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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/media/atomisp/pci/sh_css_host_data.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/media/atomisp/pci/sh_css_host_data.c')
-rw-r--r--drivers/staging/media/atomisp/pci/sh_css_host_data.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/sh_css_host_data.c b/drivers/staging/media/atomisp/pci/sh_css_host_data.c
new file mode 100644
index 000000000..39a9b9812
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/sh_css_host_data.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+#include <linux/slab.h>
+#include <ia_css_host_data.h>
+#include <sh_css_internal.h>
+
+struct ia_css_host_data *ia_css_host_data_allocate(size_t size)
+{
+ struct ia_css_host_data *me;
+
+ me = kmalloc(sizeof(struct ia_css_host_data), GFP_KERNEL);
+ if (!me)
+ return NULL;
+ me->size = (uint32_t)size;
+ me->address = kvmalloc(size, GFP_KERNEL);
+ if (!me->address) {
+ kfree(me);
+ return NULL;
+ }
+ return me;
+}
+
+void ia_css_host_data_free(struct ia_css_host_data *me)
+{
+ if (me) {
+ kvfree(me->address);
+ me->address = NULL;
+ kfree(me);
+ }
+}