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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 16/07/2020 15:18, Thierry Reding wrote: > From: Thierry Reding > > This function can be used by drivers to determine whether code is > running on silicon or on a simulation platform. > > Signed-off-by: Thierry Reding > --- > drivers/soc/tegra/fuse/tegra-apbmisc.c | 13 +++++++++++++ > include/soc/tegra/fuse.h | 1 + > 2 files changed, 14 insertions(+) > > diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c > index 89f1479b4d0e..be6b7fc169ca 100644 > --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c > +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c > @@ -52,6 +52,19 @@ u8 tegra_get_platform(void) > return (tegra_read_chipid() >> 20) & 0xf; > } > > +bool tegra_is_silicon(void) > +{ > + switch (tegra_get_chip_id()) { > + case TEGRA194: > + if (tegra_get_platform() == 0) > + return true; > + > + return false; > + } > + > + return false; > +} > + Should we do this the other way around and default to is-silicon? For devices prior to Tegra194, this will always return false. Jon -- nvpublic _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel