fix unusual sysfs behavior for pcmcia_socket

fix unusual sysfs behavior for pcmcia_socket

[Kay Sievers]

[-- Attachment #1: Type: text/plain, Size: 204 bytes --]

All files in /sys/class/pcmcia_socket/pcmcia_socket0/* are unreadable
without a card inserted:

  read(3, 0x9167858, 4096) = -1 ENODEV (No such device)

So we need to skip that step for now.

Thanks,
Kay

[-- Attachment #2: udev-pcmcia.patch --]
[-- Type: text/plain, Size: 665 bytes --]

===== wait_for_sysfs.c 1.16 vs edited =====
--- 1.16/wait_for_sysfs.c	2004-10-14 00:15:21 +02:00
+++ edited/wait_for_sysfs.c	2004-10-14 06:42:43 +02:00
@@ -60,7 +60,7 @@ static int wait_for_class_device_attribu
 		{ .subsystem = "net",		.file = "ifindex" },
 		{ .subsystem = "scsi_host",	.file = "unique_id" },
 		{ .subsystem = "scsi_device",	.file = NULL },
-		{ .subsystem = "pcmcia_socket",	.file = "card_type" },
+		{ .subsystem = "pcmcia_socket",	.file = NULL }, /* all files are unreadable in empty slot :( */
 		{ .subsystem = "usb_host",	.file = NULL },
 		{ .subsystem = "bluetooth",	.file = "address" },
 		{ .subsystem = "i2c-adapter",	.file = NULL },

Re: fix unusual sysfs behavior for pcmcia_socket

[Greg KH]

On Thu, Oct 14, 2004 at 06:55:02AM +0200, Kay Sievers wrote:
> All files in /sys/class/pcmcia_socket/pcmcia_socket0/* are unreadable
> without a card inserted:
> 
>   read(3, 0x9167858, 4096) = -1 ENODEV (No such device)
> 
> So we need to skip that step for now.

Applied, thanks.

greg k-h


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