diff options
author | Marek Vasut <marek.vasut@gmail.com> | 2011-01-15 13:11:16 -0500 |
---|---|---|
committer | Eric Miao <eric.y.miao@gmail.com> | 2011-03-16 04:32:46 -0400 |
commit | e27af7edda008d225ad542c3b6645483683a7e91 (patch) | |
tree | 75564362a6b20a98930c9e01594ffda33153e3d6 /drivers | |
parent | 235a175c401ab2d79d63f08257acebe1558a0621 (diff) |
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')
-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 @@ | |||
22 | 22 | ||
23 | #include "soc_common.h" | 23 | #include "soc_common.h" |
24 | 24 | ||
25 | static struct gpio vpac270_pcmcia_gpios[] = { | ||
26 | { GPIO84_VPAC270_PCMCIA_CD, GPIOF_IN, "PCMCIA Card Detect" }, | ||
27 | { GPIO35_VPAC270_PCMCIA_RDY, GPIOF_IN, "PCMCIA Ready" }, | ||
28 | { GPIO107_VPAC270_PCMCIA_PPEN, GPIOF_INIT_LOW, "PCMCIA PPEN" }, | ||
29 | { GPIO11_VPAC270_PCMCIA_RESET, GPIOF_INIT_LOW, "PCMCIA Reset" }, | ||
30 | }; | ||
31 | |||
32 | static struct gpio vpac270_cf_gpios[] = { | ||
33 | { GPIO17_VPAC270_CF_CD, GPIOF_IN, "CF Card Detect" }, | ||
34 | { GPIO12_VPAC270_CF_RDY, GPIOF_IN, "CF Ready" }, | ||
35 | { GPIO16_VPAC270_CF_RESET, GPIOF_INIT_LOW, "CF Reset" }, | ||
36 | }; | ||
37 | |||
25 | static struct pcmcia_irqs cd_irqs[] = { | 38 | static struct pcmcia_irqs cd_irqs[] = { |
26 | { | 39 | { |
27 | .sock = 0, | 40 | .sock = 0, |
@@ -40,96 +53,34 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) | |||
40 | int ret; | 53 | int ret; |
41 | 54 | ||
42 | if (skt->nr == 0) { | 55 | if (skt->nr == 0) { |
43 | ret = gpio_request(GPIO84_VPAC270_PCMCIA_CD, "PCMCIA CD"); | 56 | ret = gpio_request_array(vpac270_pcmcia_gpios, |
44 | if (ret) | 57 | ARRAY_SIZE(vpac270_pcmcia_gpios)); |
45 | goto err1; | ||
46 | ret = gpio_direction_input(GPIO84_VPAC270_PCMCIA_CD); | ||
47 | if (ret) | ||
48 | goto err2; | ||
49 | |||
50 | ret = gpio_request(GPIO35_VPAC270_PCMCIA_RDY, "PCMCIA RDY"); | ||
51 | if (ret) | ||
52 | goto err2; | ||
53 | ret = gpio_direction_input(GPIO35_VPAC270_PCMCIA_RDY); | ||
54 | if (ret) | ||
55 | goto err3; | ||
56 | |||
57 | ret = gpio_request(GPIO107_VPAC270_PCMCIA_PPEN, "PCMCIA PPEN"); | ||
58 | if (ret) | ||
59 | goto err3; | ||
60 | ret = gpio_direction_output(GPIO107_VPAC270_PCMCIA_PPEN, 0); | ||
61 | if (ret) | ||
62 | goto err4; | ||
63 | |||
64 | ret = gpio_request(GPIO11_VPAC270_PCMCIA_RESET, "PCMCIA RESET"); | ||
65 | if (ret) | ||
66 | goto err4; | ||
67 | ret = gpio_direction_output(GPIO11_VPAC270_PCMCIA_RESET, 0); | ||
68 | if (ret) | ||
69 | goto err5; | ||
70 | 58 | ||
71 | skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY); | 59 | skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY); |
72 | 60 | ||
73 | return soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1); | 61 | if (!ret) |
74 | 62 | ret = soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1); | |
75 | err5: | ||
76 | gpio_free(GPIO11_VPAC270_PCMCIA_RESET); | ||
77 | err4: | ||
78 | gpio_free(GPIO107_VPAC270_PCMCIA_PPEN); | ||
79 | err3: | ||
80 | gpio_free(GPIO35_VPAC270_PCMCIA_RDY); | ||
81 | err2: | ||
82 | gpio_free(GPIO84_VPAC270_PCMCIA_CD); | ||
83 | err1: | ||
84 | return ret; | ||
85 | |||
86 | } else { | 63 | } else { |
87 | ret = gpio_request(GPIO17_VPAC270_CF_CD, "CF CD"); | 64 | ret = gpio_request_array(vpac270_cf_gpios, |
88 | if (ret) | 65 | ARRAY_SIZE(vpac270_cf_gpios)); |
89 | goto err6; | ||
90 | ret = gpio_direction_input(GPIO17_VPAC270_CF_CD); | ||
91 | if (ret) | ||
92 | goto err7; | ||
93 | |||
94 | ret = gpio_request(GPIO12_VPAC270_CF_RDY, "CF RDY"); | ||
95 | if (ret) | ||
96 | goto err7; | ||
97 | ret = gpio_direction_input(GPIO12_VPAC270_CF_RDY); | ||
98 | if (ret) | ||
99 | goto err8; | ||
100 | |||
101 | ret = gpio_request(GPIO16_VPAC270_CF_RESET, "CF RESET"); | ||
102 | if (ret) | ||
103 | goto err8; | ||
104 | ret = gpio_direction_output(GPIO16_VPAC270_CF_RESET, 0); | ||
105 | if (ret) | ||
106 | goto err9; | ||
107 | 66 | ||
108 | skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY); | 67 | skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY); |
109 | 68 | ||
110 | return soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1); | 69 | if (!ret) |
111 | 70 | ret = soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1); | |
112 | err9: | ||
113 | gpio_free(GPIO16_VPAC270_CF_RESET); | ||
114 | err8: | ||
115 | gpio_free(GPIO12_VPAC270_CF_RDY); | ||
116 | err7: | ||
117 | gpio_free(GPIO17_VPAC270_CF_CD); | ||
118 | err6: | ||
119 | return ret; | ||
120 | |||
121 | } | 71 | } |
72 | |||
73 | return ret; | ||
122 | } | 74 | } |
123 | 75 | ||
124 | static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) | 76 | static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) |
125 | { | 77 | { |
126 | gpio_free(GPIO11_VPAC270_PCMCIA_RESET); | 78 | if (skt->nr == 0) |
127 | gpio_free(GPIO107_VPAC270_PCMCIA_PPEN); | 79 | gpio_request_array(vpac270_pcmcia_gpios, |
128 | gpio_free(GPIO35_VPAC270_PCMCIA_RDY); | 80 | ARRAY_SIZE(vpac270_pcmcia_gpios)); |
129 | gpio_free(GPIO84_VPAC270_PCMCIA_CD); | 81 | else |
130 | gpio_free(GPIO16_VPAC270_CF_RESET); | 82 | gpio_request_array(vpac270_cf_gpios, |
131 | gpio_free(GPIO12_VPAC270_CF_RDY); | 83 | ARRAY_SIZE(vpac270_cf_gpios)); |
132 | gpio_free(GPIO17_VPAC270_CF_CD); | ||
133 | } | 84 | } |
134 | 85 | ||
135 | static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, | 86 | static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, |