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52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
After applying the following changes I could verify functionality by
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mounting a filesystem on the cfdisk and reading/writing files in it.
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The set_irq_type() function must be wrong, as there is no set_type()
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function defined for the rb532 IRQ chip. But as the used IRQ actually is
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being triggered by a GPIO, setting it's interrupt level should be the
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right alternative. Also to clear a GPIO triggered IRQ, the source has to
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be cleared. This is being done at the end of rb532_pata_irq_handler.
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Signed-off-by: Phil Sutter <n0-1@freewrt.org>
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Acked-by: Florian Fainelli <florian@openwrt.org>
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---
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--- a/drivers/ata/pata_rb532_cf.c
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+++ b/drivers/ata/pata_rb532_cf.c
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@@ -31,6 +31,7 @@
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#include <scsi/scsi_host.h>
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#include <asm/gpio.h>
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+#include <asm/mach-rc32434/gpio.h>
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#define DRV_NAME "pata-rb532-cf"
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#define DRV_VERSION "0.1.0"
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@@ -63,8 +64,8 @@ static inline void rb532_pata_finish_io(
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ata_sff_sync might be sufficient. */
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ata_sff_dma_pause(ap);
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ndelay(RB500_CF_IO_DELAY);
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-
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- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
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+
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+ rb532_gpio_set_ilevel(1, info->gpio_line);
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}
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static void rb532_pata_exec_command(struct ata_port *ap,
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@@ -113,13 +114,15 @@ static irqreturn_t rb532_pata_irq_handle
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struct rb532_cf_info *info = ah->private_data;
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if (gpio_get_value(info->gpio_line)) {
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- set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
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+ rb532_gpio_set_ilevel(0, info->gpio_line);
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if (!info->frozen)
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ata_sff_interrupt(info->irq, dev_instance);
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} else {
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- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
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+ rb532_gpio_set_ilevel(1, info->gpio_line);
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}
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+ rb532_gpio_set_istat(0, info->gpio_line);
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+
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return IRQ_HANDLED;
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}
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