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/parport/parport_ip32.c | 150 +++++++++++++++++++++++---------------------------
1 files changed, 69 insertions(+), 81 deletions(-)
diff --git a/kernel/drivers/parport/parport_ip32.c b/kernel/drivers/parport/parport_ip32.c
index 6287307..48b084e 100644
--- a/kernel/drivers/parport/parport_ip32.c
+++ b/kernel/drivers/parport/parport_ip32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Low-level parallel port routines for built-in port on SGI IP32
*
* Author: Arnaud Giersch <arnaud.giersch@free.fr>
@@ -9,20 +10,6 @@
* Thanks to Ilya A. Volynets-Evenbakh for his help.
*
* Copyright (C) 2005, 2006 Arnaud Giersch.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Current status:
@@ -341,19 +328,19 @@
"TST", "CFG"};
unsigned int ecr = readb(priv->regs.ecr);
printk(KERN_DEBUG PPIP32 " ecr=0x%02x", ecr);
- printk(" %s",
- ecr_modes[(ecr & ECR_MODE_MASK) >> ECR_MODE_SHIFT]);
+ pr_cont(" %s",
+ ecr_modes[(ecr & ECR_MODE_MASK) >> ECR_MODE_SHIFT]);
if (ecr & ECR_nERRINTR)
- printk(",nErrIntrEn");
+ pr_cont(",nErrIntrEn");
if (ecr & ECR_DMAEN)
- printk(",dmaEn");
+ pr_cont(",dmaEn");
if (ecr & ECR_SERVINTR)
- printk(",serviceIntr");
+ pr_cont(",serviceIntr");
if (ecr & ECR_F_FULL)
- printk(",f_full");
+ pr_cont(",f_full");
if (ecr & ECR_F_EMPTY)
- printk(",f_empty");
- printk("\n");
+ pr_cont(",f_empty");
+ pr_cont("\n");
}
if (show_ecp_config) {
unsigned int oecr, cnfgA, cnfgB;
@@ -365,52 +352,53 @@
writeb(ECR_MODE_PS2, priv->regs.ecr);
writeb(oecr, priv->regs.ecr);
printk(KERN_DEBUG PPIP32 " cnfgA=0x%02x", cnfgA);
- printk(" ISA-%s", (cnfgA & CNFGA_IRQ) ? "Level" : "Pulses");
+ pr_cont(" ISA-%s", (cnfgA & CNFGA_IRQ) ? "Level" : "Pulses");
switch (cnfgA & CNFGA_ID_MASK) {
case CNFGA_ID_8:
- printk(",8 bits");
+ pr_cont(",8 bits");
break;
case CNFGA_ID_16:
- printk(",16 bits");
+ pr_cont(",16 bits");
break;
case CNFGA_ID_32:
- printk(",32 bits");
+ pr_cont(",32 bits");
break;
default:
- printk(",unknown ID");
+ pr_cont(",unknown ID");
break;
}
if (!(cnfgA & CNFGA_nBYTEINTRANS))
- printk(",ByteInTrans");
+ pr_cont(",ByteInTrans");
if ((cnfgA & CNFGA_ID_MASK) != CNFGA_ID_8)
- printk(",%d byte%s left", cnfgA & CNFGA_PWORDLEFT,
- ((cnfgA & CNFGA_PWORDLEFT) > 1) ? "s" : "");
- printk("\n");
+ pr_cont(",%d byte%s left",
+ cnfgA & CNFGA_PWORDLEFT,
+ ((cnfgA & CNFGA_PWORDLEFT) > 1) ? "s" : "");
+ pr_cont("\n");
printk(KERN_DEBUG PPIP32 " cnfgB=0x%02x", cnfgB);
- printk(" irq=%u,dma=%u",
- (cnfgB & CNFGB_IRQ_MASK) >> CNFGB_IRQ_SHIFT,
- (cnfgB & CNFGB_DMA_MASK) >> CNFGB_DMA_SHIFT);
- printk(",intrValue=%d", !!(cnfgB & CNFGB_INTRVAL));
+ pr_cont(" irq=%u,dma=%u",
+ (cnfgB & CNFGB_IRQ_MASK) >> CNFGB_IRQ_SHIFT,
