AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-18 13:49:36 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

[PATCH] ppc64 iSeries: make virtual DVD-RAMs writable again

Browse Source 
It appears that another test has been added in the Uniform CDROM layer that
must be passed before a DVD-RAM is considered writeable.  This patch
implements an emulation of the needed packet command for the viocd driver.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Stephen Rothwell 2005-05-27 12:52:58 -07:00 committed by Linus Torvalds
parent 9ae250d175
commit 9db2925889
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/cdrom/viocd.c
View File

@ -488,6 +488,20 @@ static int viocd_packet(struct cdrom_device_info *cdi,
& (CDC_DVD_RAM | CDC_RAM)) != 0; & (CDC_DVD_RAM | CDC_RAM)) != 0;
} }
break; break;
case GPCMD_GET_CONFIGURATION:
if (cgc->cmd[3] == CDF_RWRT) {
struct rwrt_feature_desc *rfd = (struct rwrt_feature_desc *)(cgc->buffer + sizeof(struct feature_header));
if ((buflen >=
(sizeof(struct feature_header) + sizeof(*rfd))) &&
(cdi->ops->capability & ~cdi->mask
& (CDC_DVD_RAM | CDC_RAM))) {
rfd->feature_code = cpu_to_be16(CDF_RWRT);
rfd->curr = 1;
ret = 0;
}
}
break;
default: default:
if (cgc->sense) { if (cgc->sense) {
/* indicate Unknown code */ /* indicate Unknown code */