From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <4E5425B7.6060205@infradead.org> Date: Tue, 23 Aug 2011 15:12:07 -0700 From: Geoff Levand MIME-Version: 1.0 To: Andre Heider Subject: Re: [PATCH part1 v2 8/9] ps3flash: Refuse to work in lpars other than OtherOS References: <1312228986-32307-1-git-send-email-a.heider@gmail.com> <1313091073-4572-1-git-send-email-a.heider@gmail.com> <1313091073-4572-9-git-send-email-a.heider@gmail.com> In-Reply-To: <1313091073-4572-9-git-send-email-a.heider@gmail.com> Content-Type: text/plain; charset="ISO-8859-1" 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: , On 08/11/2011 12:31 PM, Andre Heider wrote: > 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. Please see my comments to the v1 patch regarding this text. > 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); > } >