+ (cnfgB & CNFGB_DMA_MASK) >> CNFGB_DMA_SHIFT);
+ pr_cont(",intrValue=%d", !!(cnfgB & CNFGB_INTRVAL));
if (cnfgB & CNFGB_COMPRESS)
- printk(",compress");
- printk("\n");
+ pr_cont(",compress");
+ pr_cont("\n");
}
for (i = 0; i < 2; i++) {
unsigned int dcr = i ? priv->dcr_cache : readb(priv->regs.dcr);
printk(KERN_DEBUG PPIP32 " dcr(%s)=0x%02x",
i ? "soft" : "hard", dcr);
- printk(" %s", (dcr & DCR_DIR) ? "rev" : "fwd");
+ pr_cont(" %s", (dcr & DCR_DIR) ? "rev" : "fwd");
if (dcr & DCR_IRQ)
- printk(",ackIntEn");
+ pr_cont(",ackIntEn");
if (!(dcr & DCR_SELECT))
- printk(",nSelectIn");
+ pr_cont(",nSelectIn");
if (dcr & DCR_nINIT)
- printk(",nInit");
+ pr_cont(",nInit");
if (!(dcr & DCR_AUTOFD))
- printk(",nAutoFD");
+ pr_cont(",nAutoFD");
if (!(dcr & DCR_STROBE))
- printk(",nStrobe");
- printk("\n");
+ pr_cont(",nStrobe");
+ pr_cont("\n");
}
#define sep (f++ ? ',' : ' ')
{
@@ -418,20 +406,20 @@
unsigned int dsr = readb(priv->regs.dsr);
printk(KERN_DEBUG PPIP32 " dsr=0x%02x", dsr);
if (!(dsr & DSR_nBUSY))
- printk("%cBusy", sep);
+ pr_cont("%cBusy", sep);
if (dsr & DSR_nACK)
- printk("%cnAck", sep);
+ pr_cont("%cnAck", sep);
if (dsr & DSR_PERROR)
- printk("%cPError", sep);
+ pr_cont("%cPError", sep);
if (dsr & DSR_SELECT)
- printk("%cSelect", sep);
+ pr_cont("%cSelect", sep);
if (dsr & DSR_nFAULT)
- printk("%cnFault", sep);
+ pr_cont("%cnFault", sep);
if (!(dsr & DSR_nPRINT))
- printk("%c(Print)", sep);
+ pr_cont("%c(Print)", sep);
if (dsr & DSR_TIMEOUT)
- printk("%cTimeout", sep);
- printk("\n");
+ pr_cont("%cTimeout", sep);
+ pr_cont("\n");
}
#undef sep
}
@@ -568,6 +556,7 @@
/**
* parport_ip32_dma_start - begins a DMA transfer
+ * @p: partport to work on
* @dir: DMA direction: DMA_TO_DEVICE or DMA_FROM_DEVICE
* @addr: pointer to data buffer
* @count: buffer size
@@ -575,8 +564,8 @@
* Calls to parport_ip32_dma_start() and parport_ip32_dma_stop() must be
* correctly balanced.
*/
-static int parport_ip32_dma_start(enum dma_data_direction dir,
- void *addr, size_t count)
+static int parport_ip32_dma_start(struct parport *p,
+ enum dma_data_direction dir, void *addr, size_t count)
{
unsigned int limit;
u64 ctrl;
@@ -601,7 +590,7 @@
/* Prepare DMA pointers */
parport_ip32_dma.dir = dir;
- parport_ip32_dma.buf = dma_map_single(NULL, addr, count, dir);
+ parport_ip32_dma.buf = dma_map_single(&p->bus_dev, addr, count, dir);
parport_ip32_dma.len = count;
parport_ip32_dma.next = parport_ip32_dma.buf;
parport_ip32_dma.left = parport_ip32_dma.len;
@@ -625,11 +614,12 @@
/**
* parport_ip32_dma_stop - ends a running DMA transfer
+ * @p: partport to work on
*
* Calls to parport_ip32_dma_start() and parport_ip32_dma_stop() must be
* correctly balanced.
