Don't access any GPMC registers here. Use gpmc_generic_init()
to pass GPMC Chip Select settings, platform device and platform data
to the GPMC driver.
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
arch/arm/mach-omap2/gpmc-smc91x.c | 50 +++++++++++++++------------------------
1 file changed, 19 insertions(+), 31 deletions(-)
diff --git a/arch/arm/mach-omap2/gpmc-smc91x.c b/arch/arm/mach-omap2/gpmc-smc91x.c
index 7f5d84a..4ac0d4d 100644
--- a/arch/arm/mach-omap2/gpmc-smc91x.c
+++ b/arch/arm/mach-omap2/gpmc-smc91x.c
@@ -25,8 +25,11 @@
static struct omap_smc91x_platform_data *gpmc_cfg;
static struct resource gpmc_smc91x_resources[] = {
+/* GPMC driver will fixup the 1st memory resource, see gpmc_probe_legacy () */
[0] = {
.flags = IORESOURCE_MEM,
+ .start = 0,
+ .end = 0xf,
},
[1] = {
.flags = IORESOURCE_IRQ,
@@ -92,21 +95,11 @@ static void smc91c96_get_device_timing(struct gpmc_device_timings *dev_t)
*/
void __init gpmc_smc91x_init(struct omap_smc91x_platform_data *board_data)
{
- unsigned long cs_mem_base;
int ret;
struct gpmc_device_timings dev_t;
gpmc_cfg = board_data;
- if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) {
- printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
- return;
- }
-
- gpmc_smc91x_resources[0].start = cs_mem_base + 0x300;
- gpmc_smc91x_resources[0].end = cs_mem_base + 0x30f;
- gpmc_smc91x_resources[1].flags |= (gpmc_cfg->flags & IRQF_TRIGGER_MASK);
-
if (gpmc_cfg->flags & GPMC_MUX_ADD_DATA)
smc91x_settings.mux_add_data = GPMC_MUX_AD;
if (gpmc_cfg->flags & GPMC_READ_MON)
@@ -115,34 +108,24 @@ void __init gpmc_smc91x_init(struct omap_smc91x_platform_data *board_data)
smc91x_settings.wait_on_write = true;
if (gpmc_cfg->wait_pin)
smc91x_settings.wait_pin = gpmc_cfg->wait_pin;
- ret = gpmc_cs_program_settings(gpmc_cfg->cs, &smc91x_settings);
- if (ret < 0)
- goto free1;
-
- if (gpmc_cfg->flags & GPMC_TIMINGS_SMC91C96) {
- struct gpmc_timings gpmc_t;
+ if (gpmc_cfg->flags & GPMC_TIMINGS_SMC91C96)
smc91c96_get_device_timing(&dev_t);
- gpmc_calc_timings(&gpmc_t, &smc91x_settings, &dev_t);
- if (gpmc_cs_set_timings(gpmc_cfg->cs, &gpmc_t)) {
- pr_err("%s: failed to set GPMC timings\n", __func__);
- goto free1;
- }
- }
if (gpio_request_one(gpmc_cfg->gpio_irq, GPIOF_IN, "SMC91X irq") < 0)
goto free1;
gpmc_smc91x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq);
+ gpmc_smc91x_resources[1].flags |= (gpmc_cfg->flags & IRQF_TRIGGER_MASK);
- if (gpmc_cfg->gpio_pwrdwn) {
+ if (gpio_is_valid(gpmc_cfg->gpio_pwrdwn)) {
ret = gpio_request_one(gpmc_cfg->gpio_pwrdwn,
GPIOF_OUT_INIT_LOW, "SMC91X powerdown");
if (ret)
goto free2;
}
- if (gpmc_cfg->gpio_reset) {
+ if (gpio_is_valid(gpmc_cfg->gpio_reset)) {
ret = gpio_request_one(gpmc_cfg->gpio_reset,
GPIOF_OUT_INIT_LOW, "SMC91X reset");
if (ret)
@@ -153,21 +136,26 @@ void __init gpmc_smc91x_init(struct omap_smc91x_platform_data *board_data)
gpio_set_value(gpmc_cfg->gpio_reset, 0);
}
- if (platform_device_register(&gpmc_smc91x_device) < 0) {
- printk(KERN_ERR "Unable to register smc91x device\n");
- gpio_free(gpmc_cfg->gpio_reset);
- goto free3;
+ ret = gpmc_generic_init(gpmc_cfg->cs, false,
+ &smc91x_settings,
+ gpmc_cfg->flags & GPMC_TIMINGS_SMC91C96 ?
+ &dev_t : NULL, NULL,
+ &gpmc_smc91x_device, sizeof(gpmc_smc91x_info));
+ if (ret) {
+ pr_err("%s: gpmc_generic_init() failed %d\n", __func__, ret);
+ goto free4;
}
return;
+free4:
+ if (gpio_is_valid(gpmc_cfg->gpio_reset))
+ gpio_free(gpmc_cfg->gpio_reset);
free3:
- if (gpmc_cfg->gpio_pwrdwn)
+ if (gpio_is_valid(gpmc_cfg->gpio_pwrdwn))
gpio_free(gpmc_cfg->gpio_pwrdwn);
free2:
gpio_free(gpmc_cfg->gpio_irq);
free1:
- gpmc_cs_free(gpmc_cfg->cs);
-
printk(KERN_ERR "Could not initialize smc91x\n");
}
--
1.8.3.2
--
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