diff options
Diffstat (limited to 'target/linux/rb532/patches-2.6.27/004-fix_pata_rb532_cf.patch')
| -rw-r--r-- | target/linux/rb532/patches-2.6.27/004-fix_pata_rb532_cf.patch | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/target/linux/rb532/patches-2.6.27/004-fix_pata_rb532_cf.patch b/target/linux/rb532/patches-2.6.27/004-fix_pata_rb532_cf.patch deleted file mode 100644 index 50dedefbe..000000000 --- a/target/linux/rb532/patches-2.6.27/004-fix_pata_rb532_cf.patch +++ /dev/null @@ -1,84 +0,0 @@ -After applying the following changes I could verify functionality by -mounting a filesystem on the cfdisk and reading/writing files in it. - -The set_irq_type() function must be wrong, as there is no set_type() -function defined for the rb532 IRQ chip. But as the used IRQ actually is -being triggered by a GPIO, setting it's interrupt level should be the -right alternative. Also to clear a GPIO triggered IRQ, the source has to -be cleared. This is being done at the end of rb532_pata_irq_handler. - -Signed-off-by: Phil Sutter <n0-1@freewrt.org> -Acked-by: Florian Fainelli <florian@openwrt.org> ---- - 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) --- -1.5.6.4 - - |