[PATCH] fix pata-rb532-cf
From: Phil Sutter <hidden>
Date: 2008-11-01 18:09:38
Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
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 <redacted> --- drivers/ata/pata_rb532_cf.c | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index f8b3ffc..7b11f40 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c@@ -31,6 +31,7 @@ #include <scsi/scsi_host.h> #include <asm/gpio.h> +#include <asm/mach-rc32434/gpio.h> #define DRV_NAME "pata-rb532-cf" #define DRV_VERSION "0.1.0"
@@ -39,7 +40,8 @@ #define RB500_CF_MAXPORTS 1 #define RB500_CF_IO_DELAY 400 -#define RB500_CF_REG_CMD 0x0800 +#define RB500_CF_REG_BASE 0x0800 +#define RB500_CF_REG_ERR 0x080D #define RB500_CF_REG_CTRL 0x080E #define RB500_CF_REG_DATA 0x0C00
@@ -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); } + rb532_gpio_set_istat(0, info->gpio_line); + return IRQ_HANDLED; }
@@ -146,13 +150,14 @@ static void rb532_pata_setup_ports(struct ata_host *ah) ap->pio_mask = 0x1f; /* PIO4 */ ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; - ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_CMD; + ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_BASE; ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL; ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL; ata_sff_std_ports(&ap->ioaddr); ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA; + ap->ioaddr.error_addr = info->iobase + RB500_CF_REG_ERR; } static __devinit int rb532_pata_driver_probe(struct platform_device *pdev)
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1.5.6.4