From 072de836f53be56a70cecf70b43ae43b7ce17376 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 10:08:36 +0000
Subject: [PATCH] mk-rootfs.sh
---
kernel/drivers/ata/libahci.c | 29 +++++++++--------------------
1 files changed, 9 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/ata/libahci.c b/kernel/drivers/ata/libahci.c
index f1153e7..055439e 100644
--- a/kernel/drivers/ata/libahci.c
+++ b/kernel/drivers/ata/libahci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* libahci.c - Common AHCI SATA low-level routines
*
@@ -7,29 +8,12 @@
*
* Copyright 2004-2005 Red Hat, Inc.
*
- *
- * 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, 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; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
* libata documentation is available via 'make {ps|pdf}docs',
* as Documentation/driver-api/libata.rst
*
* AHCI hardware documentation:
* http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
* http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
- *
*/
#include <linux/kernel.h>
@@ -507,6 +491,11 @@
if (!(cap & HOST_CAP_ALPM) && (hpriv->flags & AHCI_HFLAG_YES_ALPM)) {
dev_info(dev, "controller can do ALPM, turning on CAP_ALPM\n");
cap |= HOST_CAP_ALPM;
+ }
+
+ if ((cap & HOST_CAP_SXS) && (hpriv->flags & AHCI_HFLAG_NO_SXS)) {
+ dev_info(dev, "controller does not support SXS, disabling CAP_SXS\n");
+ cap &= ~HOST_CAP_SXS;
}
if (hpriv->force_port_map && port_map != hpriv->force_port_map) {
@@ -1465,7 +1454,7 @@
*class = ahci_dev_classify(ap);
/* re-enable FBS if disabled before */
- if (fbs_disabled)
+ if (fbs_disabled || (!ata_is_host_link(link) && pp->fbs_supported))
ahci_enable_fbs(ap);
DPRINTK("EXIT, class=%u\n", *class);
@@ -2382,7 +2371,6 @@
mem = dmam_alloc_coherent(dev, dma_sz, &mem_dma, GFP_KERNEL);
if (!mem)
return -ENOMEM;
- memset(mem, 0, dma_sz);
/*
* First item in chunk of DMA memory: 32-slot command table,
@@ -2600,7 +2588,8 @@
int rc;
if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) {
- if (hpriv->irq_handler)
+ if (hpriv->irq_handler &&
+ hpriv->irq_handler != ahci_single_level_irq_intr)
dev_warn(host->dev,
"both AHCI_HFLAG_MULTI_MSI flag set and custom irq handler implemented\n");
if (!hpriv->get_irq_vector) {
--
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