket_state = shannon_pcmcia_socket_state,
110 .configure_socket = shannon_pcmcia_configure_socket, 93 .configure_socket = shannon_pcmcia_configure_socket,
111
112 .socket_init = shannon_pcmcia_socket_init,
113 .socket_suspend = shannon_pcmcia_socket_suspend,
114}; 94};
115 95
116int __devinit pcmcia_shannon_init(struct device *dev) 96int __devinit pcmcia_shannon_init(struct device *dev)