Hello.
Phil Sutter wrote:
After applying the following changes I could verify functionality by
mounting a filesystem on the cfdisk and reading/writing files in it.
The symbols rb532_gpio_set_ilevel and rb532_gpio_set_istat are not yet
available in a vanilla kernel, an appropriate patch has already been
sent to the linux-mips mailinglist.
Signed-off-by: Phil Sutter <n0-1@xxxxxxxxxxx>
[...]
@@ -62,7 +64,7 @@ static inline void rb532_pata_finish_io(struct ata_port *ap)
ata_sff_dma_pause(ap);
ndelay(RB500_CF_IO_DELAY);
- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+ rb532_gpio_set_ilevel(1, info->gpio_line);
}
static void rb532_pata_exec_command(struct ata_port *ap,
@@ -109,13 +111,15 @@ static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance)
struct rb532_cf_info *info = ah->private_data;
if (gpio_get_value(info->gpio_line)) {
- set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
+ rb532_gpio_set_ilevel(0, info->gpio_line);
if (!info->frozen)
ata_sff_interrupt(info->irq, dev_instance);
} else {
- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+ rb532_gpio_set_ilevel(1, info->gpio_line);
I wonder why is this IRQ level switching magic is necessary... I'd
think that the interrupt trigger level should be programmed only once,
at init time. Ah, you're masking them on/off that way...
MBR, Sergei
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