From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/hsi/controllers/omap_ssi_port.c | 47 +++++++++++------------------------------------
1 files changed, 11 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/hsi/controllers/omap_ssi_port.c b/kernel/drivers/hsi/controllers/omap_ssi_port.c
index 2ada82d..b9495b7 100644
--- a/kernel/drivers/hsi/controllers/omap_ssi_port.c
+++ b/kernel/drivers/hsi/controllers/omap_ssi_port.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* OMAP SSI port driver.
*
* Copyright (C) 2010 Nokia Corporation. All rights reserved.
* Copyright (C) 2014 Sebastian Reichel <sre@kernel.org>
*
* Contact: Carlos Chinea <carlos.chinea@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
*/
#include <linux/mod_devicetable.h>
@@ -57,7 +44,7 @@
debugfs_remove_recursive(omap_port->dir);
}
-static int ssi_debug_port_show(struct seq_file *m, void *p __maybe_unused)
+static int ssi_port_regs_show(struct seq_file *m, void *p __maybe_unused)
{
struct hsi_port *port = m->private;
struct omap_ssi_port *omap_port = hsi_port_drvdata(port);
@@ -132,17 +119,7 @@
return 0;
}
-static int ssi_port_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ssi_debug_port_show, inode->i_private);
-}
-
-static const struct file_operations ssi_port_regs_fops = {
- .open = ssi_port_regs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ssi_port_regs);
static int ssi_div_get(void *data, u64 *val)
{
@@ -172,7 +149,7 @@
return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(ssi_sst_div_fops, ssi_div_get, ssi_div_set, "%llu\n");
+DEFINE_DEBUGFS_ATTRIBUTE(ssi_sst_div_fops, ssi_div_get, ssi_div_set, "%llu\n");
static int ssi_debug_add_port(struct omap_ssi_port *omap_port,
struct dentry *dir)
@@ -187,8 +164,8 @@
dir = debugfs_create_dir("sst", dir);
if (!dir)
return -ENOMEM;
- debugfs_create_file("divisor", S_IRUGO | S_IWUSR, dir, port,
- &ssi_sst_div_fops);
+ debugfs_create_file_unsafe("divisor", 0644, dir, port,
+ &ssi_sst_div_fops);
return 0;
}
@@ -253,10 +230,10 @@
if (msg->ttype == HSI_MSG_READ) {
err = dma_map_sg(&ssi->device, msg->sgt.sgl, msg->sgt.nents,
DMA_FROM_DEVICE);
- if (err < 0) {
+ if (!err) {
dev_dbg(&ssi->device, "DMA map SG failed !\n");
pm_runtime_put_autosuspend(omap_port->pdev);
- return err;
+ return -EIO;
}
csdp = SSI_DST_BURST_4x32_BIT | SSI_DST_MEMORY_PORT |
SSI_SRC_SINGLE_ACCESS0 | SSI_SRC_PERIPHERAL_PORT |
@@ -270,10 +247,10 @@
} else {
err = dma_map_sg(&ssi->device, msg->sgt.sgl, msg->sgt.nents,
DMA_TO_DEVICE);
- if (err < 0) {
+ if (!err) {
dev_dbg(&ssi->device, "DMA map SG failed !\n");
pm_runtime_put_autosuspend(omap_port->pdev);
- return err;
+ return -EIO;
}
csdp = SSI_SRC_BURST_4x32_BIT | SSI_SRC_MEMORY_PORT |
SSI_DST_SINGLE_ACCESS0 | SSI_DST_PERIPHERAL_PORT |
@@ -1061,10 +1038,8 @@
int err;
err = platform_get_irq(pd, 0);
- if (err < 0) {
- dev_err(&port->device, "Port IRQ resource missing\n");
+ if (err < 0)
return err;
- }
omap_port->irq = err;
err = devm_request_threaded_irq(&port->device, omap_port->irq, NULL,
ssi_pio_thread, IRQF_ONESHOT, "SSI PORT", port);
--
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