From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Andre Heider To: Geoff Levand Subject: [PATCH part1 v2 8/9] ps3flash: Refuse to work in lpars other than OtherOS Date: Thu, 11 Aug 2011 21:31:12 +0200 Message-Id: <1313091073-4572-9-git-send-email-a.heider@gmail.com> In-Reply-To: <1313091073-4572-1-git-send-email-a.heider@gmail.com> References: <1312228986-32307-1-git-send-email-a.heider@gmail.com> <1313091073-4572-1-git-send-email-a.heider@gmail.com> Cc: cbe-oss-dev@lists.ozlabs.org, Hector Martin , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The driver implements a character and misc device, meant for the axed OtherOS to exchange various settings with GameOS. Since Firmware 3.21 there is no support anymore to write these settings, so test if we're running in OtherOS, and refuse to load if that is not the case. Signed-off-by: Andre Heider --- arch/powerpc/platforms/ps3/Kconfig | 2 +- drivers/char/ps3flash.c | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index 84df5c8..72fdecd 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -121,7 +121,7 @@ config PS3_FLASH This support is required to access the PS3 FLASH ROM, which contains the boot loader and some boot options. - In general, all users will say Y or M. + In general, all PS3 OtherOS users will say Y or M. As this driver needs a fixed buffer of 256 KiB of memory, it can be disabled on the kernel command line using "ps3flash=off", to diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c index d0c57c2..fc6d867 100644 --- a/drivers/char/ps3flash.c +++ b/drivers/char/ps3flash.c @@ -25,6 +25,7 @@ #include #include +#include #define DEVICE_NAME "ps3flash" @@ -464,6 +465,12 @@ static struct ps3_system_bus_driver ps3flash = { static int __init ps3flash_init(void) { + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ENODEV; + + if (ps3_get_ss_laid() != PS3_SS_LAID_OTHEROS) + return -ENODEV; + return ps3_system_bus_driver_register(&ps3flash); } -- 1.7.5.4