From: Dominik Brodowski <linux@dominikbrodowski.net>
Date: Mon, 27 Jun 2005 23:28:05 +0000 (-0700)
Subject: [PATCH] pcmcia: hotplug event for PCMCIA socket devices
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3ee13937525f6044d769b1a84d5db5669ac1959e;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[PATCH] pcmcia: hotplug event for PCMCIA socket devices

Generate hotplug event for PCMCIA sockets being registered.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 48e4f04530d..fec9e030473 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -1866,6 +1866,21 @@ int pcmcia_insert_card(struct pcmcia_socket *skt)
 	return ret;
 } /* insert_card */
 
+static int pcmcia_socket_hotplug(struct class_device *dev, char **envp,
+				int num_envp, char *buffer, int buffer_size)
+{
+	struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
+	int i = 0, length = 0;
+
+	if (add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size,
+				&length, "SOCKET_NO=%u", s->sock))
+		return -ENOMEM;
+
+	envp[i] = NULL;
+
+	return 0;
+}
+
 /*======================================================================
 
     OS-specific module glue goes here
@@ -1895,6 +1910,7 @@ EXPORT_SYMBOL(pcmcia_parse_events);
 
 struct class pcmcia_socket_class = {
 	.name = "pcmcia_socket",
+        .hotplug = pcmcia_socket_hotplug,
 	.release = pcmcia_release_socket,
 };
 EXPORT_SYMBOL(pcmcia_socket_class);