*/
-static void parport_ip32_dma_stop(void)
+static void parport_ip32_dma_stop(struct parport *p)
{
u64 ctx_a;
u64 ctx_b;
@@ -685,8 +675,8 @@
enable_irq(MACEISA_PAR_CTXB_IRQ);
parport_ip32_dma.irq_on = 1;
- dma_unmap_single(NULL, parport_ip32_dma.buf, parport_ip32_dma.len,
- parport_ip32_dma.dir);
+ dma_unmap_single(&p->bus_dev, parport_ip32_dma.buf,
+ parport_ip32_dma.len, parport_ip32_dma.dir);
}
/**
@@ -1348,9 +1338,8 @@
ecr = parport_ip32_read_econtrol(p);
if ((ecr & ECR_F_EMPTY) && !(ecr & ECR_SERVINTR)
&& !lost_interrupt) {
- printk(KERN_WARNING PPIP32
- "%s: lost interrupt in %s\n",
- p->name, __func__);
+ pr_warn(PPIP32 "%s: lost interrupt in %s\n",
+ p->name, __func__);
lost_interrupt = 1;
}
}
@@ -1445,7 +1434,7 @@
priv->irq_mode = PARPORT_IP32_IRQ_HERE;
- parport_ip32_dma_start(DMA_TO_DEVICE, (void *)buf, len);
+ parport_ip32_dma_start(p, DMA_TO_DEVICE, (void *)buf, len);
reinit_completion(&priv->irq_complete);
parport_ip32_frob_econtrol(p, ECR_DMAEN | ECR_SERVINTR, ECR_DMAEN);
@@ -1461,7 +1450,7 @@
if (ecr & ECR_SERVINTR)
break; /* DMA transfer just finished */
}
- parport_ip32_dma_stop();
+ parport_ip32_dma_stop(p);
written = len - parport_ip32_dma_get_residue();
priv->irq_mode = PARPORT_IP32_IRQ_FWD;
@@ -1654,8 +1643,8 @@
DSR_nBUSY | DSR_nFAULT)) {
/* Avoid to flood the logs */
if (ready_before)
- printk(KERN_INFO PPIP32 "%s: not ready in %s\n",
- p->name, __func__);
+ pr_info(PPIP32 "%s: not ready in %s\n",
+ p->name, __func__);
ready_before = 0;
goto stop;
}
@@ -1715,7 +1704,7 @@
/* Event 49: PError goes high. */
if (parport_wait_peripheral(p, DSR_PERROR, DSR_PERROR)) {
- printk(KERN_DEBUG PPIP32 "%s: PError timeout in %s",
+ printk(KERN_DEBUG PPIP32 "%s: PError timeout in %s\n",
p->name, __func__);
physport->ieee1284.phase = IEEE1284_PH_ECP_DIR_UNKNOWN;
return 0;
@@ -1735,8 +1724,8 @@
DSR_nBUSY | DSR_nFAULT)) {
/* Avoid to flood the logs */
if (ready_before)
- printk(KERN_INFO PPIP32 "%s: not ready in %s\n",
- p->name, __func__);
+ pr_info(PPIP32 "%s: not ready in %s\n",
+ p->name, __func__);
ready_before = 0;
goto stop;
}
@@ -2075,8 +2064,7 @@
p->modes |= PARPORT_MODE_TRISTATE;
if (!parport_ip32_fifo_supported(p)) {
- printk(KERN_WARNING PPIP32
- "%s: error: FIFO disabled\n", p->name);
+ pr_warn(PPIP32 "%s: error: FIFO disabled\n", p->name);
/* Disable hardware modes depending on a working FIFO. */
features &= ~PARPORT_IP32_ENABLE_SPP;
features &= ~PARPORT_IP32_ENABLE_ECP;
@@ -2088,8 +2076,7 @@
if (features & PARPORT_IP32_ENABLE_IRQ) {
int irq = MACEISA_PARALLEL_IRQ;
if (request_irq(irq, parport_ip32_interrupt, 0, p->name, p)) {
- printk(KERN_WARNING PPIP32
- "%s: error: IRQ disabled\n", p->name);
+ pr_warn(PPIP32 "%s: error: IRQ disabled\n", p->name);
/* DMA cannot work without interrupts. */
features &= ~PARPORT_IP32_ENABLE_DMA;
} else {
@@ -2102,8 +2089,7 @@
/* Allocate DMA resources */
if (features & PARPORT_IP32_ENABLE_DMA) {
if (parport_ip32_dma_register())
- printk(KERN_WARNING PPIP32
- "%s: error: DMA disabled\n", p->name);
+ pr_warn(PPIP32 "%s: error: DMA disabled\n", p->name);
else {
pr_probe(p, "DMA support enabled\n");
p->dma = 0; /* arbitrary value != PARPORT_DMA_NONE */
@@ -2145,13 +2131,15 @@
parport_ip32_dump_state(p, "end init", 0);
/* Print out what we found */
- printk(KERN_INFO "%s: SGI IP32 at 0x%lx (0x%lx)",
- p->name, p->base, p->base_hi);
+ pr_info("%s: SGI IP32 at 0x%lx (0x%lx)", p->name, p->base, p->base_hi);
if (p->irq != PARPORT_IRQ_NONE)
- printk(", irq %d", p->irq);
- printk(" [");
-#define printmode(x) if (p->modes & PARPORT_MODE_##x) \
- printk("%s%s", f++ ? "," : "", #x)
+ pr_cont(", irq %d", p->irq);
+ pr_cont(" [");
+#define printmode(x) \
+do { \
+ if (p->modes & PARPORT_MODE_##x) \
+ pr_cont("%s%s", f++ ? "," : "", #x); \
+} while (0)
{
unsigned int f = 0;
printmode(PCSPP);
@@ -2162,7 +2150,7 @@
printmode(DMA);
}
#undef printmode
- printk("]\n");
+ pr_cont("]\n");
parport_announce_port(p);
return p;
--
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