From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/ata/pata_platform.c | 24 +++++++++++++-----------
1 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/kernel/drivers/ata/pata_platform.c b/kernel/drivers/ata/pata_platform.c
index d6f8f54..5aba691 100644
--- a/kernel/drivers/ata/pata_platform.c
+++ b/kernel/drivers/ata/pata_platform.c
@@ -47,13 +47,6 @@
ATA_PIO_SHT(DRV_NAME),
};
-static struct ata_port_operations pata_platform_port_ops = {
- .inherits = &ata_sff_port_ops,
- .sff_data_xfer = ata_sff_data_xfer32,
- .cable_detect = ata_cable_unknown,
- .set_mode = pata_platform_set_mode,
-};
-
static void pata_platform_setup_port(struct ata_ioports *ioaddr,
unsigned int shift)
{
@@ -79,6 +72,7 @@
* @ioport_shift: I/O port shift
* @__pio_mask: PIO mask
* @sht: scsi_host_template to use when registering
+ * @use16bit: Flag to indicate 16-bit IO instead of 32-bit
*
* Register a platform bus IDE interface. Such interfaces are PIO and we
* assume do not support IRQ sharing.
@@ -101,7 +95,7 @@
int __pata_platform_probe(struct device *dev, struct resource *io_res,
struct resource *ctl_res, struct resource *irq_res,
unsigned int ioport_shift, int __pio_mask,
- struct scsi_host_template *sht)
+ struct scsi_host_template *sht, bool use16bit)
{
struct ata_host *host;
struct ata_port *ap;
@@ -120,7 +114,7 @@
*/
if (irq_res && irq_res->start > 0) {
irq = irq_res->start;
- irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
+ irq_flags = (irq_res->flags & IRQF_TRIGGER_MASK) | IRQF_SHARED;
}
/*
@@ -131,7 +125,15 @@
return -ENOMEM;
ap = host->ports[0];
- ap->ops = &pata_platform_port_ops;
+ ap->ops = devm_kzalloc(dev, sizeof(*ap->ops), GFP_KERNEL);
+ ap->ops->inherits = &ata_sff_port_ops;
+ ap->ops->cable_detect = ata_cable_unknown;
+ ap->ops->set_mode = pata_platform_set_mode;
+ if (use16bit)
+ ap->ops->sff_data_xfer = ata_sff_data_xfer;
+ else
+ ap->ops->sff_data_xfer = ata_sff_data_xfer32;
+
ap->pio_mask = __pio_mask;
ap->flags |= ATA_FLAG_SLAVE_POSS;
@@ -218,7 +220,7 @@
return __pata_platform_probe(&pdev->dev, io_res, ctl_res, irq_res,
pp_info ? pp_info->ioport_shift : 0,
- pio_mask, &pata_platform_sht);
+ pio_mask, &pata_platform_sht, false);
}
static struct platform_driver pata_platform_driver = {
--
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