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Add support for Linux kernel 6.4 #2

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Add support for Linux kernel 6.4 #2

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0b2ddc2
DEFINE_SEMAPHORE: use new signature for kernel >= 6.4.0
Adrien-Atmosphere Mar 18, 2024
d7aba17
class_create: use new signature for kernel >= 6.4.0
Adrien-Atmosphere Mar 18, 2024
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8 changes: 7 additions & 1 deletion csr/os_linux/driver/drv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,9 @@ static void udi_set_log_filter(ul_client_t *pcli,


/* Mutex to protect access to priv->sme_cli */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
DEFINE_SEMAPHORE(udi_mutex,1);
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)
DEFINE_SEMAPHORE(udi_mutex);
#else
DECLARE_MUTEX(udi_mutex);
Expand Down Expand Up @@ -2132,7 +2134,11 @@ uf_create_debug_device(struct file_operations *fops)
}

/* Create a UniFi class */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
unifi_class = class_create(UNIFI_NAME);
#else
unifi_class = class_create(THIS_MODULE, UNIFI_NAME);
#endif
if (IS_ERR(unifi_class)) {
unifi_error(NULL, "Failed to create UniFi class\n");

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4 changes: 3 additions & 1 deletion csr/os_linux/driver/io.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,9 @@ static int In_use[MAX_UNIFI_DEVS];
* Mutex to prevent UDI clients to open the character device before the priv
* is created and initialised.
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
DEFINE_SEMAPHORE(Unifi_instance_mutex,1);
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)
DEFINE_SEMAPHORE(Unifi_instance_mutex);
#else
DECLARE_MUTEX(Unifi_instance_mutex);
Expand Down